[PATCH 1/2] get_sha1_oneline: allow to input commit_list

[Nguyán ThÃi Ngác Duy <pclouds@xxxxxxxxx>]

Signed-off-by: Nguyán ThÃi Ngác Duy <pclouds@xxxxxxxxx>
---
 sha1_name.c |   19 ++++++++++++-------
 1 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/sha1_name.c b/sha1_name.c
index 2c3a5fb..f4ccdc5 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -686,13 +686,14 @@ static int handle_one_ref(const char *path,
 	if (object->type != OBJ_COMMIT)
 		return 0;
 	insert_by_date((struct commit *)object, list);
-	object->flags |= ONELINE_SEEN;
 	return 0;
 }
 
-static int get_sha1_oneline(const char *prefix, unsigned char *sha1)
+static int get_sha1_oneline(const char *prefix,
+			    unsigned char *sha1,
+			    struct commit_list *list_)
 {
-	struct commit_list *list = NULL, *backup = NULL, *l;
+	struct commit_list *list = list_, *backup = NULL, *l;
 	int retval = -1;
 	char *temp_commit_buffer = NULL;
 	regex_t regex;
@@ -706,9 +707,12 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1)
 	if (regcomp(&regex, prefix, REG_EXTENDED))
 		die("Invalid search pattern: %s", prefix);
 
-	for_each_ref(handle_one_ref, &list);
-	for (l = list; l; l = l->next)
+	if (!list)
+		for_each_ref(handle_one_ref, &list);
+	for (l = list; l; l = l->next) {
 		commit_list_insert(l->item, &backup);
+		l->item->object.flags |= ONELINE_SEEN;
+	}
 	while (list) {
 		char *p;
 		struct commit *commit;
@@ -737,7 +741,8 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1)
 	}
 	regfree(&regex);
 	free(temp_commit_buffer);
-	free_commit_list(list);
+	if (!list_)
+		free_commit_list(list);
 	for (l = backup; l; l = l->next)
 		clear_commit_marks(l->item, ONELINE_SEEN);
 	return retval;
@@ -1090,7 +1095,7 @@ int get_sha1_with_context_1(const char *name, unsigned char *sha1,
 		int pos;
 		if (namelen > 2 && name[1] == '/')
 			/* don't need mode for commit */
-			return get_sha1_oneline(name + 2, sha1);
+			return get_sha1_oneline(name + 2, sha1, NULL);
 		if (namelen < 3 ||
 		    name[2] != ':' ||
 		    name[1] < '0' || '3' < name[1])
-- 
1.7.3.2.316.gda8b3

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