Linus Torvalds <torvalds@xxxxxxxx> writes:
> This is an absolutely huge deal for anything like "git log -- <pathname>",
> but also for some things that we don't do yet - like the "find where
> things changed" logic I've described elsewhere, where we want to find the
> previous revision that changed a file.
>...
> Btw, don't even bother testing this with the git archive. git itself is so
> small that parsing the whole revision history for it takes about a second
> even with path limiting.
By the way, I forgot to praise you ;-).
Even on a fast machine, the old one was not very useful, but
this one is _instantaneous_. Very good job.
$ PAGER=cat GIT_DIR=/pub/scm/linux/kernel/git/torvalds/linux-2.6.git/ \
/usr/bin/time git log -1 --pretty=short -- drivers/
commit ce362c009250340358a7221f3cdb7954cbf19c01
Merge: 064c94f... cd7a920...
Author: Linus Torvalds <torvalds@xxxxxxxxxxx>
Merge git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
15.44user 0.19system 0:25.11elapsed 62%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+18050minor)pagefaults 0swaps
$ PAGER=cat GIT_DIR=/pub/scm/linux/kernel/git/torvalds/linux-2.6.git/ \
/usr/bin/time ./git.pu log -1 --pretty=short -- drivers/
commit ce362c009250340358a7221f3cdb7954cbf19c01
Merge: 064c94f... cd7a920...
Author: Linus Torvalds <torvalds@xxxxxxxxxxx>
Merge git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
0.00user 0.00system 0:00.00elapsed 50%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+388minor)pagefaults 0swaps
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