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vendor: update buildkit to f7bda278b7e2

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2024-07-02 22:15:15 -07:00
parent 4be2259719
commit f374f64d2f
85 changed files with 1105 additions and 1559 deletions
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191
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@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
https://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
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"Legal Entity" shall mean the union of the acting entity and all
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direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
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means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
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designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
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Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
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or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright The containerd Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

2
vendor/github.com/containerd/containerd/images/archive/exporter.go generated vendored
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@ -29,9 +29,9 @@ import (
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/labels"
"github.com/containerd/containerd/platforms"
"github.com/containerd/errdefs"
"github.com/containerd/log"
"github.com/containerd/platforms"
digest "github.com/opencontainers/go-digest"
ocispecs "github.com/opencontainers/image-spec/specs-go"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"

2
vendor/github.com/containerd/containerd/images/archive/importer.go generated vendored
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@ -31,9 +31,9 @@ import (
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/labels"
"github.com/containerd/containerd/platforms"
"github.com/containerd/errdefs"
"github.com/containerd/log"
"github.com/containerd/platforms"
digest "github.com/opencontainers/go-digest"
specs "github.com/opencontainers/image-spec/specs-go"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"

2
vendor/github.com/containerd/containerd/images/archive/reference.go generated vendored
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@ -21,7 +21,7 @@ import (
"strings"
"github.com/containerd/containerd/reference"
distref "github.com/containerd/containerd/reference/docker"
distref "github.com/distribution/reference"
"github.com/opencontainers/go-digest"
)

2
vendor/github.com/containerd/containerd/images/handlers.go generated vendored
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@ -23,8 +23,8 @@ import (
"sort"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/platforms"
"github.com/containerd/errdefs"
"github.com/containerd/platforms"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
"golang.org/x/sync/errgroup"
"golang.org/x/sync/semaphore"

2
vendor/github.com/containerd/containerd/images/image.go generated vendored
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@ -24,9 +24,9 @@ import (
"time"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/platforms"
"github.com/containerd/errdefs"
"github.com/containerd/log"
"github.com/containerd/platforms"
digest "github.com/opencontainers/go-digest"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
)

203
vendor/github.com/containerd/containerd/platforms/compare.go generated vendored
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@ -1,203 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
"strconv"
"strings"
specs "github.com/opencontainers/image-spec/specs-go/v1"
)
// MatchComparer is able to match and compare platforms to
// filter and sort platforms.
type MatchComparer interface {
Matcher
Less(specs.Platform, specs.Platform) bool
}
// platformVector returns an (ordered) vector of appropriate specs.Platform
// objects to try matching for the given platform object (see platforms.Only).
func platformVector(platform specs.Platform) []specs.Platform {
vector := []specs.Platform{platform}
switch platform.Architecture {
case "amd64":
if amd64Version, err := strconv.Atoi(strings.TrimPrefix(platform.Variant, "v")); err == nil && amd64Version > 1 {
for amd64Version--; amd64Version >= 1; amd64Version-- {
vector = append(vector, specs.Platform{
Architecture: platform.Architecture,
OS: platform.OS,
OSVersion: platform.OSVersion,
OSFeatures: platform.OSFeatures,
Variant: "v" + strconv.Itoa(amd64Version),
})
}
}
vector = append(vector, specs.Platform{
Architecture: "386",
OS: platform.OS,
OSVersion: platform.OSVersion,
OSFeatures: platform.OSFeatures,
})
case "arm":
if armVersion, err := strconv.Atoi(strings.TrimPrefix(platform.Variant, "v")); err == nil && armVersion > 5 {
for armVersion--; armVersion >= 5; armVersion-- {
vector = append(vector, specs.Platform{
Architecture: platform.Architecture,
OS: platform.OS,
OSVersion: platform.OSVersion,
OSFeatures: platform.OSFeatures,
Variant: "v" + strconv.Itoa(armVersion),
})
}
}
case "arm64":
variant := platform.Variant
if variant == "" {
variant = "v8"
}
vector = append(vector, platformVector(specs.Platform{
Architecture: "arm",
OS: platform.OS,
OSVersion: platform.OSVersion,
OSFeatures: platform.OSFeatures,
Variant: variant,
})...)
}
return vector
}
// Only returns a match comparer for a single platform
// using default resolution logic for the platform.
//
// For arm/v8, will also match arm/v7, arm/v6 and arm/v5
// For arm/v7, will also match arm/v6 and arm/v5
// For arm/v6, will also match arm/v5
// For amd64, will also match 386
func Only(platform specs.Platform) MatchComparer {
return Ordered(platformVector(Normalize(platform))...)
}
// OnlyStrict returns a match comparer for a single platform.
//
// Unlike Only, OnlyStrict does not match sub platforms.
// So, "arm/vN" will not match "arm/vM" where M < N,
// and "amd64" will not also match "386".
//
// OnlyStrict matches non-canonical forms.
// So, "arm64" matches "arm/64/v8".
func OnlyStrict(platform specs.Platform) MatchComparer {
return Ordered(Normalize(platform))
}
// Ordered returns a platform MatchComparer which matches any of the platforms
// but orders them in order they are provided.
func Ordered(platforms ...specs.Platform) MatchComparer {
matchers := make([]Matcher, len(platforms))
for i := range platforms {
matchers[i] = NewMatcher(platforms[i])
}
return orderedPlatformComparer{
matchers: matchers,
}
}
// Any returns a platform MatchComparer which matches any of the platforms
// with no preference for ordering.
func Any(platforms ...specs.Platform) MatchComparer {
matchers := make([]Matcher, len(platforms))
for i := range platforms {
matchers[i] = NewMatcher(platforms[i])
}
return anyPlatformComparer{
matchers: matchers,
}
}
// All is a platform MatchComparer which matches all platforms
// with preference for ordering.
var All MatchComparer = allPlatformComparer{}
type orderedPlatformComparer struct {
matchers []Matcher
}
func (c orderedPlatformComparer) Match(platform specs.Platform) bool {
for _, m := range c.matchers {
if m.Match(platform) {
return true
}
}
return false
}
func (c orderedPlatformComparer) Less(p1 specs.Platform, p2 specs.Platform) bool {
for _, m := range c.matchers {
p1m := m.Match(p1)
p2m := m.Match(p2)
if p1m && !p2m {
return true
}
if p1m || p2m {
return false
}
}
return false
}
type anyPlatformComparer struct {
matchers []Matcher
}
func (c anyPlatformComparer) Match(platform specs.Platform) bool {
for _, m := range c.matchers {
if m.Match(platform) {
return true
}
}
return false
}
func (c anyPlatformComparer) Less(p1, p2 specs.Platform) bool {
var p1m, p2m bool
for _, m := range c.matchers {
if !p1m && m.Match(p1) {
p1m = true
}
if !p2m && m.Match(p2) {
p2m = true
}
if p1m && p2m {
return false
}
}
// If one matches, and the other does, sort match first
return p1m && !p2m
}
type allPlatformComparer struct{}
func (allPlatformComparer) Match(specs.Platform) bool {
return true
}
func (allPlatformComparer) Less(specs.Platform, specs.Platform) bool {
return false
}

43
vendor/github.com/containerd/containerd/platforms/cpuinfo.go generated vendored
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@ -1,43 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
"runtime"
"sync"
"github.com/containerd/log"
)
// Present the ARM instruction set architecture, eg: v7, v8
// Don't use this value directly; call cpuVariant() instead.
var cpuVariantValue string
var cpuVariantOnce sync.Once
func cpuVariant() string {
cpuVariantOnce.Do(func() {
if isArmArch(runtime.GOARCH) {
var err error
cpuVariantValue, err = getCPUVariant()
if err != nil {
log.L.Errorf("Error getCPUVariant for OS %s: %v", runtime.GOOS, err)
}
}
})
return cpuVariantValue
}

161
vendor/github.com/containerd/containerd/platforms/cpuinfo_linux.go generated vendored
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@ -1,161 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
"bufio"
"bytes"
"fmt"
"os"
"runtime"
"strings"
"github.com/containerd/errdefs"
"golang.org/x/sys/unix"
)
// getMachineArch retrieves the machine architecture through system call
func getMachineArch() (string, error) {
var uname unix.Utsname
err := unix.Uname(&uname)
if err != nil {
return "", err
}
arch := string(uname.Machine[:bytes.IndexByte(uname.Machine[:], 0)])
return arch, nil
}
// For Linux, the kernel has already detected the ABI, ISA and Features.
// So we don't need to access the ARM registers to detect platform information
// by ourselves. We can just parse these information from /proc/cpuinfo
func getCPUInfo(pattern string) (info string, err error) {
cpuinfo, err := os.Open("/proc/cpuinfo")
if err != nil {
return "", err
}
defer cpuinfo.Close()
// Start to Parse the Cpuinfo line by line. For SMP SoC, we parse
// the first core is enough.
scanner := bufio.NewScanner(cpuinfo)
for scanner.Scan() {
newline := scanner.Text()
list := strings.Split(newline, ":")
if len(list) > 1 && strings.EqualFold(strings.TrimSpace(list[0]), pattern) {
return strings.TrimSpace(list[1]), nil
}
}
// Check whether the scanner encountered errors
err = scanner.Err()
if err != nil {
return "", err
}
return "", fmt.Errorf("getCPUInfo for pattern %s: %w", pattern, errdefs.ErrNotFound)
}
// getCPUVariantFromArch get CPU variant from arch through a system call
func getCPUVariantFromArch(arch string) (string, error) {
var variant string
arch = strings.ToLower(arch)
if arch == "aarch64" {
variant = "8"
} else if arch[0:4] == "armv" && len(arch) >= 5 {
//Valid arch format is in form of armvXx
switch arch[3:5] {
case "v8":
variant = "8"
case "v7":
variant = "7"
case "v6":
variant = "6"
case "v5":
variant = "5"
case "v4":
variant = "4"
case "v3":
variant = "3"
default:
variant = "unknown"
}
} else {
return "", fmt.Errorf("getCPUVariantFromArch invalid arch: %s, %w", arch, errdefs.ErrInvalidArgument)
}
return variant, nil
}
// getCPUVariant returns cpu variant for ARM
// We first try reading "Cpu architecture" field from /proc/cpuinfo
// If we can't find it, then fall back using a system call
// This is to cover running ARM in emulated environment on x86 host as this field in /proc/cpuinfo
// was not present.
func getCPUVariant() (string, error) {
variant, err := getCPUInfo("Cpu architecture")
if err != nil {
if errdefs.IsNotFound(err) {
//Let's try getting CPU variant from machine architecture
arch, err := getMachineArch()
if err != nil {
return "", fmt.Errorf("failure getting machine architecture: %v", err)
}
variant, err = getCPUVariantFromArch(arch)
if err != nil {
return "", fmt.Errorf("failure getting CPU variant from machine architecture: %v", err)
}
} else {
return "", fmt.Errorf("failure getting CPU variant: %v", err)
}
}
// handle edge case for Raspberry Pi ARMv6 devices (which due to a kernel quirk, report "CPU architecture: 7")
// https://www.raspberrypi.org/forums/viewtopic.php?t=12614
if runtime.GOARCH == "arm" && variant == "7" {
model, err := getCPUInfo("model name")
if err == nil && strings.HasPrefix(strings.ToLower(model), "armv6-compatible") {
variant = "6"
}
}
switch strings.ToLower(variant) {
case "8", "aarch64":
variant = "v8"
case "7", "7m", "?(12)", "?(13)", "?(14)", "?(15)", "?(16)", "?(17)":
variant = "v7"
case "6", "6tej":
variant = "v6"
case "5", "5t", "5te", "5tej":
variant = "v5"
case "4", "4t":
variant = "v4"
case "3":
variant = "v3"
default:
variant = "unknown"
}
return variant, nil
}

59
vendor/github.com/containerd/containerd/platforms/cpuinfo_other.go generated vendored
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@ -1,59 +0,0 @@
//go:build !linux
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
"fmt"
"runtime"
"github.com/containerd/errdefs"
)
func getCPUVariant() (string, error) {
var variant string
if runtime.GOOS == "windows" || runtime.GOOS == "darwin" {
// Windows/Darwin only supports v7 for ARM32 and v8 for ARM64 and so we can use
// runtime.GOARCH to determine the variants
switch runtime.GOARCH {
case "arm64":
variant = "v8"
case "arm":
variant = "v7"
default:
variant = "unknown"
}
} else if runtime.GOOS == "freebsd" {
// FreeBSD supports ARMv6 and ARMv7 as well as ARMv4 and ARMv5 (though deprecated)
// detecting those variants is currently unimplemented
switch runtime.GOARCH {
case "arm64":
variant = "v8"
default:
variant = "unknown"
}
} else {
return "", fmt.Errorf("getCPUVariant for OS %s: %v", runtime.GOOS, errdefs.ErrNotImplemented)
}
return variant, nil
}

109
vendor/github.com/containerd/containerd/platforms/database.go generated vendored
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@ -1,109 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
"runtime"
"strings"
)
// These function are generated from https://golang.org/src/go/build/syslist.go.
//
// We use switch statements because they are slightly faster than map lookups
// and use a little less memory.
// isKnownOS returns true if we know about the operating system.
//
// The OS value should be normalized before calling this function.
func isKnownOS(os string) bool {
switch os {
case "aix", "android", "darwin", "dragonfly", "freebsd", "hurd", "illumos", "ios", "js", "linux", "nacl", "netbsd", "openbsd", "plan9", "solaris", "windows", "zos":
return true
}
return false
}
// isArmArch returns true if the architecture is ARM.
//
// The arch value should be normalized before being passed to this function.
func isArmArch(arch string) bool {
switch arch {
case "arm", "arm64":
return true
}
return false
}
// isKnownArch returns true if we know about the architecture.
//
// The arch value should be normalized before being passed to this function.
func isKnownArch(arch string) bool {
switch arch {
case "386", "amd64", "amd64p32", "arm", "armbe", "arm64", "arm64be", "ppc64", "ppc64le", "loong64", "mips", "mipsle", "mips64", "mips64le", "mips64p32", "mips64p32le", "ppc", "riscv", "riscv64", "s390", "s390x", "sparc", "sparc64", "wasm":
return true
}
return false
}
func normalizeOS(os string) string {
if os == "" {
return runtime.GOOS
}
os = strings.ToLower(os)
switch os {
case "macos":
os = "darwin"
}
return os
}
// normalizeArch normalizes the architecture.
func normalizeArch(arch, variant string) (string, string) {
arch, variant = strings.ToLower(arch), strings.ToLower(variant)
switch arch {
case "i386":
arch = "386"
variant = ""
case "x86_64", "x86-64", "amd64":
arch = "amd64"
if variant == "v1" {
variant = ""
}
case "aarch64", "arm64":
arch = "arm64"
switch variant {
case "8", "v8":
variant = ""
}
case "armhf":
arch = "arm"
variant = "v7"
case "armel":
arch = "arm"
variant = "v6"
case "arm":
switch variant {
case "", "7":
variant = "v7"
case "5", "6", "8":
variant = "v" + variant
}
}
return arch, variant
}

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vendor/github.com/containerd/containerd/platforms/defaults.go generated vendored
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@ -1,27 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
// DefaultString returns the default string specifier for the platform.
func DefaultString() string {
return Format(DefaultSpec())
}
// DefaultStrict returns strict form of Default.
func DefaultStrict() MatchComparer {
return OnlyStrict(DefaultSpec())
}

44
vendor/github.com/containerd/containerd/platforms/defaults_darwin.go generated vendored
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@ -1,44 +0,0 @@
//go:build darwin
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
"runtime"
specs "github.com/opencontainers/image-spec/specs-go/v1"
)
// DefaultSpec returns the current platform's default platform specification.
func DefaultSpec() specs.Platform {
return specs.Platform{
OS: runtime.GOOS,
Architecture: runtime.GOARCH,
// The Variant field will be empty if arch != ARM.
Variant: cpuVariant(),
}
}
// Default returns the default matcher for the platform.
func Default() MatchComparer {
return Ordered(DefaultSpec(), specs.Platform{
// darwin runtime also supports Linux binary via runu/LKL
OS: "linux",
Architecture: runtime.GOARCH,
})
}

43
vendor/github.com/containerd/containerd/platforms/defaults_freebsd.go generated vendored
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@ -1,43 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
"runtime"
specs "github.com/opencontainers/image-spec/specs-go/v1"
)
// DefaultSpec returns the current platform's default platform specification.
func DefaultSpec() specs.Platform {
return specs.Platform{
OS: runtime.GOOS,
Architecture: runtime.GOARCH,
// The Variant field will be empty if arch != ARM.
Variant: cpuVariant(),
}
}
// Default returns the default matcher for the platform.
func Default() MatchComparer {
return Ordered(DefaultSpec(), specs.Platform{
OS: "linux",
Architecture: runtime.GOARCH,
// The Variant field will be empty if arch != ARM.
Variant: cpuVariant(),
})
}

40
vendor/github.com/containerd/containerd/platforms/defaults_unix.go generated vendored
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@ -1,40 +0,0 @@
//go:build !windows && !darwin && !freebsd
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
"runtime"
specs "github.com/opencontainers/image-spec/specs-go/v1"
)
// DefaultSpec returns the current platform's default platform specification.
func DefaultSpec() specs.Platform {
return specs.Platform{
OS: runtime.GOOS,
Architecture: runtime.GOARCH,
// The Variant field will be empty if arch != ARM.
Variant: cpuVariant(),
}
}
// Default returns the default matcher for the platform.
func Default() MatchComparer {
return Only(DefaultSpec())
}

119
vendor/github.com/containerd/containerd/platforms/defaults_windows.go generated vendored
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@ -1,119 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
"fmt"
"runtime"
"strconv"
"strings"
"github.com/Microsoft/hcsshim/osversion"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"golang.org/x/sys/windows"
)
// DefaultSpec returns the current platform's default platform specification.
func DefaultSpec() specs.Platform {
major, minor, build := windows.RtlGetNtVersionNumbers()
return specs.Platform{
OS: runtime.GOOS,
Architecture: runtime.GOARCH,
OSVersion: fmt.Sprintf("%d.%d.%d", major, minor, build),
// The Variant field will be empty if arch != ARM.
Variant: cpuVariant(),
}
}
type windowsmatcher struct {
specs.Platform
osVersionPrefix string
defaultMatcher Matcher
}
// Match matches platform with the same windows major, minor
// and build version.
func (m windowsmatcher) Match(p specs.Platform) bool {
match := m.defaultMatcher.Match(p)
if match && m.OS == "windows" {
// HPC containers do not have OS version filled
if p.OSVersion == "" {
return true
}
hostOsVersion := GetOsVersion(m.osVersionPrefix)
ctrOsVersion := GetOsVersion(p.OSVersion)
return osversion.CheckHostAndContainerCompat(hostOsVersion, ctrOsVersion)
}
return match
}
func GetOsVersion(osVersionPrefix string) osversion.OSVersion {
parts := strings.Split(osVersionPrefix, ".")
if len(parts) < 3 {
return osversion.OSVersion{}
}
majorVersion, _ := strconv.Atoi(parts[0])
minorVersion, _ := strconv.Atoi(parts[1])
buildNumber, _ := strconv.Atoi(parts[2])
return osversion.OSVersion{
MajorVersion: uint8(majorVersion),
MinorVersion: uint8(minorVersion),
Build: uint16(buildNumber),
}
}
// Less sorts matched platforms in front of other platforms.
// For matched platforms, it puts platforms with larger revision
// number in front.
func (m windowsmatcher) Less(p1, p2 specs.Platform) bool {
m1, m2 := m.Match(p1), m.Match(p2)
if m1 && m2 {
r1, r2 := revision(p1.OSVersion), revision(p2.OSVersion)
return r1 > r2
}
return m1 && !m2
}
func revision(v string) int {
parts := strings.Split(v, ".")
if len(parts) < 4 {
return 0
}
r, err := strconv.Atoi(parts[3])
if err != nil {
return 0
}
return r
}
func prefix(v string) string {
parts := strings.Split(v, ".")
if len(parts) < 4 {
return v
}
return strings.Join(parts[0:3], ".")
}
// Default returns the current platform's default platform specification.
func Default() MatchComparer {
return Only(DefaultSpec())
}

276
vendor/github.com/containerd/containerd/platforms/platforms.go generated vendored
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@ -1,276 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package platforms provides a toolkit for normalizing, matching and
// specifying container platforms.
//
// Centered around OCI platform specifications, we define a string-based
// specifier syntax that can be used for user input. With a specifier, users
// only need to specify the parts of the platform that are relevant to their
// context, providing an operating system or architecture or both.
//
// How do I use this package?
//
// The vast majority of use cases should simply use the match function with
// user input. The first step is to parse a specifier into a matcher:
//
// m, err := Parse("linux")
// if err != nil { ... }
//
// Once you have a matcher, use it to match against the platform declared by a
// component, typically from an image or runtime. Since extracting an images
// platform is a little more involved, we'll use an example against the
// platform default:
//
// if ok := m.Match(Default()); !ok { /* doesn't match */ }
//
// This can be composed in loops for resolving runtimes or used as a filter for
// fetch and select images.
//
// More details of the specifier syntax and platform spec follow.
//
// # Declaring Platform Support
//
// Components that have strict platform requirements should use the OCI
// platform specification to declare their support. Typically, this will be
// images and runtimes that should make these declaring which platform they
// support specifically. This looks roughly as follows:
//
// type Platform struct {
// Architecture string
// OS string
// Variant string
// }
//
// Most images and runtimes should at least set Architecture and OS, according
// to their GOARCH and GOOS values, respectively (follow the OCI image
// specification when in doubt). ARM should set variant under certain
// discussions, which are outlined below.
//
// # Platform Specifiers
//
// While the OCI platform specifications provide a tool for components to
// specify structured information, user input typically doesn't need the full
// context and much can be inferred. To solve this problem, we introduced
// "specifiers". A specifier has the format
// `<os>|<arch>|<os>/<arch>[/<variant>]`. The user can provide either the
// operating system or the architecture or both.
//
// An example of a common specifier is `linux/amd64`. If the host has a default
// of runtime that matches this, the user can simply provide the component that
// matters. For example, if a image provides amd64 and arm64 support, the
// operating system, `linux` can be inferred, so they only have to provide
// `arm64` or `amd64`. Similar behavior is implemented for operating systems,
// where the architecture may be known but a runtime may support images from
// different operating systems.
//
// # Normalization
//
// Because not all users are familiar with the way the Go runtime represents
// platforms, several normalizations have been provided to make this package
// easier to user.
//
// The following are performed for architectures:
//
// Value Normalized
// aarch64 arm64
// armhf arm
// armel arm/v6
// i386 386
// x86_64 amd64
// x86-64 amd64
//
// We also normalize the operating system `macos` to `darwin`.
//
// # ARM Support
//
// To qualify ARM architecture, the Variant field is used to qualify the arm
// version. The most common arm version, v7, is represented without the variant
// unless it is explicitly provided. This is treated as equivalent to armhf. A
// previous architecture, armel, will be normalized to arm/v6.
//
// While these normalizations are provided, their support on arm platforms has
// not yet been fully implemented and tested.
package platforms
import (
"fmt"
"path"
"regexp"
"runtime"
"strconv"
"strings"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/containerd/errdefs"
)
var (
specifierRe = regexp.MustCompile(`^[A-Za-z0-9_-]+$`)
)
// Platform is a type alias for convenience, so there is no need to import image-spec package everywhere.
type Platform = specs.Platform
// Matcher matches platforms specifications, provided by an image or runtime.
type Matcher interface {
Match(platform specs.Platform) bool
}
// NewMatcher returns a simple matcher based on the provided platform
// specification. The returned matcher only looks for equality based on os,
// architecture and variant.
//
// One may implement their own matcher if this doesn't provide the required
// functionality.
//
// Applications should opt to use `Match` over directly parsing specifiers.
func NewMatcher(platform specs.Platform) Matcher {
return newDefaultMatcher(platform)
}
type matcher struct {
specs.Platform
}
func (m *matcher) Match(platform specs.Platform) bool {
normalized := Normalize(platform)
return m.OS == normalized.OS &&
m.Architecture == normalized.Architecture &&
m.Variant == normalized.Variant
}
func (m *matcher) String() string {
return Format(m.Platform)
}
// Parse parses the platform specifier syntax into a platform declaration.
//
// Platform specifiers are in the format `<os>|<arch>|<os>/<arch>[/<variant>]`.
// The minimum required information for a platform specifier is the operating
// system or architecture. If there is only a single string (no slashes), the
// value will be matched against the known set of operating systems, then fall
// back to the known set of architectures. The missing component will be
// inferred based on the local environment.
func Parse(specifier string) (specs.Platform, error) {
if strings.Contains(specifier, "*") {
// TODO(stevvooe): need to work out exact wildcard handling
return specs.Platform{}, fmt.Errorf("%q: wildcards not yet supported: %w", specifier, errdefs.ErrInvalidArgument)
}
parts := strings.Split(specifier, "/")
for _, part := range parts {
if !specifierRe.MatchString(part) {
return specs.Platform{}, fmt.Errorf("%q is an invalid component of %q: platform specifier component must match %q: %w", part, specifier, specifierRe.String(), errdefs.ErrInvalidArgument)
}
}
var p specs.Platform
switch len(parts) {
case 1:
// in this case, we will test that the value might be an OS, then look
// it up. If it is not known, we'll treat it as an architecture. Since
// we have very little information about the platform here, we are
// going to be a little more strict if we don't know about the argument
// value.
p.OS = normalizeOS(parts[0])
if isKnownOS(p.OS) {
// picks a default architecture
p.Architecture = runtime.GOARCH
if p.Architecture == "arm" && cpuVariant() != "v7" {
p.Variant = cpuVariant()
}
if p.OS == "windows" {
p.OSVersion = GetWindowsOsVersion()
}
return p, nil
}
p.Architecture, p.Variant = normalizeArch(parts[0], "")
if p.Architecture == "arm" && p.Variant == "v7" {
p.Variant = ""
}
if isKnownArch(p.Architecture) {
p.OS = runtime.GOOS
return p, nil
}
return specs.Platform{}, fmt.Errorf("%q: unknown operating system or architecture: %w", specifier, errdefs.ErrInvalidArgument)
case 2:
// In this case, we treat as a regular os/arch pair. We don't care
// about whether or not we know of the platform.
p.OS = normalizeOS(parts[0])
p.Architecture, p.Variant = normalizeArch(parts[1], "")
if p.Architecture == "arm" && p.Variant == "v7" {
p.Variant = ""
}
if p.OS == "windows" {
p.OSVersion = GetWindowsOsVersion()
}
return p, nil
case 3:
// we have a fully specified variant, this is rare
p.OS = normalizeOS(parts[0])
p.Architecture, p.Variant = normalizeArch(parts[1], parts[2])
if p.Architecture == "arm64" && p.Variant == "" {
p.Variant = "v8"
}
if p.OS == "windows" {
p.OSVersion = GetWindowsOsVersion()
}
return p, nil
}
return specs.Platform{}, fmt.Errorf("%q: cannot parse platform specifier: %w", specifier, errdefs.ErrInvalidArgument)
}
// MustParse is like Parses but panics if the specifier cannot be parsed.
// Simplifies initialization of global variables.
func MustParse(specifier string) specs.Platform {
p, err := Parse(specifier)
if err != nil {
panic("platform: Parse(" + strconv.Quote(specifier) + "): " + err.Error())
}
return p
}
// Format returns a string specifier from the provided platform specification.
func Format(platform specs.Platform) string {
if platform.OS == "" {
return "unknown"
}
return path.Join(platform.OS, platform.Architecture, platform.Variant)
}
// Normalize validates and translate the platform to the canonical value.
//
// For example, if "Aarch64" is encountered, we change it to "arm64" or if
// "x86_64" is encountered, it becomes "amd64".
func Normalize(platform specs.Platform) specs.Platform {
platform.OS = normalizeOS(platform.OS)
platform.Architecture, platform.Variant = normalizeArch(platform.Architecture, platform.Variant)
return platform
}

34
vendor/github.com/containerd/containerd/platforms/platforms_other.go generated vendored
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@ -1,34 +0,0 @@
//go:build !windows
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
specs "github.com/opencontainers/image-spec/specs-go/v1"
)
// NewMatcher returns the default Matcher for containerd
func newDefaultMatcher(platform specs.Platform) Matcher {
return &matcher{
Platform: Normalize(platform),
}
}
func GetWindowsOsVersion() string {
return ""
}

42
vendor/github.com/containerd/containerd/platforms/platforms_windows.go generated vendored
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@ -1,42 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package platforms
import (
"fmt"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"golang.org/x/sys/windows"
)
// NewMatcher returns a Windows matcher that will match on osVersionPrefix if
// the platform is Windows otherwise use the default matcher
func newDefaultMatcher(platform specs.Platform) Matcher {
prefix := prefix(platform.OSVersion)
return windowsmatcher{
Platform: platform,
osVersionPrefix: prefix,
defaultMatcher: &matcher{
Platform: Normalize(platform),
},
}
}
func GetWindowsOsVersion() string {
major, minor, build := windows.RtlGetNtVersionNumbers()
return fmt.Sprintf("%d.%d.%d", major, minor, build)
}

58
vendor/github.com/containerd/containerd/reference/docker/helpers.go generated vendored
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@ -1,58 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package docker
import "path"
// IsNameOnly returns true if reference only contains a repo name.
func IsNameOnly(ref Named) bool {
if _, ok := ref.(NamedTagged); ok {
return false
}
if _, ok := ref.(Canonical); ok {
return false
}
return true
}
// FamiliarName returns the familiar name string
// for the given named, familiarizing if needed.
func FamiliarName(ref Named) string {
if nn, ok := ref.(normalizedNamed); ok {
return nn.Familiar().Name()
}
return ref.Name()
}
// FamiliarString returns the familiar string representation
// for the given reference, familiarizing if needed.
func FamiliarString(ref Reference) string {
if nn, ok := ref.(normalizedNamed); ok {
return nn.Familiar().String()
}
return ref.String()
}
// FamiliarMatch reports whether ref matches the specified pattern.
// See https://godoc.org/path#Match for supported patterns.
func FamiliarMatch(pattern string, ref Reference) (bool, error) {
matched, err := path.Match(pattern, FamiliarString(ref))
if namedRef, isNamed := ref.(Named); isNamed && !matched {
matched, _ = path.Match(pattern, FamiliarName(namedRef))
}
return matched, err
}

196
vendor/github.com/containerd/containerd/reference/docker/normalize.go generated vendored
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@ -1,196 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package docker
import (
"fmt"
"strings"
"github.com/opencontainers/go-digest"
)
var (
legacyDefaultDomain = "index.docker.io"
defaultDomain = "docker.io"
officialRepoName = "library"
defaultTag = "latest"
)
// normalizedNamed represents a name which has been
// normalized and has a familiar form. A familiar name
// is what is used in Docker UI. An example normalized
// name is "docker.io/library/ubuntu" and corresponding
// familiar name of "ubuntu".
type normalizedNamed interface {
Named
Familiar() Named
}
// ParseNormalizedNamed parses a string into a named reference
// transforming a familiar name from Docker UI to a fully
// qualified reference. If the value may be an identifier
// use ParseAnyReference.
func ParseNormalizedNamed(s string) (Named, error) {
if ok := anchoredIdentifierRegexp.MatchString(s); ok {
return nil, fmt.Errorf("invalid repository name (%s), cannot specify 64-byte hexadecimal strings", s)
}
domain, remainder := splitDockerDomain(s)
var remoteName string
if tagSep := strings.IndexRune(remainder, ':'); tagSep > -1 {
remoteName = remainder[:tagSep]
} else {
remoteName = remainder
}
if strings.ToLower(remoteName) != remoteName {
return nil, fmt.Errorf("invalid reference format: repository name (%s) must be lowercase", remoteName)
}
ref, err := Parse(domain + "/" + remainder)
if err != nil {
return nil, err
}
named, isNamed := ref.(Named)
if !isNamed {
return nil, fmt.Errorf("reference %s has no name", ref.String())
}
return named, nil
}
// ParseDockerRef normalizes the image reference following the docker convention. This is added
// mainly for backward compatibility.
// The reference returned can only be either tagged or digested. For reference contains both tag
// and digest, the function returns digested reference, e.g. docker.io/library/busybox:latest@
// sha256:7cc4b5aefd1d0cadf8d97d4350462ba51c694ebca145b08d7d41b41acc8db5aa will be returned as
// docker.io/library/busybox@sha256:7cc4b5aefd1d0cadf8d97d4350462ba51c694ebca145b08d7d41b41acc8db5aa.
func ParseDockerRef(ref string) (Named, error) {
named, err := ParseNormalizedNamed(ref)
if err != nil {
return nil, err
}
if _, ok := named.(NamedTagged); ok {
if canonical, ok := named.(Canonical); ok {
// The reference is both tagged and digested, only
// return digested.
newNamed, err := WithName(canonical.Name())
if err != nil {
return nil, err
}
newCanonical, err := WithDigest(newNamed, canonical.Digest())
if err != nil {
return nil, err
}
return newCanonical, nil
}
}
return TagNameOnly(named), nil
}
// splitDockerDomain splits a repository name to domain and remotename string.
// If no valid domain is found, the default domain is used. Repository name
// needs to be already validated before.
func splitDockerDomain(name string) (domain, remainder string) {
i := strings.IndexRune(name, '/')
if i == -1 || (!strings.ContainsAny(name[:i], ".:") && name[:i] != "localhost" && strings.ToLower(name[:i]) == name[:i]) {
domain, remainder = defaultDomain, name
} else {
domain, remainder = name[:i], name[i+1:]
}
if domain == legacyDefaultDomain {
domain = defaultDomain
}
if domain == defaultDomain && !strings.ContainsRune(remainder, '/') {
remainder = officialRepoName + "/" + remainder
}
return
}
// familiarizeName returns a shortened version of the name familiar
// to the Docker UI. Familiar names have the default domain
// "docker.io" and "library/" repository prefix removed.
// For example, "docker.io/library/redis" will have the familiar
// name "redis" and "docker.io/dmcgowan/myapp" will be "dmcgowan/myapp".
// Returns a familiarized named only reference.
func familiarizeName(named namedRepository) repository {
repo := repository{
domain: named.Domain(),
path: named.Path(),
}
if repo.domain == defaultDomain {
repo.domain = ""
// Handle official repositories which have the pattern "library/<official repo name>"
if split := strings.Split(repo.path, "/"); len(split) == 2 && split[0] == officialRepoName {
repo.path = split[1]
}
}
return repo
}
func (r reference) Familiar() Named {
return reference{
namedRepository: familiarizeName(r.namedRepository),
tag: r.tag,
digest: r.digest,
}
}
func (r repository) Familiar() Named {
return familiarizeName(r)
}
func (t taggedReference) Familiar() Named {
return taggedReference{
namedRepository: familiarizeName(t.namedRepository),
tag: t.tag,
}
}
func (c canonicalReference) Familiar() Named {
return canonicalReference{
namedRepository: familiarizeName(c.namedRepository),
digest: c.digest,
}
}
// TagNameOnly adds the default tag "latest" to a reference if it only has
// a repo name.
func TagNameOnly(ref Named) Named {
if IsNameOnly(ref) {
namedTagged, err := WithTag(ref, defaultTag)
if err != nil {
// Default tag must be valid, to create a NamedTagged
// type with non-validated input the WithTag function
// should be used instead
panic(err)
}
return namedTagged
}
return ref
}
// ParseAnyReference parses a reference string as a possible identifier,
// full digest, or familiar name.
func ParseAnyReference(ref string) (Reference, error) {
if ok := anchoredIdentifierRegexp.MatchString(ref); ok {
return digestReference("sha256:" + ref), nil
}
if dgst, err := digest.Parse(ref); err == nil {
return digestReference(dgst), nil
}
return ParseNormalizedNamed(ref)
}

453
vendor/github.com/containerd/containerd/reference/docker/reference.go generated vendored
View File

@ -1,453 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package docker provides a general type to represent any way of referencing images within the registry.
// Its main purpose is to abstract tags and digests (content-addressable hash).
//
// Grammar
//
// reference := name [ ":" tag ] [ "@" digest ]
// name := [domain '/'] path-component ['/' path-component]*
// domain := host [':' port-number]
// host := domain-name | IPv4address | \[ IPv6address \] ; rfc3986 appendix-A
// domain-name := domain-component ['.' domain-component]*
// domain-component := /([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])/
// port-number := /[0-9]+/
// path-component := alpha-numeric [separator alpha-numeric]*
// alpha-numeric := /[a-z0-9]+/
// separator := /[_.]|__|[-]*/
//
// tag := /[\w][\w.-]{0,127}/
//
// digest := digest-algorithm ":" digest-hex
// digest-algorithm := digest-algorithm-component [ digest-algorithm-separator digest-algorithm-component ]*
// digest-algorithm-separator := /[+.-_]/
// digest-algorithm-component := /[A-Za-z][A-Za-z0-9]*/
// digest-hex := /[0-9a-fA-F]{32,}/ ; At least 128 bit digest value
//
// identifier := /[a-f0-9]{64}/
// short-identifier := /[a-f0-9]{6,64}/
package docker
import (
"errors"
"fmt"
"strings"
"github.com/opencontainers/go-digest"
)
const (
// NameTotalLengthMax is the maximum total number of characters in a repository name.
NameTotalLengthMax = 255
)
var (
// ErrReferenceInvalidFormat represents an error while trying to parse a string as a reference.
ErrReferenceInvalidFormat = errors.New("invalid reference format")
// ErrTagInvalidFormat represents an error while trying to parse a string as a tag.
ErrTagInvalidFormat = errors.New("invalid tag format")
// ErrDigestInvalidFormat represents an error while trying to parse a string as a tag.
ErrDigestInvalidFormat = errors.New("invalid digest format")
// ErrNameContainsUppercase is returned for invalid repository names that contain uppercase characters.
ErrNameContainsUppercase = errors.New("repository name must be lowercase")
// ErrNameEmpty is returned for empty, invalid repository names.
ErrNameEmpty = errors.New("repository name must have at least one component")
// ErrNameTooLong is returned when a repository name is longer than NameTotalLengthMax.
ErrNameTooLong = fmt.Errorf("repository name must not be more than %v characters", NameTotalLengthMax)
// ErrNameNotCanonical is returned when a name is not canonical.
ErrNameNotCanonical = errors.New("repository name must be canonical")
)
// Reference is an opaque object reference identifier that may include
// modifiers such as a hostname, name, tag, and digest.
type Reference interface {
// String returns the full reference
String() string
}
// Field provides a wrapper type for resolving correct reference types when
// working with encoding.
type Field struct {
reference Reference
}
// AsField wraps a reference in a Field for encoding.
func AsField(reference Reference) Field {
return Field{reference}
}
// Reference unwraps the reference type from the field to
// return the Reference object. This object should be
// of the appropriate type to further check for different
// reference types.
func (f Field) Reference() Reference {
return f.reference
}
// MarshalText serializes the field to byte text which
// is the string of the reference.
func (f Field) MarshalText() (p []byte, err error) {
return []byte(f.reference.String()), nil
}
// UnmarshalText parses text bytes by invoking the
// reference parser to ensure the appropriately
// typed reference object is wrapped by field.
func (f *Field) UnmarshalText(p []byte) error {
r, err := Parse(string(p))
if err != nil {
return err
}
f.reference = r
return nil
}
// Named is an object with a full name
type Named interface {
Reference
Name() string
}
// Tagged is an object which has a tag
type Tagged interface {
Reference
Tag() string
}
// NamedTagged is an object including a name and tag.
type NamedTagged interface {
Named
Tag() string
}
// Digested is an object which has a digest
// in which it can be referenced by
type Digested interface {
Reference
Digest() digest.Digest
}
// Canonical reference is an object with a fully unique
// name including a name with domain and digest
type Canonical interface {
Named
Digest() digest.Digest
}
// namedRepository is a reference to a repository with a name.
// A namedRepository has both domain and path components.
type namedRepository interface {
Named
Domain() string
Path() string
}
// Domain returns the domain part of the Named reference
func Domain(named Named) string {
if r, ok := named.(namedRepository); ok {
return r.Domain()
}
domain, _ := splitDomain(named.Name())
return domain
}
// Path returns the name without the domain part of the Named reference
func Path(named Named) (name string) {
if r, ok := named.(namedRepository); ok {
return r.Path()
}
_, path := splitDomain(named.Name())
return path
}
func splitDomain(name string) (string, string) {
match := anchoredNameRegexp.FindStringSubmatch(name)
if len(match) != 3 {
return "", name
}
return match[1], match[2]
}
// SplitHostname splits a named reference into a
// hostname and name string. If no valid hostname is
// found, the hostname is empty and the full value
// is returned as name
// DEPRECATED: Use Domain or Path
func SplitHostname(named Named) (string, string) {
if r, ok := named.(namedRepository); ok {
return r.Domain(), r.Path()
}
return splitDomain(named.Name())
}
// Parse parses s and returns a syntactically valid Reference.
// If an error was encountered it is returned, along with a nil Reference.
// NOTE: Parse will not handle short digests.
func Parse(s string) (Reference, error) {
matches := ReferenceRegexp.FindStringSubmatch(s)
if matches == nil {
if s == "" {
return nil, ErrNameEmpty
}
if ReferenceRegexp.FindStringSubmatch(strings.ToLower(s)) != nil {
return nil, ErrNameContainsUppercase
}
return nil, ErrReferenceInvalidFormat
}
if len(matches[1]) > NameTotalLengthMax {
return nil, ErrNameTooLong
}
var repo repository
nameMatch := anchoredNameRegexp.FindStringSubmatch(matches[1])
if len(nameMatch) == 3 {
repo.domain = nameMatch[1]
repo.path = nameMatch[2]
} else {
repo.domain = ""
repo.path = matches[1]
}
ref := reference{
namedRepository: repo,
tag: matches[2],
}
if matches[3] != "" {
var err error
ref.digest, err = digest.Parse(matches[3])
if err != nil {
return nil, err
}
}
r := getBestReferenceType(ref)
if r == nil {
return nil, ErrNameEmpty
}
return r, nil
}
// ParseNamed parses s and returns a syntactically valid reference implementing
// the Named interface. The reference must have a name and be in the canonical
// form, otherwise an error is returned.
// If an error was encountered it is returned, along with a nil Reference.
// NOTE: ParseNamed will not handle short digests.
func ParseNamed(s string) (Named, error) {
named, err := ParseNormalizedNamed(s)
if err != nil {
return nil, err
}
if named.String() != s {
return nil, ErrNameNotCanonical
}
return named, nil
}
// WithName returns a named object representing the given string. If the input
// is invalid ErrReferenceInvalidFormat will be returned.
func WithName(name string) (Named, error) {
if len(name) > NameTotalLengthMax {
return nil, ErrNameTooLong
}
match := anchoredNameRegexp.FindStringSubmatch(name)
if match == nil || len(match) != 3 {
return nil, ErrReferenceInvalidFormat
}
return repository{
domain: match[1],
path: match[2],
}, nil
}
// WithTag combines the name from "name" and the tag from "tag" to form a
// reference incorporating both the name and the tag.
func WithTag(name Named, tag string) (NamedTagged, error) {
if !anchoredTagRegexp.MatchString(tag) {
return nil, ErrTagInvalidFormat
}
var repo repository
if r, ok := name.(namedRepository); ok {
repo.domain = r.Domain()
repo.path = r.Path()
} else {
repo.path = name.Name()
}
if canonical, ok := name.(Canonical); ok {
return reference{
namedRepository: repo,
tag: tag,
digest: canonical.Digest(),
}, nil
}
return taggedReference{
namedRepository: repo,
tag: tag,
}, nil
}
// WithDigest combines the name from "name" and the digest from "digest" to form
// a reference incorporating both the name and the digest.
func WithDigest(name Named, digest digest.Digest) (Canonical, error) {
if !anchoredDigestRegexp.MatchString(digest.String()) {
return nil, ErrDigestInvalidFormat
}
var repo repository
if r, ok := name.(namedRepository); ok {
repo.domain = r.Domain()
repo.path = r.Path()
} else {
repo.path = name.Name()
}
if tagged, ok := name.(Tagged); ok {
return reference{
namedRepository: repo,
tag: tagged.Tag(),
digest: digest,
}, nil
}
return canonicalReference{
namedRepository: repo,
digest: digest,
}, nil
}
// TrimNamed removes any tag or digest from the named reference.
func TrimNamed(ref Named) Named {
repo := repository{}
if r, ok := ref.(namedRepository); ok {
repo.domain, repo.path = r.Domain(), r.Path()
} else {
repo.domain, repo.path = splitDomain(ref.Name())
}
return repo
}
func getBestReferenceType(ref reference) Reference {
if ref.Name() == "" {
// Allow digest only references
if ref.digest != "" {
return digestReference(ref.digest)
}
return nil
}
if ref.tag == "" {
if ref.digest != "" {
return canonicalReference{
namedRepository: ref.namedRepository,
digest: ref.digest,
}
}
return ref.namedRepository
}
if ref.digest == "" {
return taggedReference{
namedRepository: ref.namedRepository,
tag: ref.tag,
}
}
return ref
}
type reference struct {
namedRepository
tag string
digest digest.Digest
}
func (r reference) String() string {
return r.Name() + ":" + r.tag + "@" + r.digest.String()
}
func (r reference) Tag() string {
return r.tag
}
func (r reference) Digest() digest.Digest {
return r.digest
}
type repository struct {
domain string
path string
}
func (r repository) String() string {
return r.Name()
}
func (r repository) Name() string {
if r.domain == "" {
return r.path
}
return r.domain + "/" + r.path
}
func (r repository) Domain() string {
return r.domain
}
func (r repository) Path() string {
return r.path
}
type digestReference digest.Digest
func (d digestReference) String() string {
return digest.Digest(d).String()
}
func (d digestReference) Digest() digest.Digest {
return digest.Digest(d)
}
type taggedReference struct {
namedRepository
tag string
}
func (t taggedReference) String() string {
return t.Name() + ":" + t.tag
}
func (t taggedReference) Tag() string {
return t.tag
}
type canonicalReference struct {
namedRepository
digest digest.Digest
}
func (c canonicalReference) String() string {
return c.Name() + "@" + c.digest.String()
}
func (c canonicalReference) Digest() digest.Digest {
return c.digest
}

191
vendor/github.com/containerd/containerd/reference/docker/regexp.go generated vendored
View File

@ -1,191 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package docker
import "regexp"
var (
// alphaNumeric defines the alpha numeric atom, typically a
// component of names. This only allows lower case characters and digits.
alphaNumeric = `[a-z0-9]+`
// separator defines the separators allowed to be embedded in name
// components. This allow one period, one or two underscore and multiple
// dashes. Repeated dashes and underscores are intentionally treated
// differently. In order to support valid hostnames as name components,
// supporting repeated dash was added. Additionally double underscore is
// now allowed as a separator to loosen the restriction for previously
// supported names.
separator = `(?:[._]|__|[-]*)`
// nameComponent restricts registry path component names to start
// with at least one letter or number, with following parts able to be
// separated by one period, one or two underscore and multiple dashes.
nameComponent = expression(
alphaNumeric,
optional(repeated(separator, alphaNumeric)))
// domainNameComponent restricts the registry domain component of a
// repository name to start with a component as defined by DomainRegexp.
domainNameComponent = `(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])`
// ipv6address are enclosed between square brackets and may be represented
// in many ways, see rfc5952. Only IPv6 in compressed or uncompressed format
// are allowed, IPv6 zone identifiers (rfc6874) or Special addresses such as
// IPv4-Mapped are deliberately excluded.
ipv6address = expression(
literal(`[`), `(?:[a-fA-F0-9:]+)`, literal(`]`),
)
// domainName defines the structure of potential domain components
// that may be part of image names. This is purposely a subset of what is
// allowed by DNS to ensure backwards compatibility with Docker image
// names. This includes IPv4 addresses on decimal format.
domainName = expression(
domainNameComponent,
optional(repeated(literal(`.`), domainNameComponent)),
)
// host defines the structure of potential domains based on the URI
// Host subcomponent on rfc3986. It may be a subset of DNS domain name,
// or an IPv4 address in decimal format, or an IPv6 address between square
// brackets (excluding zone identifiers as defined by rfc6874 or special
// addresses such as IPv4-Mapped).
host = `(?:` + domainName + `|` + ipv6address + `)`
// allowed by the URI Host subcomponent on rfc3986 to ensure backwards
// compatibility with Docker image names.
domain = expression(
host,
optional(literal(`:`), `[0-9]+`))
// DomainRegexp defines the structure of potential domain components
// that may be part of image names. This is purposely a subset of what is
// allowed by DNS to ensure backwards compatibility with Docker image
// names.
DomainRegexp = regexp.MustCompile(domain)
tag = `[\w][\w.-]{0,127}`
// TagRegexp matches valid tag names. From docker/docker:graph/tags.go.
TagRegexp = regexp.MustCompile(tag)
anchoredTag = anchored(tag)
// anchoredTagRegexp matches valid tag names, anchored at the start and
// end of the matched string.
anchoredTagRegexp = regexp.MustCompile(anchoredTag)
digestPat = `[A-Za-z][A-Za-z0-9]*(?:[-_+.][A-Za-z][A-Za-z0-9]*)*[:][[:xdigit:]]{32,}`
// DigestRegexp matches valid digests.
DigestRegexp = regexp.MustCompile(digestPat)
anchoredDigest = anchored(digestPat)
// anchoredDigestRegexp matches valid digests, anchored at the start and
// end of the matched string.
anchoredDigestRegexp = regexp.MustCompile(anchoredDigest)
namePat = expression(
optional(domain, literal(`/`)),
nameComponent,
optional(repeated(literal(`/`), nameComponent)))
// NameRegexp is the format for the name component of references. The
// regexp has capturing groups for the domain and name part omitting
// the separating forward slash from either.
NameRegexp = regexp.MustCompile(namePat)
anchoredName = anchored(
optional(capture(domain), literal(`/`)),
capture(nameComponent,
optional(repeated(literal(`/`), nameComponent))))
// anchoredNameRegexp is used to parse a name value, capturing the
// domain and trailing components.
anchoredNameRegexp = regexp.MustCompile(anchoredName)
referencePat = anchored(capture(namePat),
optional(literal(":"), capture(tag)),
optional(literal("@"), capture(digestPat)))
// ReferenceRegexp is the full supported format of a reference. The regexp
// is anchored and has capturing groups for name, tag, and digest
// components.
ReferenceRegexp = regexp.MustCompile(referencePat)
identifier = `([a-f0-9]{64})`
// IdentifierRegexp is the format for string identifier used as a
// content addressable identifier using sha256. These identifiers
// are like digests without the algorithm, since sha256 is used.
IdentifierRegexp = regexp.MustCompile(identifier)
shortIdentifier = `([a-f0-9]{6,64})`
// ShortIdentifierRegexp is the format used to represent a prefix
// of an identifier. A prefix may be used to match a sha256 identifier
// within a list of trusted identifiers.
ShortIdentifierRegexp = regexp.MustCompile(shortIdentifier)
anchoredIdentifier = anchored(identifier)
// anchoredIdentifierRegexp is used to check or match an
// identifier value, anchored at start and end of string.
anchoredIdentifierRegexp = regexp.MustCompile(anchoredIdentifier)
)
// literal compiles s into a literal regular expression, escaping any regexp
// reserved characters.
func literal(s string) string {
re := regexp.MustCompile(regexp.QuoteMeta(s))
if _, complete := re.LiteralPrefix(); !complete {
panic("must be a literal")
}
return re.String()
}
// expression defines a full expression, where each regular expression must
// follow the previous.
func expression(res ...string) string {
var s string
for _, re := range res {
s += re
}
return s
}
// optional wraps the expression in a non-capturing group and makes the
// production optional.
func optional(res ...string) string {
return group(expression(res...)) + `?`
}
// repeated wraps the regexp in a non-capturing group to get one or more
// matches.
func repeated(res ...string) string {
return group(expression(res...)) + `+`
}
// group wraps the regexp in a non-capturing group.
func group(res ...string) string {
return `(?:` + expression(res...) + `)`
}
// capture wraps the expression in a capturing group.
func capture(res ...string) string {
return `(` + expression(res...) + `)`
}
// anchored anchors the regular expression by adding start and end delimiters.
func anchored(res ...string) string {
return `^` + expression(res...) + `$`
}

73
vendor/github.com/containerd/containerd/reference/docker/sort.go generated vendored
View File

@ -1,73 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package docker
import (
"sort"
)
// Sort sorts string references preferring higher information references
// The precedence is as follows:
// 1. Name + Tag + Digest
// 2. Name + Tag
// 3. Name + Digest
// 4. Name
// 5. Digest
// 6. Parse error
func Sort(references []string) []string {
var prefs []Reference
var bad []string
for _, ref := range references {
pref, err := ParseAnyReference(ref)
if err != nil {
bad = append(bad, ref)
} else {
prefs = append(prefs, pref)
}
}
sort.Slice(prefs, func(a, b int) bool {
ar := refRank(prefs[a])
br := refRank(prefs[b])
if ar == br {
return prefs[a].String() < prefs[b].String()
}
return ar < br
})
sort.Strings(bad)
var refs []string
for _, pref := range prefs {
refs = append(refs, pref.String())
}
return append(refs, bad...)
}
func refRank(ref Reference) uint8 {
if _, ok := ref.(Named); ok {
if _, ok = ref.(Tagged); ok {
if _, ok = ref.(Digested); ok {
return 1
}
return 2
}
if _, ok = ref.(Digested); ok {
return 3
}
return 4
}
return 5
}

39
vendor/github.com/containerd/containerd/reference/reference.go generated vendored
View File

@ -18,7 +18,6 @@ package reference
import (
"errors"
"fmt"
"net/url"
"path"
"regexp"
@ -136,8 +135,12 @@ func (r Spec) Hostname() string {
// Digest returns the digest portion of the reference spec. This may be a
// partial or invalid digest, which may be used to lookup a complete digest.
func (r Spec) Digest() digest.Digest {
_, dgst := SplitObject(r.Object)
return dgst
i := strings.Index(r.Object, "@")
if i < 0 {
return ""
}
return digest.Digest(r.Object[i+1:])
}
// String returns the normalized string for the ref.
@ -146,21 +149,31 @@ func (r Spec) String() string {
return r.Locator
}
if r.Object[:1] == "@" {
return fmt.Sprintf("%v%v", r.Locator, r.Object)
return r.Locator + r.Object
}
return fmt.Sprintf("%v:%v", r.Locator, r.Object)
return r.Locator + ":" + r.Object
}
// SplitObject provides two parts of the object spec, delimited by an `@`
// symbol.
// SplitObject provides two parts of the object spec, delimited by an "@"
// symbol. It does not perform any validation on correctness of the values
// returned, and it's the callers' responsibility to validate the result.
//
// Either may be empty and it is the callers job to validate them
// appropriately.
// If an "@" delimiter is found, it returns the part *including* the "@"
// delimiter as "tag", and the part after the "@" as digest.
//
// The example below produces "docker.io/library/ubuntu:latest@" and
// "sha256:deadbeef";
//
// t, d := SplitObject("docker.io/library/ubuntu:latest@sha256:deadbeef")
// fmt.Println(t) // docker.io/library/ubuntu:latest@
// fmt.Println(d) // sha256:deadbeef
//
// Deprecated: use [Parse] and [Spec.Digest] instead.
func SplitObject(obj string) (tag string, dgst digest.Digest) {
parts := strings.SplitAfterN(obj, "@", 2)
if len(parts) < 2 {
return parts[0], ""
if i := strings.Index(obj, "@"); i >= 0 {
// Offset by one so preserve the "@" in the tag returned.
return obj[:i+1], digest.Digest(obj[i+1:])
}
return parts[0], digest.Digest(parts[1])
return obj, ""
}

7
vendor/github.com/containerd/containerd/remotes/docker/fetcher_fuzz.go generated vendored
View File

@ -25,8 +25,6 @@ import (
"net/http"
"net/http/httptest"
"net/url"
refDocker "github.com/containerd/containerd/reference/docker"
)
func FuzzFetcher(data []byte) int {
@ -74,8 +72,3 @@ func FuzzFetcher(data []byte) int {
}
return 1
}
func FuzzParseDockerRef(data []byte) int {
_, _ = refDocker.ParseDockerRef(string(data))
return 1
}

2
vendor/github.com/containerd/containerd/remotes/handlers.go generated vendored
View File

@ -28,9 +28,9 @@ import (
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/labels"
"github.com/containerd/containerd/platforms"
"github.com/containerd/errdefs"
"github.com/containerd/log"
"github.com/containerd/platforms"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
"golang.org/x/sync/semaphore"
)

2
vendor/github.com/containerd/containerd/version/version.go generated vendored
View File

@ -23,7 +23,7 @@ var (
Package = "github.com/containerd/containerd"
// Version holds the complete version number. Filled in at linking time.
Version = "1.7.18+unknown"
Version = "1.7.19+unknown"
// Revision is filled with the VCS (e.g. git) revision being used to build
// the program at linking time.