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revision.c: leave a note for "a lone :" enhancement

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If we later add a command in the log family that by default limit
its operation to the current subdirectory, we would need to resurrect
the "a lone ':' on the command line means no pathspec whatsoever".

Now the codepath was cleaned up, we can do so in one place.  Leave a
note to mark where it is for later generations.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2011-05-11 15:23:25 -07:00
parent 25197ebe7f
commit 93e7d672fc
1 changed files with 14 additions and 0 deletions
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revision.c
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@ -1589,6 +1589,20 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
}
if (prune_data.nr) {
/*
* If we need to introduce the magic "a lone ':' means no
* pathspec whatsoever", here is the place to do so.
*
* if (prune_data.nr == 1 && !strcmp(prune_data[0], ":")) {
* prune_data.nr = 0;
* prune_data.alloc = 0;
* free(prune_data.path);
* prune_data.path = NULL;
* } else {
* terminate prune_data.alloc with NULL and
* call init_pathspec() to set revs->prune_data here.
* }
*/
ALLOC_GROW(prune_data.path, prune_data.nr+1, prune_data.alloc);
prune_data.path[prune_data.nr++] = NULL;
init_pathspec(&revs->prune_data,