const char *commit_type = "commit";
-static struct commit *check_commit(struct object *obj,
- const unsigned char *sha1,
- int quiet)
-{
- if (obj->type != OBJ_COMMIT) {
- if (!quiet)
- error("Object %s is a %s, not a commit",
- sha1_to_hex(sha1), typename(obj->type));
- return NULL;
- }
- return (struct commit *) obj;
-}
-
struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
int quiet)
{
if (!obj)
return NULL;
- return check_commit(obj, sha1, quiet);
+ return object_as_type(obj, OBJ_COMMIT, quiet);
}
struct commit *lookup_commit_reference(const unsigned char *sha1)
struct commit *lookup_commit(const unsigned char *sha1)
{
struct object *obj = lookup_object(sha1);
- if (!obj) {
- struct commit *c = alloc_commit_node();
- return create_object(sha1, OBJ_COMMIT, c);
- }
- if (!obj->type)
- obj->type = OBJ_COMMIT;
- return check_commit(obj, sha1, 0);
+ if (!obj)
+ return create_object(sha1, alloc_commit_node());
+ return object_as_type(obj, OBJ_COMMIT, 0);
}
struct commit *lookup_commit_reference_by_name(const char *name)
static void record_author_date(struct author_date_slab *author_date,
struct commit *commit)
{
- const char *buf, *line_end, *ident_line;
const char *buffer = get_commit_buffer(commit, NULL);
struct ident_split ident;
+ const char *ident_line;
+ size_t ident_len;
char *date_end;
unsigned long date;
- for (buf = buffer; buf; buf = line_end + 1) {
- line_end = strchrnul(buf, '\n');
- if (!skip_prefix(buf, "author ", &ident_line)) {
- if (!line_end[0] || line_end[1] == '\n')
- return; /* end of header */
- continue;
- }
- if (split_ident_line(&ident,
- ident_line, line_end - ident_line) ||
- !ident.date_begin || !ident.date_end)
- goto fail_exit; /* malformed "author" line */
- break;
- }
+ ident_line = find_commit_header(buffer, "author", &ident_len);
+ if (!ident_line)
+ goto fail_exit; /* no author line */
+ if (split_ident_line(&ident, ident_line, ident_len) ||
+ !ident.date_begin || !ident.date_end)
+ goto fail_exit; /* malformed "author" line */
date = strtoul(ident.date_begin, &date_end, 10);
if (date_end != ident.date_end)
static const unsigned all_flags = (PARENT1 | PARENT2 | STALE | RESULT);
-static struct commit *interesting(struct commit_list *list)
+static int queue_has_nonstale(struct prio_queue *queue)
{
- while (list) {
- struct commit *commit = list->item;
- list = list->next;
- if (commit->object.flags & STALE)
- continue;
- return commit;
+ int i;
+ for (i = 0; i < queue->nr; i++) {
+ struct commit *commit = queue->array[i].data;
+ if (!(commit->object.flags & STALE))
+ return 1;
}
- return NULL;
+ return 0;
}
/* all input commits in one and twos[] must have been parsed! */
static struct commit_list *paint_down_to_common(struct commit *one, int n, struct commit **twos)
{
- struct commit_list *list = NULL;
+ struct prio_queue queue = { compare_commits_by_commit_date };
struct commit_list *result = NULL;
int i;
one->object.flags |= PARENT1;
- commit_list_insert_by_date(one, &list);
- if (!n)
- return list;
+ if (!n) {
+ commit_list_append(one, &result);
+ return result;
+ }
+ prio_queue_put(&queue, one);
+
for (i = 0; i < n; i++) {
twos[i]->object.flags |= PARENT2;
- commit_list_insert_by_date(twos[i], &list);
+ prio_queue_put(&queue, twos[i]);
}
- while (interesting(list)) {
- struct commit *commit;
+ while (queue_has_nonstale(&queue)) {
+ struct commit *commit = prio_queue_get(&queue);
struct commit_list *parents;
- struct commit_list *next;
int flags;
- commit = list->item;
- next = list->next;
- free(list);
- list = next;
-
flags = commit->object.flags & (PARENT1 | PARENT2 | STALE);
if (flags == (PARENT1 | PARENT2)) {
if (!(commit->object.flags & RESULT)) {
if (parse_commit(p))
return NULL;
p->object.flags |= flags;
- commit_list_insert_by_date(p, &list);
+ prio_queue_put(&queue, p);
}
}
- free_commit_list(list);
+ clear_prio_queue(&queue);
return result;
}
return saw_signature;
}
+int remove_signature(struct strbuf *buf)
+{
+ const char *line = buf->buf;
+ const char *tail = buf->buf + buf->len;
+ int in_signature = 0;
+ const char *sig_start = NULL;
+ const char *sig_end = NULL;
+
+ while (line < tail) {
+ const char *next = memchr(line, '\n', tail - line);
+ next = next ? next + 1 : tail;
+
+ if (in_signature && line[0] == ' ')
+ sig_end = next;
+ else if (starts_with(line, gpg_sig_header) &&
+ line[gpg_sig_header_len] == ' ') {
+ sig_start = line;
+ sig_end = next;
+ in_signature = 1;
+ } else {
+ if (*line == '\n')
+ /* dump the whole remainder of the buffer */
+ next = tail;
+ in_signature = 0;
+ }
+ line = next;
+ }
+
+ if (sig_start)
+ strbuf_remove(buf, sig_start - buf->buf, sig_end - sig_start);
+
+ return sig_start != NULL;
+}
+
static void handle_signed_tag(struct commit *parent, struct commit_extra_header ***tail)
{
struct merge_remote_desc *desc;
}
}
-void check_commit_signature(const struct commit* commit, struct signature_check *sigc)
+void check_commit_signature(const struct commit *commit, struct signature_check *sigc)
{
struct strbuf payload = STRBUF_INIT;
struct strbuf signature = STRBUF_INIT;
&gpg_output, &gpg_status);
if (status && !gpg_output.len)
goto out;
+ sigc->payload = strbuf_detach(&payload, NULL);
sigc->gpg_output = strbuf_detach(&gpg_output, NULL);
sigc->gpg_status = strbuf_detach(&gpg_status, NULL);
parse_gpg_output(sigc);
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)) ||
printf(format, sha1_to_hex(list->item->object.sha1));
}
}
+
+const char *find_commit_header(const char *msg, const char *key, size_t *out_len)
+{
+ int key_len = strlen(key);
+ const char *line = msg;
+
+ while (line) {
+ const char *eol = strchrnul(line, '\n');
+
+ if (line == eol)
+ return NULL;
+
+ if (eol - line > key_len &&
+ !strncmp(line, key, key_len) &&
+ line[key_len] == ' ') {
+ *out_len = eol - line - key_len - 1;
+ return line + key_len + 1;
+ }
+ line = *eol ? eol + 1 : NULL;
+ }
+ return NULL;
+}