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util: add platformutil

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2019-04-17 16:48:52 -07:00
parent aa421f9c9e
commit e773d0eb2a
3 changed files with 7 additions and 5 deletions
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32
build/platform.go
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@ -1,32 +0,0 @@
package build
import (
"strings"
"github.com/containerd/containerd/platforms"
specs "github.com/opencontainers/image-spec/specs-go/v1"
)
func ParsePlatformSpecs(platformsStr []string) ([]specs.Platform, error) {
if len(platformsStr) == 0 {
return nil, nil
}
out := make([]specs.Platform, 0, len(platformsStr))
for _, s := range platformsStr {
parts := strings.Split(s, ",")
if len(parts) > 1 {
p, err := ParsePlatformSpecs(parts)
if err != nil {
return nil, err
}
out = append(out, p...)
continue
}
p, err := platforms.Parse(s)
if err != nil {
return nil, err
}
out = append(out, platforms.Normalize(p))
}
return out, nil
}