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diff --git a/builtin-log.c b/builtin-log.c
index 197f6eec03df49d4fac044377afd8d0c50e90c81..99d69f079132ed67e2d5bc83bf95e6e60ba22f6f 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
static int default_show_root = 1;
static const char *fmt_patch_subject_prefix = "PATCH";
-/* this is in builtin-diff.c */
-void add_head(struct rev_info *revs);
-
static void add_name_decoration(const char *prefix, const char *name, struct object *obj)
{
int plen = strlen(prefix);
}
}
+/*
+ * This gives a rough estimate for how many commits we
+ * will print out in the list.
+ */
+static int estimate_commit_count(struct rev_info *rev, struct commit_list *list)
+{
+ int n = 0;
+
+ while (list) {
+ struct commit *commit = list->item;
+ unsigned int flags = commit->object.flags;
+ list = list->next;
+ if (!(flags & (TREESAME | UNINTERESTING)))
+ n++;
+ }
+ return n;
+}
+
+static void show_early_header(struct rev_info *rev, const char *stage, int nr)
+{
+ if (rev->shown_one) {
+ rev->shown_one = 0;
+ if (rev->commit_format != CMIT_FMT_ONELINE)
+ putchar(rev->diffopt.line_termination);
+ }
+ printf("Final output: %d %s\n", nr, stage);
+}
+
+struct itimerval early_output_timer;
+
+static void log_show_early(struct rev_info *revs, struct commit_list *list)
+{
+ int i = revs->early_output;
+ int show_header = 1;
+
+ sort_in_topological_order(&list, revs->lifo);
+ while (list && i) {
+ struct commit *commit = list->item;
+ switch (simplify_commit(revs, commit)) {
+ case commit_show:
+ if (show_header) {
+ int n = estimate_commit_count(revs, list);
+ show_early_header(revs, "incomplete", n);
+ show_header = 0;
+ }
+ log_tree_commit(revs, commit);
+ i--;
+ break;
+ case commit_ignore:
+ break;
+ case commit_error:
+ return;
+ }
+ list = list->next;
+ }
+
+ /* Did we already get enough commits for the early output? */
+ if (!i)
+ return;
+
+ /*
+ * ..if no, then repeat it twice a second until we
+ * do.
+ *
+ * NOTE! We don't use "it_interval", because if the
+ * reader isn't listening, we want our output to be
+ * throttled by the writing, and not have the timer
+ * trigger every second even if we're blocked on a
+ * reader!
+ */
+ early_output_timer.it_value.tv_sec = 0;
+ early_output_timer.it_value.tv_usec = 500000;
+ setitimer(ITIMER_REAL, &early_output_timer, NULL);
+}
+
+static void early_output(int signal)
+{
+ show_early_output = log_show_early;
+}
+
+static void setup_early_output(struct rev_info *rev)
+{
+ struct sigaction sa;
+
+ /*
+ * Set up the signal handler, minimally intrusively:
+ * we only set a single volatile integer word (not
+ * using sigatomic_t - trying to avoid unnecessary
+ * system dependencies and headers), and using
+ * SA_RESTART.
+ */
+ memset(&sa, 0, sizeof(sa));
+ sa.sa_handler = early_output;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = SA_RESTART;
+ sigaction(SIGALRM, &sa, NULL);
+
+ /*
+ * If we can get the whole output in less than a
+ * tenth of a second, don't even bother doing the
+ * early-output thing..
+ *
+ * This is a one-time-only trigger.
+ */
+ early_output_timer.it_value.tv_sec = 0;
+ early_output_timer.it_value.tv_usec = 100000;
+ setitimer(ITIMER_REAL, &early_output_timer, NULL);
+}
+
+static void finish_early_output(struct rev_info *rev)
+{
+ int n = estimate_commit_count(rev, rev->commits);
+ signal(SIGALRM, SIG_IGN);
+ show_early_header(rev, "done", n);
+}
+
static int cmd_log_walk(struct rev_info *rev)
{
struct commit *commit;
+ if (rev->early_output)
+ setup_early_output(rev);
+
prepare_revision_walk(rev);
+
+ if (rev->early_output)
+ finish_early_output(rev);
+
while ((commit = get_revision(rev)) != NULL) {
log_tree_commit(rev, commit);
if (!rev->reflog_info) {
{
if (!strcmp(var, "format.subjectprefix")) {
if (!value)
- die("format.subjectprefix without value");
+ config_error_nonbool(var);
fmt_patch_subject_prefix = xstrdup(value);
return 0;
}
return cmd_log_walk(&rev);
}
-static int show_object(const unsigned char *sha1, int suppress_header)
+static void show_tagger(char *buf, int len, struct rev_info *rev)
+{
+ char *email_end, *p;
+ unsigned long date;
+ int tz;
+
+ email_end = memchr(buf, '>', len);
+ if (!email_end)
+ return;
+ p = ++email_end;
+ while (isspace(*p))
+ p++;
+ date = strtoul(p, &p, 10);
+ while (isspace(*p))
+ p++;
+ tz = (int)strtol(p, NULL, 10);
+ printf("Tagger: %.*s\nDate: %s\n", (int)(email_end - buf), buf,
+ show_date(date, tz, rev->date_mode));
+}
+
+static int show_object(const unsigned char *sha1, int show_tag_object,
+ struct rev_info *rev)
{
unsigned long size;
enum object_type type;
if (!buf)
return error("Could not read object %s", sha1_to_hex(sha1));
- if (suppress_header)
- while (offset < size && buf[offset++] != '\n') {
- int new_offset = offset;
+ if (show_tag_object)
+ while (offset < size && buf[offset] != '\n') {
+ int new_offset = offset + 1;
while (new_offset < size && buf[new_offset++] != '\n')
; /* do nothing */
+ if (!prefixcmp(buf + offset, "tagger "))
+ show_tagger(buf + offset + 7,
+ new_offset - offset - 7, rev);
offset = new_offset;
}
const char *name = objects[i].name;
switch (o->type) {
case OBJ_BLOB:
- ret = show_object(o->sha1, 0);
+ ret = show_object(o->sha1, 0, NULL);
break;
case OBJ_TAG: {
struct tag *t = (struct tag *)o;
- printf("%stag %s%s\n\n",
+ printf("%stag %s%s\n",
diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
t->tag,
diff_get_color_opt(&rev.diffopt, DIFF_RESET));
- ret = show_object(o->sha1, 1);
+ ret = show_object(o->sha1, 1, &rev);
objects[i].item = (struct object *)t->tagged;
i--;
break;
}
if (!strcmp(var, "format.suffix")) {
if (!value)
- die("format.suffix without value");
+ return config_error_nonbool(var);
fmt_patch_suffix = xstrdup(value);
return 0;
}
return 0;
}
if (!strcmp(var, "format.numbered")) {
- if (!strcasecmp(value, "auto")) {
+ if (value && !strcasecmp(value, "auto")) {
auto_number = 1;
return 0;
}
-
numbered = git_config_bool(var, value);
return 0;
}
@@ -434,7 +577,7 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const cha
static void gen_message_id(char *dest, unsigned int length, char *base)
{
- const char *committer = git_committer_info(-1);
+ const char *committer = git_committer_info(IDENT_WARN_ON_NO_NAME);
const char *email_start = strrchr(committer, '<');
const char *email_end = strrchr(committer, '>');
if(!email_start || !email_end || email_start > email_end - 1)
!strcmp(argv[i], "-s")) {
const char *committer;
const char *endpos;
- committer = git_committer_info(1);
+ committer = git_committer_info(IDENT_ERROR_ON_NO_NAME);
endpos = strchr(committer, '>');
if (!endpos)
die("bogos committer info %s\n", committer);
* does not have.
*/
rev.pending.objects[0].item->flags |= UNINTERESTING;
- add_head(&rev);
+ add_head_to_pending(&rev);
}
/*
* Otherwise, it is "format-patch -22 HEAD", and/or