debugindex etc.: add --changelog and --manifest options
These open the changelog and manifest, respectively, directly so you don't
need to specify the path.
The options have been added to debugindex, debugdata and debugrevlog.
The patch also fixes some minor usage-related bugs.
$ "$TESTDIR/hghave" inotify || exit 80
$ hg init
$ touch a b c d e f
$ echo "[extensions]" >> $HGRCPATH
$ echo "inotify=" >> $HGRCPATH
inserve
$ hg inserve -d --pid-file=hg.pid 2>&1
$ cat hg.pid >> "$DAEMON_PIDS"
$ hg ci -Am m
adding a
adding b
adding c
adding d
adding e
adding f
adding hg.pid
let the daemon finish its stuff
$ sleep 1
eed to test all file opperations
$ hg rm a
$ rm b
$ echo c >> c
$ touch g
$ hg add g
$ hg mv e h
$ hg status
M c
A g
A h
R a
R e
! b
$ sleep 1
Are we able to kill the service? if not, the service died on some error
$ kill `cat hg.pid`