shrink-revlog: improve performance: use changegroup instead of revisions
Before:
real 0m23.971s
Now:
real 0m4.229s
The only case where the output would be different is if the newer hg was using
a different diff algorithm than used originally.
#!/bin/sh
echo "[extensions]" >> $HGRCPATH
echo "bookmarks=" >> $HGRCPATH
echo "[bookmarks]" >> $HGRCPATH
echo "track.current = True" >> $HGRCPATH
hg init
echo % no bookmarks
hg bookmarks
echo % set bookmark X
hg bookmark X
echo % list bookmarks
hg bookmark
echo % update to bookmark X
hg update X
echo % list bookmarks
hg bookmarks
echo % rename
hg bookmark -m X Z
echo % list bookmarks
hg bookmarks
echo % new bookmark Y
hg bookmark Y
echo % list bookmarks
hg bookmark
echo % commit
echo 'b' > b
hg add b
hg commit -m'test'
echo % list bookmarks
hg bookmark
echo % delete bookmarks
hg bookmark -d Y
hg bookmark -d Z
echo % list bookmarks
hg bookmark
echo % update to tip
hg update tip