In the same way as there is for_each_ref() to
iterate on refs, it might be useful to have
for_each_mergetag() to iterate on the mergetags
of a given commit.
Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
commit.c | 13 +++++++++++++
commit.h | 5 +++++
log-tree.c | 15 ++++-----------
3 files changed, 22 insertions(+), 11 deletions(-)
diff --git a/commit.c b/commit.c
index 54e157d..0f83ff7 100644
--- a/commit.c
+++ b/commit.c
@@ -1348,6 +1348,19 @@ struct commit_extra_header *read_commit_extra_headers(struct commit *commit,
return extra;
}
+void for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data)
+{
+ struct commit_extra_header *extra, *to_free;
+
+ to_free = read_commit_extra_headers(commit, NULL);
+ for (extra = to_free; extra; extra = extra->next) {
+ if (strcmp(extra->key, "mergetag"))
+ continue; /* not a merge tag */
+ fn(commit, extra, data);
+ }
+ free_commit_extra_headers(to_free);
+}
+
static inline int standard_header_field(const char *field, size_t len)
{
return ((len == 4 && !memcmp(field, "tree ", 5)) ||
diff --git a/commit.h b/commit.h
index 4234dae..c81ba85 100644
--- a/commit.h
+++ b/commit.h
@@ -312,6 +312,11 @@ extern struct commit_extra_header *read_commit_extra_headers(struct commit *, co
extern void free_commit_extra_headers(struct commit_extra_header *extra);
+typedef void (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra,
+ void *cb_data);
+
+extern void for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data);
+
struct merge_remote_desc {
struct object *obj; /* the named object, could be a tag */
const char *name;
diff --git a/log-tree.c b/log-tree.c
index 10e6844..706ed4c 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -413,10 +413,11 @@ static int is_common_merge(const struct commit *commit)
&& !commit->parents->next->next);
}
-static void show_one_mergetag(struct rev_info *opt,
+static void show_one_mergetag(struct commit *commit,
struct commit_extra_header *extra,
- struct commit *commit)
+ void *data)
{
+ struct rev_info *opt = (struct rev_info *)data;
unsigned char sha1[20];
struct tag *tag;
struct strbuf verify_message;
@@ -463,15 +464,7 @@ static void show_one_mergetag(struct rev_info *opt,
static void show_mergetag(struct rev_info *opt, struct commit *commit)
{
- struct commit_extra_header *extra, *to_free;
-
- to_free = read_commit_extra_headers(commit, NULL);
- for (extra = to_free; extra; extra = extra->next) {
- if (strcmp(extra->key, "mergetag"))
- continue; /* not a merge tag */
- show_one_mergetag(opt, extra, commit);
- }
- free_commit_extra_headers(to_free);
+ for_each_mergetag(show_one_mergetag, commit, opt);
}
void show_log(struct rev_info *opt)
--
2.0.0.421.g786a89d.dirty
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