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Add support for decompressing while copying to dir://

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Signed-off-by: Silvio Moioli <moio@suse.com>
This commit is contained in:
Silvio Moioli
2021-06-17 16:06:42 +02:00
parent 76eb9bc9e9
commit aeb61f656c
1 changed files with 3 additions and 0 deletions
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3
cmd/skopeo/utils.go
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@@ -201,6 +201,7 @@ func (opts *imageOptions) newSystemContext() (*types.SystemContext, error) {
type imageDestOptions struct {
*imageOptions
dirForceCompression bool // Compress layers when saving to the dir: transport
dirForceDecompression bool // Decompress layers when saving to the dir: transport
ociAcceptUncompressedLayers bool // Whether to accept uncompressed layers in the oci: transport
compressionFormat string // Format to use for the compression
compressionLevel optionalInt // Level to use for the compression
@@ -213,6 +214,7 @@ func imageDestFlags(global *globalOptions, shared *sharedImageOptions, deprecate
fs := pflag.FlagSet{}
fs.AddFlagSet(&genericFlags)
fs.BoolVar(&opts.dirForceCompression, flagPrefix+"compress", false, "Compress tarball image layers when saving to directory using the 'dir' transport. (default is same compression type as source)")
fs.BoolVar(&opts.dirForceDecompression, flagPrefix+"decompress", false, "Decompress tarball image layers when saving to directory using the 'dir' transport. (default is same compression type as source)")
fs.BoolVar(&opts.ociAcceptUncompressedLayers, flagPrefix+"oci-accept-uncompressed-layers", false, "Allow uncompressed image layers when saving to an OCI image using the 'oci' transport. (default is to compress things that aren't compressed)")
fs.StringVar(&opts.compressionFormat, flagPrefix+"compress-format", "", "`FORMAT` to use for the compression")
fs.Var(newOptionalIntValue(&opts.compressionLevel), flagPrefix+"compress-level", "`LEVEL` to use for the compression")
@@ -228,6 +230,7 @@ func (opts *imageDestOptions) newSystemContext() (*types.SystemContext, error) {
}
ctx.DirForceCompress = opts.dirForceCompression
ctx.DirForceDecompress = opts.dirForceDecompression
ctx.OCIAcceptUncompressedLayers = opts.ociAcceptUncompressedLayers
if opts.compressionFormat != "" {
cf, err := compression.AlgorithmByName(opts.compressionFormat)