#include "refs.h"
#include "revision.h"
#include "grep.h"
+#include "reflog-walk.h"
static char *path_name(struct name_path *path, const char *name)
{
void add_pending_object(struct rev_info *revs, struct object *obj, const char *name)
{
+ if (revs->no_walk && (obj->flags & UNINTERESTING))
+ die("object ranges do not make sense when not walking revisions");
add_object_array(obj, name, &revs->pending);
+ if (revs->reflog_info && obj->type == OBJ_COMMIT)
+ add_reflog_for_walk(revs->reflog_info,
+ (struct commit *)obj, name);
}
static struct object *get_reference(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags)
revs->commits = newlist;
}
-static int all_flags;
-static struct rev_info *all_revs;
+struct all_refs_cb {
+ int all_flags;
+ int warned_bad_reflog;
+ struct rev_info *all_revs;
+ const char *name_for_errormsg;
+};
static int handle_one_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
{
- struct object *object = get_reference(all_revs, path, sha1, all_flags);
- add_pending_object(all_revs, object, "");
+ struct all_refs_cb *cb = cb_data;
+ struct object *object = get_reference(cb->all_revs, path, sha1,
+ cb->all_flags);
+ add_pending_object(cb->all_revs, object, path);
return 0;
}
static void handle_all(struct rev_info *revs, unsigned flags)
{
- all_revs = revs;
- all_flags = flags;
- for_each_ref(handle_one_ref, NULL);
+ struct all_refs_cb cb;
+ cb.all_revs = revs;
+ cb.all_flags = flags;
+ for_each_ref(handle_one_ref, &cb);
+}
+
+static void handle_one_reflog_commit(unsigned char *sha1, void *cb_data)
+{
+ struct all_refs_cb *cb = cb_data;
+ if (!is_null_sha1(sha1)) {
+ struct object *o = parse_object(sha1);
+ if (o) {
+ o->flags |= cb->all_flags;
+ add_pending_object(cb->all_revs, o, "");
+ }
+ else if (!cb->warned_bad_reflog) {
+ warn("reflog of '%s' references pruned commits",
+ cb->name_for_errormsg);
+ cb->warned_bad_reflog = 1;
+ }
+ }
+}
+
+static int handle_one_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
+ const char *email, unsigned long timestamp, int tz,
+ const char *message, void *cb_data)
+{
+ handle_one_reflog_commit(osha1, cb_data);
+ handle_one_reflog_commit(nsha1, cb_data);
+ return 0;
+}
+
+static int handle_one_reflog(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+{
+ struct all_refs_cb *cb = cb_data;
+ cb->warned_bad_reflog = 0;
+ cb->name_for_errormsg = path;
+ for_each_reflog_ent(path, handle_one_reflog_ent, cb_data);
+ return 0;
+}
+
+static void handle_reflog(struct rev_info *revs, unsigned flags)
+{
+ struct all_refs_cb cb;
+ cb.all_revs = revs;
+ cb.all_flags = flags;
+ for_each_reflog(handle_one_reflog, &cb);
}
static int add_parents_only(struct rev_info *revs, const char *arg, int flags)
revs->prefix = prefix;
revs->max_age = -1;
revs->min_age = -1;
+ revs->skip_count = -1;
revs->max_count = -1;
revs->prune_fn = NULL;
const char *arg = argv[i];
if (*arg == '-') {
int opts;
- if (!strncmp(arg, "--max-count=", 12)) {
+ if (!prefixcmp(arg, "--max-count=")) {
revs->max_count = atoi(arg + 12);
continue;
}
+ if (!prefixcmp(arg, "--skip=")) {
+ revs->skip_count = atoi(arg + 7);
+ continue;
+ }
/* accept -<digit>, like traditional "head" */
if ((*arg == '-') && isdigit(arg[1])) {
revs->max_count = atoi(arg + 1);
revs->max_count = atoi(argv[++i]);
continue;
}
- if (!strncmp(arg,"-n",2)) {
+ if (!prefixcmp(arg, "-n")) {
revs->max_count = atoi(arg + 2);
continue;
}
- if (!strncmp(arg, "--max-age=", 10)) {
+ if (!prefixcmp(arg, "--max-age=")) {
revs->max_age = atoi(arg + 10);
continue;
}
- if (!strncmp(arg, "--since=", 8)) {
+ if (!prefixcmp(arg, "--since=")) {
revs->max_age = approxidate(arg + 8);
continue;
}
- if (!strncmp(arg, "--after=", 8)) {
+ if (!prefixcmp(arg, "--after=")) {
revs->max_age = approxidate(arg + 8);
continue;
}
- if (!strncmp(arg, "--min-age=", 10)) {
+ if (!prefixcmp(arg, "--min-age=")) {
revs->min_age = atoi(arg + 10);
continue;
}
- if (!strncmp(arg, "--before=", 9)) {
+ if (!prefixcmp(arg, "--before=")) {
revs->min_age = approxidate(arg + 9);
continue;
}
- if (!strncmp(arg, "--until=", 8)) {
+ if (!prefixcmp(arg, "--until=")) {
revs->min_age = approxidate(arg + 8);
continue;
}
handle_all(revs, flags);
continue;
}
+ if (!strcmp(arg, "--reflog")) {
+ handle_reflog(revs, flags);
+ continue;
+ }
+ if (!strcmp(arg, "-g") ||
+ !strcmp(arg, "--walk-reflogs")) {
+ init_reflog_walk(&revs->reflog_info);
+ continue;
+ }
if (!strcmp(arg, "--not")) {
flags ^= UNINTERESTING;
continue;
revs->num_ignore_packed = 0;
continue;
}
- if (!strncmp(arg, "--unpacked=", 11)) {
+ if (!prefixcmp(arg, "--unpacked=")) {
revs->unpacked = 1;
add_ignore_packed(revs, arg+11);
continue;
revs->verbose_header = 1;
continue;
}
- if (!strncmp(arg, "--pretty", 8)) {
+ if (!prefixcmp(arg, "--pretty")) {
revs->verbose_header = 1;
revs->commit_format = get_commit_format(arg+8);
continue;
revs->abbrev = DEFAULT_ABBREV;
continue;
}
- if (!strncmp(arg, "--abbrev=", 9)) {
+ if (!prefixcmp(arg, "--abbrev=")) {
revs->abbrev = strtoul(arg + 9, NULL, 10);
if (revs->abbrev < MINIMUM_ABBREV)
revs->abbrev = MINIMUM_ABBREV;
/*
* Grepping the commit log
*/
- if (!strncmp(arg, "--author=", 9)) {
+ if (!prefixcmp(arg, "--author=")) {
add_header_grep(revs, "author", arg+9);
continue;
}
- if (!strncmp(arg, "--committer=", 12)) {
+ if (!prefixcmp(arg, "--committer=")) {
add_header_grep(revs, "committer", arg+12);
continue;
}
- if (!strncmp(arg, "--grep=", 7)) {
+ if (!prefixcmp(arg, "--grep=")) {
add_message_grep(revs, arg+7);
continue;
}
all_match = 1;
continue;
}
+ if (!prefixcmp(arg, "--encoding=")) {
+ arg += 11;
+ if (strcmp(arg, "none"))
+ git_log_output_encoding = strdup(arg);
+ else
+ git_log_output_encoding = "";
+ continue;
+ }
+ if (!strcmp(arg, "--reverse")) {
+ revs->reverse ^= 1;
+ continue;
+ }
opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i);
if (opts > 0) {
void prepare_revision_walk(struct rev_info *revs)
{
int nr = revs->pending.nr;
- struct object_array_entry *list = revs->pending.objects;
+ struct object_array_entry *e, *list;
+ e = list = revs->pending.objects;
revs->pending.nr = 0;
revs->pending.alloc = 0;
revs->pending.objects = NULL;
while (--nr >= 0) {
- struct commit *commit = handle_commit(revs, list->item, list->name);
+ struct commit *commit = handle_commit(revs, e->item, e->name);
if (commit) {
if (!(commit->object.flags & SEEN)) {
commit->object.flags |= SEEN;
insert_by_date(commit, &revs->commits);
}
}
- list++;
+ e++;
}
+ free(list);
if (revs->no_walk)
return;
commit->buffer, strlen(commit->buffer));
}
-struct commit *get_revision(struct rev_info *revs)
+static struct commit *get_revision_1(struct rev_info *revs)
{
- struct commit_list *list = revs->commits;
-
- if (!list)
- return NULL;
-
- /* Check the max_count ... */
- switch (revs->max_count) {
- case -1:
- break;
- case 0:
+ if (!revs->commits)
return NULL;
- default:
- revs->max_count--;
- }
do {
struct commit_list *entry = revs->commits;
revs->commits = entry->next;
free(entry);
+ if (revs->reflog_info)
+ fake_reflog_parent(revs->reflog_info, commit);
+
/*
* If we haven't done the list limiting, we need to look at
* the parents here. We also need to do the date-based limiting
*/
if (!revs->limited) {
if (revs->max_age != -1 &&
- (commit->date < revs->max_age))
- continue;
- add_parents_to_list(revs, commit, &revs->commits);
+ (commit->date < revs->max_age)) {
+ if (revs->boundary)
+ commit->object.flags |=
+ BOUNDARY_SHOW | BOUNDARY;
+ else
+ continue;
+ } else
+ add_parents_to_list(revs, commit,
+ &revs->commits);
}
if (commit->object.flags & SHOWN)
continue;
} while (revs->commits);
return NULL;
}
+
+struct commit *get_revision(struct rev_info *revs)
+{
+ struct commit *c = NULL;
+
+ if (revs->reverse) {
+ struct commit_list *list;
+
+ /*
+ * rev_info.reverse is used to note the fact that we
+ * want to output the list of revisions in reverse
+ * order. To accomplish this goal, reverse can have
+ * different values:
+ *
+ * 0 do nothing
+ * 1 reverse the list
+ * 2 internal use: we have already obtained and
+ * reversed the list, now we only need to yield
+ * its items.
+ */
+
+ if (revs->reverse == 1) {
+ revs->reverse = 0;
+ list = NULL;
+ while ((c = get_revision(revs)))
+ commit_list_insert(c, &list);
+ revs->commits = list;
+ revs->reverse = 2;
+ }
+
+ if (!revs->commits)
+ return NULL;
+ c = revs->commits->item;
+ list = revs->commits->next;
+ free(revs->commits);
+ revs->commits = list;
+ return c;
+ }
+
+ if (0 < revs->skip_count) {
+ while ((c = get_revision_1(revs)) != NULL) {
+ if (revs->skip_count-- <= 0)
+ break;
+ }
+ }
+
+ /* Check the max_count ... */
+ switch (revs->max_count) {
+ case -1:
+ break;
+ case 0:
+ if (revs->boundary) {
+ struct commit_list *list = revs->commits;
+ while (list) {
+ list->item->object.flags |=
+ BOUNDARY_SHOW | BOUNDARY;
+ list = list->next;
+ }
+ /* all remaining commits are boundary commits */
+ revs->max_count = -1;
+ revs->limited = 1;
+ } else
+ return NULL;
+ default:
+ revs->max_count--;
+ }
+ if (c)
+ return c;
+ return get_revision_1(revs);
+}