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0758a92c58
* restore: improved user experience * 'snapshot restore' is now the same as 'restore' and both will support restoring by manifest ID, root ID or root ID + subdirectory * added support for restoring individual files * implemented PR feedback and refactored object ID parsing Moving helpers inside the snapshot/ package helped clean up the code a lot.
72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
package cli
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import (
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"context"
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"os"
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"strings"
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"github.com/pkg/errors"
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"github.com/kopia/kopia/fs"
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"github.com/kopia/kopia/internal/diff"
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"github.com/kopia/kopia/repo"
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"github.com/kopia/kopia/snapshot/snapshotfs"
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)
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var (
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diffCommand = app.Command("diff", "Displays differences between two repository objects (files or directories)").Alias("compare")
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diffFirstObjectPath = diffCommand.Arg("object-path1", "First object/path").Required().String()
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diffSecondObjectPath = diffCommand.Arg("object-path2", "Second object/path").Required().String()
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diffCompareFiles = diffCommand.Flag("files", "Compare files by launching diff command for all pairs of (old,new)").Short('f').Bool()
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diffCommandCommand = diffCommand.Flag("diff-command", "Displays differences between two repository objects (files or directories)").Default(defaultDiffCommand()).Envar("KOPIA_DIFF").String()
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)
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func runDiffCommand(ctx context.Context, rep repo.Repository) error {
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ent1, err := snapshotfs.FilesystemEntryFromIDWithPath(ctx, rep, *diffFirstObjectPath, false)
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if err != nil {
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return err
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}
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ent2, err := snapshotfs.FilesystemEntryFromIDWithPath(ctx, rep, *diffSecondObjectPath, false)
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if err != nil {
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return err
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}
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_, isDir1 := ent1.(fs.Directory)
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_, isDir2 := ent2.(fs.Directory)
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if isDir1 != isDir2 {
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return errors.New("arguments do diff must both be directories or both non-directories")
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}
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d, err := diff.NewComparer(os.Stdout)
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if err != nil {
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return err
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}
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defer d.Close() //nolint:errcheck
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if *diffCompareFiles {
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parts := strings.Split(*diffCommandCommand, " ")
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d.DiffCommand = parts[0]
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d.DiffArguments = parts[1:]
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}
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if isDir1 {
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return d.Compare(ctx, ent1, ent2)
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}
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return errors.New("comparing files not implemented yet")
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}
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func defaultDiffCommand() string {
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if isWindows() {
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return "cmp"
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}
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return "diff -u"
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}
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func init() {
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diffCommand.Action(repositoryAction(runDiffCommand))
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}
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