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Add include filter for restore

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Include and exclude filter are mutually exclusive.
This commit is contained in:
Alexander Neumann 2015-07-20 19:20:20 +02:00
parent c0337a2675
commit 1da89253cf
2 changed files with 25 additions and 4 deletions
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20
cmd/restic/cmd_restore.go
View file

@ -11,6 +11,7 @@ import (
type CmdRestore struct { type CmdRestore struct {
Exclude []string `short:"e" long:"exclude" description:"Exclude a pattern (can be specified multiple times)"` Exclude []string `short:"e" long:"exclude" description:"Exclude a pattern (can be specified multiple times)"`
Include []string `short:"i" long:"include" description:"Include a pattern, exclude everything else (can be specified multiple times)"`
Target string `short:"t" long:"target" description:"Directory to restore to"` Target string `short:"t" long:"target" description:"Directory to restore to"`
global *GlobalOptions global *GlobalOptions
@ -39,6 +40,10 @@ func (cmd CmdRestore) Execute(args []string) error {
return errors.New("please specify a directory to restore to (--target)") return errors.New("please specify a directory to restore to (--target)")
} }
if len(cmd.Exclude) > 0 && len(cmd.Include) > 0 {
return errors.New("exclude and include patterns are mutually exclusive")
}
snapshotIDString := args[0] snapshotIDString := args[0]
debug.Log("restore", "restore %v to %v", snapshotIDString, cmd.Target) debug.Log("restore", "restore %v to %v", snapshotIDString, cmd.Target)
@ -74,7 +79,7 @@ func (cmd CmdRestore) Execute(args []string) error {
return err return err
} }
selectFilter := func(item string, dstpath string, node *restic.Node) bool { selectExcludeFilter := func(item string, dstpath string, node *restic.Node) bool {
matched, err := filter.List(cmd.Exclude, item) matched, err := filter.List(cmd.Exclude, item)
if err != nil { if err != nil {
cmd.global.Warnf("error for exclude pattern: %v", err) cmd.global.Warnf("error for exclude pattern: %v", err)
@ -83,8 +88,19 @@ func (cmd CmdRestore) Execute(args []string) error {
return !matched return !matched
} }
selectIncludeFilter := func(item string, dstpath string, node *restic.Node) bool {
matched, err := filter.List(cmd.Include, item)
if err != nil {
cmd.global.Warnf("error for include pattern: %v", err)
}
return matched
}
if len(cmd.Exclude) > 0 { if len(cmd.Exclude) > 0 {
res.SelectFilter = selectFilter res.SelectFilter = selectExcludeFilter
} else if len(cmd.Include) > 0 {
res.SelectFilter = selectIncludeFilter
} }
cmd.global.Verbosef("restoring %s to %s\n", res.Snapshot(), cmd.Target) cmd.global.Verbosef("restoring %s to %s\n", res.Snapshot(), cmd.Target)

9
cmd/restic/integration_test.go
View file

@ -78,6 +78,11 @@ func cmdRestoreExcludes(t testing.TB, global GlobalOptions, dir string, snapshot
OK(t, cmd.Execute([]string{snapshotID.String()})) OK(t, cmd.Execute([]string{snapshotID.String()}))
} }
func cmdRestoreIncludes(t testing.TB, global GlobalOptions, dir string, snapshotID backend.ID, includes []string) {
cmd := &CmdRestore{global: &global, Target: dir, Include: includes}
OK(t, cmd.Execute([]string{snapshotID.String()}))
}
func cmdCheck(t testing.TB, global GlobalOptions) { func cmdCheck(t testing.TB, global GlobalOptions) {
cmd := &CmdCheck{global: &global, ReadData: true} cmd := &CmdCheck{global: &global, ReadData: true}
OK(t, cmd.Execute(nil)) OK(t, cmd.Execute(nil))
@ -563,7 +568,7 @@ func TestRestoreNoMetadataOnIgnoredIntermediateDirs(t *testing.T) {
// restore with filter "*.ext", this should restore "file.ext", but // restore with filter "*.ext", this should restore "file.ext", but
// since the directories are ignored and only created because of // since the directories are ignored and only created because of
// "file.ext", no meta data should be restored for them. // "file.ext", no meta data should be restored for them.
cmdRestoreExcludes(t, global, filepath.Join(env.base, "restore0"), snapshotID, []string{"*.ext"}) cmdRestoreIncludes(t, global, filepath.Join(env.base, "restore0"), snapshotID, []string{"*.ext"})
f1 := filepath.Join(env.base, "restore0", "testdata", "subdir1", "subdir2") f1 := filepath.Join(env.base, "restore0", "testdata", "subdir1", "subdir2")
fi, err := os.Stat(f1) fi, err := os.Stat(f1)
@ -573,7 +578,7 @@ func TestRestoreNoMetadataOnIgnoredIntermediateDirs(t *testing.T) {
"meta data of intermediate directory has been restore although it was ignored") "meta data of intermediate directory has been restore although it was ignored")
// restore with filter "*", this should restore meta data on everything. // restore with filter "*", this should restore meta data on everything.
cmdRestoreExcludes(t, global, filepath.Join(env.base, "restore1"), snapshotID, []string{"*"}) cmdRestoreIncludes(t, global, filepath.Join(env.base, "restore1"), snapshotID, []string{"*"})
f2 := filepath.Join(env.base, "restore1", "testdata", "subdir1", "subdir2") f2 := filepath.Join(env.base, "restore1", "testdata", "subdir1", "subdir2")
fi, err = os.Stat(f2) fi, err = os.Stat(f2)