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diff --git a/commit.c b/commit.c
index 731191e63bd39a89a8ea4ed0390c49d5605cdbed..73b7e00292ba2de33fa43b5f028fd807a460af34 100644 (file)
--- a/commit.c
+++ b/commit.c
return lookup_commit_reference_gently(sha1, 0);
}
+struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_name)
+{
+ struct commit *c = lookup_commit_reference(sha1);
+ if (!c)
+ die(_("could not parse %s"), ref_name);
+ if (hashcmp(sha1, c->object.sha1)) {
+ warning(_("%s %s is not a commit!"),
+ ref_name, sha1_to_hex(sha1));
+ }
+ return c;
+}
+
struct commit *lookup_commit(const unsigned char *sha1)
{
struct object *obj = lookup_object(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;
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;
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)
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)
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;
return ret;
}
+int find_commit_subject(const char *commit_buffer, const char **subject)
+{
+ const char *eol;
+ const char *p = commit_buffer;
+
+ while (*p && (*p != '\n' || p[1] != '\n'))
+ p++;
+ if (*p) {
+ p += 2;
+ for (eol = p; *eol && *eol != '\n'; eol++)
+ ; /* do nothing */
+ } else
+ eol = p;
+
+ *subject = p;
+
+ return eol - p;
+}
+
struct commit_list *commit_list_insert(struct commit *item, struct commit_list **list_p)
{
struct commit_list *new_list = xmalloc(sizeof(struct commit_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;
@@ -355,11 +390,11 @@ 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;
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;
}
}
}
+void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark)
+{
+ struct object *object;
+ struct commit *commit;
+ unsigned int i;
+
+ for (i = 0; i < a->nr; i++) {
+ object = a->objects[i].item;
+ commit = lookup_commit_reference_gently(object->sha1, 1);
+ if (commit)
+ clear_commit_marks(commit, mark);
+ }
+}
+
struct commit *pop_commit(struct commit_list **stack)
{
struct commit_list *top = *stack;
/* process the list in topological order */
if (!lifo)
- sort_by_date(&work);
+ commit_list_sort_by_date(&work);
pptr = list;
*list = NULL;
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;
*/
if (--parent->indegree == 1) {
if (!lifo)
- insert_by_date(parent, &work);
+ commit_list_insert_by_date(parent, &work);
else
commit_list_insert(parent, &work);
}
@@ -554,10 +603,10 @@ 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)) {
@@ -575,7 +624,7 @@ 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;
@@ -589,7 +638,7 @@ 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);
}
}
@@ -599,7 +648,7 @@ 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;
}
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;
free(other);
return result;
}
+
+static const char commit_utf8_warn[] =
+"Warning: commit message does not conform to UTF-8.\n"
+"You may want to amend it after fixing the message, or set the config\n"
+"variable i18n.commitencoding to the encoding your project uses.\n";
+
+int commit_tree(const char *msg, unsigned char *tree,
+ struct commit_list *parents, unsigned char *ret,
+ const char *author)
+{
+ int result;
+ int encoding_is_utf8;
+ struct strbuf buffer;
+
+ assert_sha1_type(tree, OBJ_TREE);
+
+ /* Not having i18n.commitencoding is the same as having utf-8 */
+ encoding_is_utf8 = is_encoding_utf8(git_commit_encoding);
+
+ strbuf_init(&buffer, 8192); /* should avoid reallocs for the headers */
+ strbuf_addf(&buffer, "tree %s\n", sha1_to_hex(tree));
+
+ /*
+ * NOTE! This ordering means that the same exact tree merged with a
+ * different order of parents will be a _different_ changeset even
+ * if everything else stays the same.
+ */
+ while (parents) {
+ struct commit_list *next = parents->next;
+ strbuf_addf(&buffer, "parent %s\n",
+ sha1_to_hex(parents->item->object.sha1));
+ free(parents);
+ parents = next;
+ }
+
+ /* Person/date information */
+ if (!author)
+ author = git_author_info(IDENT_ERROR_ON_NO_NAME);
+ strbuf_addf(&buffer, "author %s\n", author);
+ strbuf_addf(&buffer, "committer %s\n", git_committer_info(IDENT_ERROR_ON_NO_NAME));
+ if (!encoding_is_utf8)
+ strbuf_addf(&buffer, "encoding %s\n", git_commit_encoding);
+ strbuf_addch(&buffer, '\n');
+
+ /* And add the comment */
+ strbuf_addstr(&buffer, msg);
+
+ /* And check the encoding */
+ if (encoding_is_utf8 && !is_utf8(buffer.buf))
+ fprintf(stderr, commit_utf8_warn);
+
+ result = write_sha1_file(buffer.buf, buffer.len, commit_type, ret);
+ strbuf_release(&buffer);
+ return result;
+}