Re: Finding file revisions

[Chris Mason <mason@suse.com>]

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On Wednesday 27 April 2005 18:19, Linus Torvalds wrote:
> On Wed, 27 Apr 2005, Chris Mason wrote:
> > So, new prog attached.  New usage:
> >
> > file-changes [-c commit_id] [-s commit_id] file ...
> >
> > -c is the commit where you want to start searching
> > -s is the commit where you want to stop searching
>
> Your script will do some funky stuff, because you incorrectly think that
> the rev-list is sorted linearly. It's not. It's sorted in a rough
> chronological order, but you really can't do the "last" vs "cur" thing
> that you do, because two commits after each other in the rev-list listing
> may well be from two totally different branches, so when you compare one
> tree against the other, you're really doing something pretty nonsensical.

One more rev that should work as you suggested Here's the example output 
from a cogito changeset with merges.  I print the diff-tree lines once for each 
matching parent and then print the commit once.  It's very primitive, but
hopefully some day someone will make a gui with happy clicky buttons
for changesets and filerevs.

diff-tree -r 2544d7558f0ce94ab9c163f5b67244f71d8c85b8 69eeae031bf5447e99b9274761e2361e8c5a944e
618fdb616cebbd2fc9f1cddc0b6b75fd575250a1->3579b5fd1182679a39b83eaaa9dd0e7c970f4545 diff-tree.c
diff-tree -r 9831d8f86095edde393e495d7a55cab9d35d5d05 69eeae031bf5447e99b9274761e2361e8c5a944e
2d2913b6b98ac836b43755b1304d2a838dad87dd->4f01bbbbb3fd0e53e9ce968f167b6dae68fcfa92 Makefile
cat-file commit 69eeae031bf5447e99b9274761e2361e8c5a944e
    tree 7510dc1b63e9e690ec73952e40a31e43af4b55bc
    parent 2544d7558f0ce94ab9c163f5b67244f71d8c85b8
    parent 9831d8f86095edde393e495d7a55cab9d35d5d05
    author Petr Baudis <pasky@ucw.cz> 1114544917 +0200
    committer Petr Baudis <xpasky@machine.sinus.cz> 1114544917 +0200

    Merge with rsync://www.kernel.org/pub/linux/kernel/people/torvalds/git.git

-chris

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