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-rw-r--r--builtin/fmt-merge-msg.c114
1 files changed, 110 insertions, 4 deletions
diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index fb1ebcbe68..2c4d435da1 100644
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -27,6 +27,8 @@ int fmt_merge_msg_config(const char *key, const char *value, void *cb)
merge_log_config = DEFAULT_MERGE_LOG_LEN;
} else if (!strcmp(key, "merge.branchdesc")) {
use_branch_desc = git_config_bool(key, value);
+ } else {
+ return git_default_config(key, value, cb);
}
return 0;
}
@@ -223,6 +225,101 @@ static void add_branch_desc(struct strbuf *out, const char *name)
strbuf_release(&desc);
}
+#define util_as_integral(elem) ((intptr_t)((elem)->util))
+
+static void record_person(int which, struct string_list *people,
+ struct commit *commit)
+{
+ char *name_buf, *name, *name_end;
+ struct string_list_item *elem;
+ const char *field = (which == 'a') ? "\nauthor " : "\ncommitter ";
+
+ name = strstr(commit->buffer, field);
+ if (!name)
+ return;
+ name += strlen(field);
+ name_end = strchrnul(name, '<');
+ if (*name_end)
+ name_end--;
+ while (isspace(*name_end) && name <= name_end)
+ name_end--;
+ if (name_end < name)
+ return;
+ name_buf = xmemdupz(name, name_end - name + 1);
+
+ elem = string_list_lookup(people, name_buf);
+ if (!elem) {
+ elem = string_list_insert(people, name_buf);
+ elem->util = (void *)0;
+ }
+ elem->util = (void*)(util_as_integral(elem) + 1);
+ free(name_buf);
+}
+
+static int cmp_string_list_util_as_integral(const void *a_, const void *b_)
+{
+ const struct string_list_item *a = a_, *b = b_;
+ return util_as_integral(b) - util_as_integral(a);
+}
+
+static void add_people_count(struct strbuf *out, struct string_list *people)
+{
+ if (people->nr == 1)
+ strbuf_addf(out, "%s", people->items[0].string);
+ else if (people->nr == 2)
+ strbuf_addf(out, "%s (%d) and %s (%d)",
+ people->items[0].string,
+ (int)util_as_integral(&people->items[0]),
+ people->items[1].string,
+ (int)util_as_integral(&people->items[1]));
+ else if (people->nr)
+ strbuf_addf(out, "%s (%d) and others",
+ people->items[0].string,
+ (int)util_as_integral(&people->items[0]));
+}
+
+static void credit_people(struct strbuf *out,
+ struct string_list *them,
+ int kind)
+{
+ const char *label;
+ const char *me;
+
+ if (kind == 'a') {
+ label = "\n# By ";
+ me = git_author_info(IDENT_NO_DATE);
+ } else {
+ label = "\n# Via ";
+ me = git_committer_info(IDENT_NO_DATE);
+ }
+
+ if (!them->nr ||
+ (them->nr == 1 &&
+ me &&
+ (me = skip_prefix(me, them->items->string)) != NULL &&
+ skip_prefix(me, " <")))
+ return;
+ strbuf_addstr(out, label);
+ add_people_count(out, them);
+}
+
+static void add_people_info(struct strbuf *out,
+ struct string_list *authors,
+ struct string_list *committers)
+{
+ if (authors->nr)
+ qsort(authors->items,
+ authors->nr, sizeof(authors->items[0]),
+ cmp_string_list_util_as_integral);
+ if (committers->nr)
+ qsort(committers->items,
+ committers->nr, sizeof(committers->items[0]),
+ cmp_string_list_util_as_integral);
+
+ credit_people(out, authors, 'a');
+ credit_people(out, committers, 'c');
+}
+
static void shortlog(const char *name,
struct origin_data *origin_data,
struct commit *head,
@@ -233,6 +330,8 @@ static void shortlog(const char *name,
struct commit *commit;
struct object *branch;
struct string_list subjects = STRING_LIST_INIT_DUP;
+ struct string_list authors = STRING_LIST_INIT_DUP;
+ struct string_list committers = STRING_LIST_INIT_DUP;
int flags = UNINTERESTING | TREESAME | SEEN | SHOWN | ADDED;
struct strbuf sb = STRBUF_INIT;
const unsigned char *sha1 = origin_data->sha1;
@@ -242,7 +341,6 @@ static void shortlog(const char *name,
return;
setup_revisions(0, NULL, rev, NULL);
- rev->ignore_merges = 1;
add_pending_object(rev, branch, name);
add_pending_object(rev, &head->object, "^HEAD");
head->object.flags |= UNINTERESTING;
@@ -251,10 +349,15 @@ static void shortlog(const char *name,
while ((commit = get_revision(rev)) != NULL) {
struct pretty_print_context ctx = {0};
- /* ignore merges */
- if (commit->parents && commit->parents->next)
+ if (commit->parents && commit->parents->next) {
+ /* do not list a merge but count committer */
+ record_person('c', &committers, commit);
continue;
-
+ }
+ if (!count)
+ /* the 'tip' committer */
+ record_person('c', &committers, commit);
+ record_person('a', &authors, commit);
count++;
if (subjects.nr > limit)
continue;
@@ -269,6 +372,7 @@ static void shortlog(const char *name,
string_list_append(&subjects, strbuf_detach(&sb, NULL));
}
+ add_people_info(out, &authors, &committers);
if (count > limit)
strbuf_addf(out, "\n* %s: (%d commits)\n", name, count);
else
@@ -289,6 +393,8 @@ static void shortlog(const char *name,
rev->commits = NULL;
rev->pending.nr = 0;
+ string_list_clear(&authors, 0);
+ string_list_clear(&committers, 0);
string_list_clear(&subjects, 0);
}