Martin von Zweigbergk <martin.von.zweigbe...@gmail.com> writes:
> get_patch_ids() takes an already initialized rev_info and a
> prefix. The prefix is used when initalizing a second rev_info. Since
> the initialized rev_info already has a prefix and it seems the prefix
> doesn't change, we can used the prefix from the initialized rev_info
> to initialize the second rev_info.
s/it seems the prefix doesn't change/the prefix never changes/;
> Signed-off-by: Martin von Zweigbergk <martin.von.zweigbe...@gmail.com>
I think this change shouldn't change the behaviour and is good.
Just FYI, during the revision traversal, prefix affects two things
in the current code:
(1) it is used as the basename for prune data that determine which
parts of the tree structure to pay attention to (e.g. "cd t &&
git log .").
(2) it is used as the basename for diff output when revs->diffopt
is used (e.g. "cd t && git log -p").
And check_rev is used with neither. It does not want to prune any
part of the tree nor it wants to filter with fancier options like
grep/pickaxe (i.e. it does not use setup_revisions()).
In that sense it probably does not even matter if you did not pass
rev->prefix down to check_rev, and instead gave NULL to it, but that
only holds true in the current codebase, so I think what your patch
does is the right thing to do.
Thanks.
> builtin/log.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/builtin/log.c b/builtin/log.c
> index ecc2793..7a92e3f 100644
> --- a/builtin/log.c
> +++ b/builtin/log.c
> @@ -696,7 +696,7 @@ static int reopen_stdout(struct commit *commit, const
> char *subject,
> return 0;
> }
>
> -static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const
> char *prefix)
> +static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids)
> {
> struct rev_info check_rev;
> struct commit *commit;
> @@ -717,7 +717,7 @@ static void get_patch_ids(struct rev_info *rev, struct
> patch_ids *ids, const cha
> init_patch_ids(ids);
>
> /* given a range a..b get all patch ids for b..a */
> - init_revisions(&check_rev, prefix);
> + init_revisions(&check_rev, rev->prefix);
> o1->flags ^= UNINTERESTING;
> o2->flags ^= UNINTERESTING;
> add_pending_object(&check_rev, o1, "o1");
> @@ -1306,7 +1306,7 @@ int cmd_format_patch(int argc, const char **argv, const
> char *prefix)
> if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
> return 0;
> }
> - get_patch_ids(&rev, &ids, prefix);
> + get_patch_ids(&rev, &ids);
> }
>
> if (!use_stdout)
> @@ -1525,7 +1525,7 @@ int cmd_cherry(int argc, const char **argv, const char
> *prefix)
> return 0;
> }
>
> - get_patch_ids(&revs, &ids, prefix);
> + get_patch_ids(&revs, &ids);
>
> if (limit && add_pending_commit(limit, &revs, UNINTERESTING))
> die(_("Unknown commit %s"), limit);
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