patchbomb: add -B option to select a bookmark
Add the -B/--bookmark option to select a bookmark whose changesets
and its ancestors will be selected unless a new bookmark/head is
found.
This is inspired by hg strip -B option.
#require serve killdaemons
$ hg clone http://localhost:$HGPORT/ copy
abort: * (glob)
[255]
$ test -d copy
[1]
$ python "$TESTDIR/dumbhttp.py" -p $HGPORT --pid dumb.pid
$ cat dumb.pid >> $DAEMON_PIDS
$ hg clone http://localhost:$HGPORT/foo copy2
abort: HTTP Error 404: * (glob)
[255]
$ killdaemons.py