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reset [--mixed]: use diff-based reset whether or not pathspec was given

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Thanks to b65982b (Optimize "diff-index --cached" using cache-tree,
2009-05-20), resetting with paths is much faster than resetting
without paths. Some timings for the linux-2.6 repo to illustrate this
(best of five, warm cache):

        reset       reset .
real    0m0.219s    0m0.080s
user    0m0.140s    0m0.040s
sys     0m0.070s    0m0.030s

These two commands should do the same thing, so instead of having the
user type the trailing " ." to get the faster do_diff_cache()-based
implementation, always use it when doing a mixed reset, with or
without paths (so "git reset $rev" would also be faster).

Timing "git reset" shows that it indeed becomes as fast as
"git reset ." after this patch.

Signed-off-by: Martin von Zweigbergk <martinvonz@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Martin von Zweigbergk 2013-01-14 21:47:51 -08:00 committed by Junio C Hamano
parent 166ec2e96e
commit 3fde386a40
1 changed files with 1 additions and 1 deletions
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2
builtin/reset.c
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@ -322,7 +322,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
if (reset_type != SOFT) {
struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
int newfd = hold_locked_index(lock, 1);
if (pathspec) {
if (reset_type == MIXED) {
if (read_from_tree(pathspec, sha1))
return 1;
} else {