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113670e576
* Working kopia mount on Apple Silicon Work around upstream issues with MacFuse and bazil.org/fuse on Apple Silicon Macs by using WebDav on darwin arm64. Provides an (at least temporary) fix for #811.
107 lines
3.3 KiB
Go
107 lines
3.3 KiB
Go
package cli
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import (
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"context"
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"github.com/pkg/errors"
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"github.com/skratchdot/open-golang/open"
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"github.com/kopia/kopia/fs"
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"github.com/kopia/kopia/fs/cachefs"
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"github.com/kopia/kopia/fs/loggingfs"
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"github.com/kopia/kopia/internal/mount"
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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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mountCommand = app.Command("mount", "Mount repository object as a local filesystem.")
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mountObjectID = mountCommand.Arg("path", "Identifier of the directory to mount.").Default("all").String()
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mountPoint = mountCommand.Arg("mountPoint", "Mount point").Default("*").String()
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mountPointBrowse = mountCommand.Flag("browse", "Open file browser").Bool()
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mountTraceFS = mountCommand.Flag("trace-fs", "Trace filesystem operations").Bool()
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mountFuseAllowOther = mountCommand.Flag("fuse-allow-other", "Allows other users to access the file system.").Bool()
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mountFuseAllowNonEmptyMount = mountCommand.Flag("fuse-allow-non-empty-mount", "Allows the mounting over a non-empty directory. The files in it will be shadowed by the freshly created mount.").Bool()
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mountPreferWebDAV = mountCommand.Flag("webdav", "Use WebDAV to mount the repository object regardless of fuse availability.").Bool()
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)
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func runMountCommand(ctx context.Context, rep repo.Repository) error {
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var entry fs.Directory
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if *mountObjectID == "all" {
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entry = snapshotfs.AllSourcesEntry(rep)
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} else {
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var err error
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entry, err = snapshotfs.FilesystemDirectoryFromIDWithPath(ctx, rep, *mountObjectID, false)
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if err != nil {
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return errors.Wrapf(err, "unable to get directory entry for %v", *mountObjectID)
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}
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}
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if *mountTraceFS {
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entry = loggingfs.Wrap(entry, log(ctx).Debugf).(fs.Directory)
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}
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entry = cachefs.Wrap(entry, newFSCache()).(fs.Directory)
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ctrl, mountErr := mount.Directory(ctx, entry, *mountPoint,
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mount.Options{
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FuseAllowOther: *mountFuseAllowOther,
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FuseAllowNonEmptyMount: *mountFuseAllowNonEmptyMount,
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PreferWebDAV: *mountPreferWebDAV,
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})
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if mountErr != nil {
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return errors.Wrap(mountErr, "mount error")
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}
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log(ctx).Infof("Mounted '%v' on %v", *mountObjectID, ctrl.MountPath())
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if *mountPoint == "*" && !*mountPointBrowse {
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log(ctx).Infof("HINT: Pass --browse to automatically open file browser.")
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}
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log(ctx).Infof("Press Ctrl-C to unmount.")
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if *mountPointBrowse {
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if err := open.Start(ctrl.MountPath()); err != nil {
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log(ctx).Warningf("unable to browse %v", err)
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}
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}
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// Wait until ctrl-c pressed or until the directory is unmounted.
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ctrlCPressed := make(chan bool)
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onCtrlC(func() {
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close(ctrlCPressed)
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})
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select {
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case <-ctrlCPressed:
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log(ctx).Infof("Unmounting...")
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// TODO: Consider lazy unmounting (-z) and polling till the filesystem is unmounted instead of failing with:
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// "unmount error: exit status 1: fusermount: failed to unmount /tmp/kopia-mount719819963: Device or resource busy, try --help"
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err := ctrl.Unmount(ctx)
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if err != nil {
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return errors.Wrap(err, "unmount error")
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}
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case <-ctrl.Done():
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log(ctx).Infof("Unmounted.")
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return nil
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}
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// Reporting clean unmount in case of interrupt signal.
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<-ctrl.Done()
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log(ctx).Infof("Unmounted.")
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return nil
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}
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func init() {
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setupFSCacheFlags(mountCommand)
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mountCommand.Action(repositoryReaderAction(runMountCommand))
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}
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