"bzr tags -r NNN" runs forever

[Vincent Ladeuil]

>>>>> Vincent Ladeuil <vila+bzr at canonical.com> writes:

>>>>> Vincent Ladeuil <vila+bzr at canonical.com> writes:
>>>>> Eli Zaretskii <eliz at gnu.org> writes:
    >>>> Date: Wed, 21 Sep 2011 19:27:19 +0200
    >>>> From: Jelmer Vernooij <jelmer at samba.org>
    >>>> CC: bazaar at lists.canonical.com, Jelmer Vernooij <vernooi1 at xs4all.nl>
    >>>> 
    >>>> > Show the tag, if any, in the given revision or range of revisions.
    >>>> > But that's not based on anything, since the documentation doesn't tell
    >>>> > anything about the effect of this switch.
    >>>> That is indeed what it does, but it probably has to scan history in 
    >>>> order to find that data which can take some time.

    >>> If it takes 30 sec to find all the tags, how come it takes many
    >>> minutes (at least 12) to find tags for a single revision?

    >> Because it starts all over again for each tag, it's a bug. It's
    >> noticeable on bzr itself once you specify a revision or a revision range
    >> (truth is I never did that and looking at the annotations, the bug is
    >> there since ages :-/).

    >> Thanks for spotting it Eli,

    > Filed as http://pad.lv/857335, I'm testing a fix right now (but it will
    > need some polish).

This has now landed on trunk and will be included in 2.5b2. It could be
back-ported to 2.4 if people are interested (the fix itself is not
invasive).

Cheers,

        Vincent