typedef struct rev_name {
const char *tip_name;
+ timestamp_t taggerdate;
int generation;
int distance;
} rev_name;
#define MERGE_TRAVERSAL_WEIGHT 65535
static void name_rev(struct commit *commit,
- const char *tip_name, int generation, int distance,
+ const char *tip_name, timestamp_t taggerdate,
+ int generation, int distance,
int deref)
{
struct rev_name *name = (struct rev_name *)commit->util;
name = xmalloc(sizeof(rev_name));
commit->util = name;
goto copy_data;
- } else if (name->distance > distance) {
+ } else if (name->taggerdate > taggerdate ||
+ (name->taggerdate == taggerdate &&
+ name->distance > distance)) {
copy_data:
name->tip_name = tip_name;
+ name->taggerdate = taggerdate;
name->generation = generation;
name->distance = distance;
} else
parents;
parents = parents->next, parent_number++) {
if (parent_number > 1) {
- int len = strlen(tip_name);
- char *new_name = xmalloc(len +
- 1 + decimal_length(generation) + /* ~<n> */
- 1 + 2 + /* ^NN */
- 1);
-
- if (len > 2 && !strcmp(tip_name + len - 2, "^0"))
- len -= 2;
+ size_t len;
+ char *new_name;
+
+ strip_suffix(tip_name, "^0", &len);
if (generation > 0)
- sprintf(new_name, "%.*s~%d^%d", len, tip_name,
- generation, parent_number);
+ new_name = xstrfmt("%.*s~%d^%d", (int)len, tip_name,
+ generation, parent_number);
else
- sprintf(new_name, "%.*s^%d", len, tip_name,
- parent_number);
+ new_name = xstrfmt("%.*s^%d", (int)len, tip_name,
+ parent_number);
- name_rev(parents->item, new_name, 0,
+ name_rev(parents->item, new_name, taggerdate, 0,
distance + MERGE_TRAVERSAL_WEIGHT, 0);
} else {
- name_rev(parents->item, tip_name, generation + 1,
- distance + 1, 0);
+ name_rev(parents->item, tip_name, taggerdate,
+ generation + 1, distance + 1, 0);
}
}
}
struct name_ref_data {
int tags_only;
int name_only;
- const char *ref_filter;
+ struct string_list ref_filters;
+ struct string_list exclude_filters;
};
static struct tip_table {
struct name_ref_data *data = cb_data;
int can_abbreviate_output = data->tags_only && data->name_only;
int deref = 0;
+ timestamp_t taggerdate = TIME_MAX;
if (data->tags_only && !starts_with(path, "refs/tags/"))
return 0;
- if (data->ref_filter) {
- switch (subpath_matches(path, data->ref_filter)) {
- case -1: /* did not match */
- return 0;
- case 0: /* matched fully */
- break;
- default: /* matched subpath */
- can_abbreviate_output = 1;
- break;
+ if (data->exclude_filters.nr) {
+ struct string_list_item *item;
+
+ for_each_string_list_item(item, &data->exclude_filters) {
+ if (subpath_matches(path, item->string) >= 0)
+ return 0;
+ }
+ }
+
+ if (data->ref_filters.nr) {
+ struct string_list_item *item;
+ int matched = 0;
+
+ /* See if any of the patterns match. */
+ for_each_string_list_item(item, &data->ref_filters) {
+ /*
+ * Check all patterns even after finding a match, so
+ * that we can see if a match with a subpath exists.
+ * When a user asked for 'refs/tags/v*' and 'v1.*',
+ * both of which match, the user is showing her
+ * willingness to accept a shortened output by having
+ * the 'v1.*' in the acceptable refnames, so we
+ * shouldn't stop when seeing 'refs/tags/v1.4' matches
+ * 'refs/tags/v*'. We should show it as 'v1.4'.
+ */
+ switch (subpath_matches(path, item->string)) {
+ case -1: /* did not match */
+ break;
+ case 0: /* matched fully */
+ matched = 1;
+ break;
+ default: /* matched subpath */
+ matched = 1;
+ can_abbreviate_output = 1;
+ break;
+ }
}
+
+ /* If none of the patterns matched, stop now */
+ if (!matched)
+ return 0;
}
add_to_tip_table(oid->hash, path, can_abbreviate_output);
struct tag *t = (struct tag *) o;
if (!t->tagged)
break; /* broken repository */
- o = parse_object(t->tagged->sha1);
+ o = parse_object(t->tagged->oid.hash);
deref = 1;
+ taggerdate = t->date;
}
if (o && o->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *)o;
path = name_ref_abbrev(path, can_abbreviate_output);
- name_rev(commit, xstrdup(path), 0, 0, deref);
+ name_rev(commit, xstrdup(path), taggerdate, 0, 0, deref);
}
return 0;
}
return NULL;
if (!tip_table.sorted) {
- qsort(tip_table.table, tip_table.nr, sizeof(*tip_table.table),
- tipcmp);
+ QSORT(tip_table.table, tip_table.nr, tipcmp);
tip_table.sorted = 1;
}
- found = sha1_pos(o->sha1, tip_table.table, tip_table.nr,
+ found = sha1_pos(o->oid.hash, tip_table.table, tip_table.nr,
nth_tip_table_ent);
if (0 <= found)
return tip_table.table[found].refname;
return NULL;
}
-/* returns a static buffer */
-static const char *get_rev_name(const struct object *o)
+/* may return a constant string or use "buf" as scratch space */
+static const char *get_rev_name(const struct object *o, struct strbuf *buf)
{
- static char buffer[1024];
struct rev_name *n;
struct commit *c;
int len = strlen(n->tip_name);
if (len > 2 && !strcmp(n->tip_name + len - 2, "^0"))
len -= 2;
- snprintf(buffer, sizeof(buffer), "%.*s~%d", len, n->tip_name,
- n->generation);
-
- return buffer;
+ strbuf_reset(buf);
+ strbuf_addf(buf, "%.*s~%d", len, n->tip_name, n->generation);
+ return buf->buf;
}
}
int always, int allow_undefined, int name_only)
{
const char *name;
- const unsigned char *sha1 = obj->sha1;
+ const struct object_id *oid = &obj->oid;
+ struct strbuf buf = STRBUF_INIT;
if (!name_only)
- printf("%s ", caller_name ? caller_name : sha1_to_hex(sha1));
- name = get_rev_name(obj);
+ printf("%s ", caller_name ? caller_name : oid_to_hex(oid));
+ name = get_rev_name(obj, &buf);
if (name)
printf("%s\n", name);
else if (allow_undefined)
printf("undefined\n");
else if (always)
- printf("%s\n", find_unique_abbrev(sha1, DEFAULT_ABBREV));
+ printf("%s\n", find_unique_abbrev(oid->hash, DEFAULT_ABBREV));
else
- die("cannot describe '%s'", sha1_to_hex(sha1));
+ die("cannot describe '%s'", oid_to_hex(oid));
+ strbuf_release(&buf);
}
static char const * const name_rev_usage[] = {
static void name_rev_line(char *p, struct name_ref_data *data)
{
+ struct strbuf buf = STRBUF_INIT;
int forty = 0;
char *p_start;
for (p_start = p; *p; p++) {
struct object *o =
lookup_object(sha1);
if (o)
- name = get_rev_name(o);
+ name = get_rev_name(o, &buf);
}
*(p+1) = c;
/* flush */
if (p_start != p)
fwrite(p_start, p - p_start, 1, stdout);
+
+ strbuf_release(&buf);
}
int cmd_name_rev(int argc, const char **argv, const char *prefix)
{
struct object_array revs = OBJECT_ARRAY_INIT;
int all = 0, transform_stdin = 0, allow_undefined = 1, always = 0, peel_tag = 0;
- struct name_ref_data data = { 0, 0, NULL };
+ struct name_ref_data data = { 0, 0, STRING_LIST_INIT_NODUP, STRING_LIST_INIT_NODUP };
struct option opts[] = {
OPT_BOOL(0, "name-only", &data.name_only, N_("print only names (no SHA-1)")),
OPT_BOOL(0, "tags", &data.tags_only, N_("only use tags to name the commits")),
- OPT_STRING(0, "refs", &data.ref_filter, N_("pattern"),
+ OPT_STRING_LIST(0, "refs", &data.ref_filters, N_("pattern"),
N_("only use refs matching <pattern>")),
+ OPT_STRING_LIST(0, "exclude", &data.exclude_filters, N_("pattern"),
+ N_("ignore refs matching <pattern>")),
OPT_GROUP(""),
OPT_BOOL(0, "all", &all, N_("list all commits reachable from all refs")),
OPT_BOOL(0, "stdin", &transform_stdin, N_("read from stdin")),