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-rw-r--r--commit.c78
1 files changed, 41 insertions, 37 deletions
diff --git a/commit.c b/commit.c
index 0094ec1c92..97b43279cd 100644
--- a/commit.c
+++ b/commit.c
@@ -49,6 +49,19 @@ struct commit *lookup_commit(const unsigned char *sha1)
return check_commit(obj, sha1, 0);
}
+struct commit *lookup_commit_reference_by_name(const char *name)
+{
+ unsigned char sha1[20];
+ struct commit *commit;
+
+ if (get_sha1(name, sha1))
+ return NULL;
+ commit = lookup_commit_reference(sha1);
+ if (!commit || parse_commit(commit))
+ return NULL;
+ return commit;
+}
+
static unsigned long parse_commit_date(const char *buf, const char *tail)
{
const char *dateptr;
@@ -137,12 +150,8 @@ struct commit_graft *read_graft_line(char *buf, int len)
buf[--len] = '\0';
if (buf[0] == '#' || buf[0] == '\0')
return NULL;
- if ((len + 1) % 41) {
- bad_graft_data:
- error("bad graft data: %s", buf);
- free(graft);
- return NULL;
- }
+ if ((len + 1) % 41)
+ goto bad_graft_data;
i = (len + 1) / 41 - 1;
graft = xmalloc(sizeof(*graft) + 20 * i);
graft->nr_parent = i;
@@ -155,6 +164,11 @@ struct commit_graft *read_graft_line(char *buf, int len)
goto bad_graft_data;
}
return graft;
+
+bad_graft_data:
+ error("bad graft data: %s", buf);
+ free(graft);
+ return NULL;
}
static int read_graft_file(const char *graft_file)
@@ -200,22 +214,12 @@ struct commit_graft *lookup_commit_graft(const unsigned char *sha1)
return commit_graft[pos];
}
-int write_shallow_commits(struct strbuf *out, int use_pack_protocol)
+int for_each_commit_graft(each_commit_graft_fn fn, void *cb_data)
{
- int i, count = 0;
- for (i = 0; i < commit_graft_nr; i++)
- if (commit_graft[i]->nr_parent < 0) {
- const char *hex =
- sha1_to_hex(commit_graft[i]->sha1);
- count++;
- if (use_pack_protocol)
- packet_buf_write(out, "shallow %s", hex);
- else {
- strbuf_addstr(out, hex);
- strbuf_addch(out, '\n');
- }
- }
- return count;
+ int i, ret;
+ for (i = ret = 0; i < commit_graft_nr && !ret; i++)
+ ret = fn(commit_graft[i], cb_data);
+ return ret;
}
int unregister_shallow(const unsigned char *sha1)
@@ -231,10 +235,10 @@ int unregister_shallow(const unsigned char *sha1)
return 0;
}
-int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
+int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size)
{
- char *tail = buffer;
- char *bufptr = buffer;
+ const char *tail = buffer;
+ const char *bufptr = buffer;
unsigned char parent[20];
struct commit_list **pptr;
struct commit_graft *graft;
@@ -360,7 +364,7 @@ void free_commit_list(struct commit_list *list)
}
}
-struct commit_list * insert_by_date(struct commit *item, struct commit_list **list)
+struct commit_list * commit_list_insert_by_date(struct commit *item, struct commit_list **list)
{
struct commit_list **pp = list;
struct commit_list *p;
@@ -374,11 +378,11 @@ struct commit_list * insert_by_date(struct commit *item, struct commit_list **li
}
-void sort_by_date(struct commit_list **list)
+void commit_list_sort_by_date(struct commit_list **list)
{
struct commit_list *ret = NULL;
while (*list) {
- insert_by_date((*list)->item, &ret);
+ commit_list_insert_by_date((*list)->item, &ret);
*list = (*list)->next;
}
*list = ret;
@@ -398,7 +402,7 @@ struct commit *pop_most_recent_commit(struct commit_list **list,
struct commit *commit = parents->item;
if (!parse_commit(commit) && !(commit->object.flags & mark)) {
commit->object.flags |= mark;
- insert_by_date(commit, list);
+ commit_list_insert_by_date(commit, list);
}
parents = parents->next;
}
@@ -487,7 +491,7 @@ void sort_in_topological_order(struct commit_list ** list, int lifo)
/* process the list in topological order */
if (!lifo)
- sort_by_date(&work);
+ commit_list_sort_by_date(&work);
pptr = list;
*list = NULL;
@@ -501,7 +505,7 @@ void sort_in_topological_order(struct commit_list ** list, int lifo)
commit = work_item->item;
for (parents = commit->parents; parents ; parents = parents->next) {
- struct commit *parent=parents->item;
+ struct commit *parent = parents->item;
if (!parent->indegree)
continue;
@@ -513,7 +517,7 @@ void sort_in_topological_order(struct commit_list ** list, int lifo)
*/
if (--parent->indegree == 1) {
if (!lifo)
- insert_by_date(parent, &work);
+ commit_list_insert_by_date(parent, &work);
else
commit_list_insert(parent, &work);
}
@@ -573,10 +577,10 @@ static struct commit_list *merge_bases_many(struct commit *one, int n, struct co
}
one->object.flags |= PARENT1;
- insert_by_date(one, &list);
+ commit_list_insert_by_date(one, &list);
for (i = 0; i < n; i++) {
twos[i]->object.flags |= PARENT2;
- insert_by_date(twos[i], &list);
+ commit_list_insert_by_date(twos[i], &list);
}
while (interesting(list)) {
@@ -594,7 +598,7 @@ static struct commit_list *merge_bases_many(struct commit *one, int n, struct co
if (flags == (PARENT1 | PARENT2)) {
if (!(commit->object.flags & RESULT)) {
commit->object.flags |= RESULT;
- insert_by_date(commit, &result);
+ commit_list_insert_by_date(commit, &result);
}
/* Mark parents of a found merge stale */
flags |= STALE;
@@ -608,7 +612,7 @@ static struct commit_list *merge_bases_many(struct commit *one, int n, struct co
if (parse_commit(p))
return NULL;
p->object.flags |= flags;
- insert_by_date(p, &list);
+ commit_list_insert_by_date(p, &list);
}
}
@@ -618,7 +622,7 @@ static struct commit_list *merge_bases_many(struct commit *one, int n, struct co
while (list) {
struct commit_list *next = list->next;
if (!(list->item->object.flags & STALE))
- insert_by_date(list->item, &result);
+ commit_list_insert_by_date(list->item, &result);
free(list);
list = next;
}
@@ -711,7 +715,7 @@ struct commit_list *get_merge_bases_many(struct commit *one,
result = NULL;
for (i = 0; i < cnt; i++) {
if (rslt[i])
- insert_by_date(rslt[i], &result);
+ commit_list_insert_by_date(rslt[i], &result);
}
free(rslt);
return result;