#include "cache.h"
#include "commit.h"
+#include "epoch.h"
#define SEEN (1u << 0)
#define INTERESTING (1u << 1)
-#define UNINTERESTING (1u << 2)
+#define COUNTED (1u << 2)
static const char rev_list_usage[] =
"usage: git-rev-list [OPTION] commit-id <commit-id>\n"
" --max-age=epoch\n"
" --min-age=epoch\n"
" --header\n"
- " --pretty";
+ " --pretty\n"
+ " --merge-order [ --show-breaks ]";
+static int bisect_list = 0;
static int verbose_header = 0;
static int show_parents = 0;
-static int pretty_print = 0;
static int hdr_termination = 0;
static const char *prefix = "";
static unsigned long max_age = -1;
static unsigned long min_age = -1;
static int max_count = -1;
+static enum cmit_fmt commit_format = CMIT_FMT_RAW;
+static int merge_order = 0;
+static int show_breaks = 0;
static void show_commit(struct commit *commit)
{
+ if (show_breaks) {
+ prefix = "| ";
+ if (commit->object.flags & DISCONTINUITY) {
+ prefix = "^ ";
+ } else if (commit->object.flags & BOUNDARY) {
+ prefix = "= ";
+ }
+ }
printf("%s%s", prefix, sha1_to_hex(commit->object.sha1));
if (show_parents) {
struct commit_list *parents = commit->parents;
}
putchar('\n');
if (verbose_header) {
- const char *buf = commit->buffer;
- if (pretty_print) {
- static char pretty_header[16384];
- pretty_print_commit(commit->buffer, ~0, pretty_header, sizeof(pretty_header));
- buf = pretty_header;
- }
- printf("%s%c", buf, hdr_termination);
+ static char pretty_header[16384];
+ pretty_print_commit(commit_format, commit->buffer, ~0, pretty_header, sizeof(pretty_header));
+ printf("%s%c", pretty_header, hdr_termination);
+ }
+}
+
+static int filter_commit(struct commit * commit)
+{
+ if (commit->object.flags & UNINTERESTING)
+ return CONTINUE;
+ if (min_age != -1 && (commit->date > min_age))
+ return CONTINUE;
+ if (max_age != -1 && (commit->date < max_age))
+ return STOP;
+ if (max_count != -1 && !max_count--)
+ return STOP;
+
+ return DO;
+}
+
+static int process_commit(struct commit * commit)
+{
+ int action=filter_commit(commit);
+
+ if (action == STOP) {
+ return STOP;
+ }
+
+ if (action == CONTINUE) {
+ return CONTINUE;
}
+
+ show_commit(commit);
+
+ return CONTINUE;
}
static void show_commit_list(struct commit_list *list)
while (list) {
struct commit *commit = pop_most_recent_commit(&list, SEEN);
- if (commit->object.flags & UNINTERESTING)
- continue;
- if (min_age != -1 && (commit->date > min_age))
- continue;
- if (max_age != -1 && (commit->date < max_age))
- break;
- if (max_count != -1 && !max_count--)
+ if (process_commit(commit) == STOP)
break;
- show_commit(commit);
}
}
return 1;
}
+/*
+ * This is a truly stupid algorithm, but it's only
+ * used for bisection, and we just don't care enough.
+ *
+ * We care just barely enough to avoid recursing for
+ * non-merge entries.
+ */
+static int count_distance(struct commit_list *entry)
+{
+ int nr = 0;
+
+ while (entry) {
+ struct commit *commit = entry->item;
+ struct commit_list *p;
+
+ if (commit->object.flags & (UNINTERESTING | COUNTED))
+ break;
+ nr++;
+ commit->object.flags |= COUNTED;
+ p = commit->parents;
+ entry = p;
+ if (p) {
+ p = p->next;
+ while (p) {
+ nr += count_distance(p);
+ p = p->next;
+ }
+ }
+ }
+ return nr;
+}
+
+static void clear_distance(struct commit_list *list)
+{
+ while (list) {
+ struct commit *commit = list->item;
+ commit->object.flags &= ~COUNTED;
+ list = list->next;
+ }
+}
+
+static struct commit_list *find_bisection(struct commit_list *list)
+{
+ int nr, closest;
+ struct commit_list *p, *best;
+
+ nr = 0;
+ p = list;
+ while (p) {
+ nr++;
+ p = p->next;
+ }
+ closest = 0;
+ best = list;
+
+ p = list;
+ while (p) {
+ int distance = count_distance(p);
+ clear_distance(list);
+ if (nr - distance < distance)
+ distance = nr - distance;
+ if (distance > closest) {
+ best = p;
+ closest = distance;
+ }
+ p = p->next;
+ }
+ if (best)
+ best->next = NULL;
+ return best;
+}
+
struct commit_list *limit_list(struct commit_list *list)
{
struct commit_list *newlist = NULL;
}
p = &commit_list_insert(commit, p)->next;
} while (list);
+ if (bisect_list)
+ newlist = find_bisection(newlist);
return newlist;
}
+static enum cmit_fmt get_commit_format(const char *arg)
+{
+ if (!*arg)
+ return CMIT_FMT_DEFAULT;
+ if (!strcmp(arg, "=raw"))
+ return CMIT_FMT_RAW;
+ if (!strcmp(arg, "=medium"))
+ return CMIT_FMT_MEDIUM;
+ if (!strcmp(arg, "=short"))
+ return CMIT_FMT_SHORT;
+ usage(rev_list_usage);
+}
+
+
int main(int argc, char **argv)
{
struct commit_list *list = NULL;
verbose_header = 1;
continue;
}
- if (!strcmp(arg, "--pretty")) {
+ if (!strncmp(arg, "--pretty", 8)) {
+ commit_format = get_commit_format(arg+8);
verbose_header = 1;
- pretty_print = 1;
hdr_termination = '\n';
prefix = "commit ";
continue;
show_parents = 1;
continue;
}
+ if (!strcmp(arg, "--bisect")) {
+ bisect_list = 1;
+ continue;
+ }
+ if (!strncmp(arg, "--merge-order", 13)) {
+ merge_order = 1;
+ continue;
+ }
+ if (!strncmp(arg, "--show-breaks", 13)) {
+ show_breaks = 1;
+ continue;
+ }
flags = 0;
if (*arg == '^') {
arg++;
limited = 1;
}
- if (get_sha1(arg, sha1))
+ if (get_sha1(arg, sha1) || (show_breaks && !merge_order))
usage(rev_list_usage);
commit = lookup_commit_reference(sha1);
if (!commit || parse_commit(commit) < 0)
if (!list)
usage(rev_list_usage);
- if (limited)
- list = limit_list(list);
+ if (!merge_order) {
+ if (limited)
+ list = limit_list(list);
+ show_commit_list(list);
+ } else {
+ if (sort_list_in_merge_order(list, &process_commit)) {
+ die("merge order sort failed\n");
+ }
+ }
- show_commit_list(list);
return 0;
}
projects / git.git / blobdiff