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prune: make small pack size configureable for prune all changes together

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cmd_prune.go: added option `--repack-smaller-than`
prune.go: added field `SmallPackBytes` to `PruneOptions`, including checking and processing
prune_test.go: added test `TestPruneSmall`
doc/060_forget.rst: added description of enhancement
changelog/unreleased/issue-5109: description of enhancement
This commit is contained in:
Winfried Plappert
2025-02-18 16:54:44 +00:00
parent 5ddda7f5e9
commit a2a1309fd9
5 changed files with 134 additions and 9 deletions
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18
cmd/restic/cmd_prune.go
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@@ -67,6 +67,9 @@ type PruneOptions struct {
RepackCacheableOnly bool
RepackSmall bool
RepackUncompressed bool
SmallPackSize string
SmallPackBytes uint64
}
func (opts *PruneOptions) AddFlags(f *pflag.FlagSet) {
@@ -81,6 +84,7 @@ func (opts *PruneOptions) AddLimitedFlags(f *pflag.FlagSet) {
f.BoolVar(&opts.RepackCacheableOnly, "repack-cacheable-only", false, "only repack packs which are cacheable")
f.BoolVar(&opts.RepackSmall, "repack-small", false, "repack pack files below 80% of target pack size")
f.BoolVar(&opts.RepackUncompressed, "repack-uncompressed", false, "repack all uncompressed data")
f.StringVar(&opts.SmallPackSize, "repack-smaller-than", "", "pack `below-limit` packfiles (allowed suffixes: k/K, m/M)")
}
func verifyPruneOptions(opts *PruneOptions) error {
@@ -139,6 +143,20 @@ func verifyPruneOptions(opts *PruneOptions) error {
}
}
if !opts.RepackSmall && opts.SmallPackSize != "" {
return errors.Fatal("option --repack-small and --repack-smaller-than: must be specified together")
}
opts.SmallPackBytes = uint64(0)
if opts.SmallPackSize != "" {
size, err := ui.ParseBytes(opts.SmallPackSize)
if err != nil {
return errors.Fatalf("invalid number of bytes %q for --repack-smaller-than: %v", opts.SmallPackSize, err)
}
opts.SmallPackBytes = uint64(size)
opts.RepackSmall = true
}
return nil
}