vendor: buildkit v0.7.2

v0.7.2
----------------

Fixes:

- solver: gracefully handle cache loading errors
- remotecache: only visit each item once when walking results
- cache: avoid possible nil dereference on error handling
- contenthash: allow security.capability in cache checksum
- contenthash: treat unix sockets as regular files
- push: fix race condition on pushing the same layers in parallel
- inline cache: fix handling of duplicate blobs in same image
- gateway: fix metadata getting lost on subsolve in external frontend
- filesync: avoid ignoring close error
- runc: update runc binary to v1.0.0-rc91
- buildctl-daemonless: allow max retries on socket connect for buildctl
- buildctl-daemonless: fix shell args expansion
- buildctl-daemonless: show log on startup timeout

v0.7.1
----------------

Fixes:

- git: use --force flag on fetch
- tar exporter: handle symlinks properly
- resolver: disable http2 for pushing

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/tonistiigi/fsutil/tarwriter.go

@@ -37,7 +37,11 @@ func WriteTar(ctx context.Context, fs FS, w io.Writer) error {
 		hdr.Linkname = stat.Linkname
 		if hdr.Linkname != "" {
 			hdr.Size = 0
-			hdr.Typeflag = tar.TypeLink
+			if fi.Mode() & os.ModeSymlink != 0 {
+				hdr.Typeflag = tar.TypeSymlink
+			} else {
+				hdr.Typeflag = tar.TypeLink
+			}
 		}
 
 		if len(stat.Xattrs) > 0 {