streamclone: stop listing files for entries that have no volatile files
This will save a lot of python related time.
This significantly boost performance. The following number comes from a large
private repository using perf::stream-locked-section:
base-line: 35.04 seconds
prev-change: 24.51 seconds (-30%)
prev-change: 20.88 seconds (-40%)
prev-change: 14.22 seconds (-60%)
this-change: 11.58 seconds (-67% from baseline; -18% from prev)
$ cat >> $HGRCPATH << EOF
> [extensions]
> strip=
> EOF
Setup repo
$ hg init repo
$ cd repo
Test backups list and recover
$ hg debugbackupbundle
no backup changesets found
$ mkcommit() {
> echo "$1" > "$1"
> hg add "$1"
> hg ci -l $1
> }
$ mkcommit a
$ mkcommit b
$ hg strip .
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/repo/.hg/strip-backup/d2ae7f538514-2953539b-backup.hg
$ hg debugbackupbundle
Recover changesets using: hg debugbackupbundle --recover <changeset hash>
Available backup changesets:
* (glob)
d2ae7f538514 b
$ hg debugbackupbundle --recover d2ae7f538514
Unbundling d2ae7f538514
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
new changesets d2ae7f538514 (1 drafts)