#include "refs.h"
static const char show_branch_usage[] =
-"git-show-branch [--all] [--heads] [--tags] [--topo-order] [--more=count | --list | --independent | --merge-base ] [<refs>...]";
+"git-show-branch [--dense] [--current] [--all] [--heads] [--tags] [--topo-order] [--more=count | --list | --independent | --merge-base ] [--topics] [<refs>...]";
+
+static int default_num = 0;
+static int default_alloc = 0;
+static char **default_arg = NULL;
#define UNINTERESTING 01
char pretty[256], *cp;
struct commit_name *name = commit->object.util;
if (commit->object.parsed)
- pretty_print_commit(CMIT_FMT_ONELINE, commit->buffer, ~0,
- pretty, sizeof(pretty));
+ pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0,
+ pretty, sizeof(pretty), 0);
else
strcpy(pretty, "(unavailable)");
if (!strncmp(pretty, "[PATCH] ", 8))
}
}
-static int rev_is_head(char *head_path, int headlen,
- char *name,
+static int rev_is_head(char *head_path, int headlen, char *name,
unsigned char *head_sha1, unsigned char *sha1)
{
int namelen;
- if ((!head_path[0]) || memcmp(head_sha1, sha1, 20))
+ if ((!head_path[0]) ||
+ (head_sha1 && sha1 && memcmp(head_sha1, sha1, 20)))
return 0;
namelen = strlen(name);
if ((headlen < namelen) ||
append_ref(av, revkey);
return;
}
- if (strchr(av, '*') || strchr(av, '?')) {
+ if (strchr(av, '*') || strchr(av, '?') || strchr(av, '[')) {
/* glob style match */
int saved_matches = ref_name_cnt;
match_ref_pattern = av;
die("bad sha1 reference %s", av);
}
+static int git_show_branch_config(const char *var, const char *value)
+{
+ if (!strcmp(var, "showbranch.default")) {
+ if (default_alloc <= default_num + 1) {
+ default_alloc = default_alloc * 3 / 2 + 20;
+ default_arg = xrealloc(default_arg, sizeof *default_arg * default_alloc);
+ }
+ default_arg[default_num++] = strdup(value);
+ default_arg[default_num] = NULL;
+ return 0;
+ }
+
+ return git_default_config(var, value);
+}
+
+static int omit_in_dense(struct commit *commit, struct commit **rev, int n)
+{
+ /* If the commit is tip of the named branches, do not
+ * omit it.
+ * Otherwise, if it is a merge that is reachable from only one
+ * tip, it is not that interesting.
+ */
+ int i, flag, count;
+ for (i = 0; i < n; i++)
+ if (rev[i] == commit)
+ return 0;
+ flag = commit->object.flags;
+ for (i = count = 0; i < n; i++) {
+ if (flag & (1u << (i + REV_SHIFT)))
+ count++;
+ }
+ if (count == 1)
+ return 1;
+ return 0;
+}
+
int main(int ac, char **av)
{
struct commit *rev[MAX_REVS], *commit;
int num_rev, i, extra = 0;
int all_heads = 0, all_tags = 0;
int all_mask, all_revs;
+ int lifo = 1;
char head_path[128];
const char *head_path_p;
int head_path_len;
int no_name = 0;
int sha1_name = 0;
int shown_merge_point = 0;
- int topo_order = 0;
+ int with_current_branch = 0;
+ int head_at = -1;
+ int topics = 0;
+ int dense = 1;
setup_git_directory();
+ git_config(git_show_branch_config);
+
+ /* If nothing is specified, try the default first */
+ if (ac == 1 && default_num) {
+ ac = default_num + 1;
+ av = default_arg - 1; /* ick; we would not address av[0] */
+ }
while (1 < ac && av[1][0] == '-') {
char *arg = av[1];
- if (!strcmp(arg, "--all"))
+ if (!strcmp(arg, "--")) {
+ ac--; av++;
+ break;
+ }
+ else if (!strcmp(arg, "--all"))
all_heads = all_tags = 1;
else if (!strcmp(arg, "--heads"))
all_heads = 1;
extra = -1;
else if (!strcmp(arg, "--no-name"))
no_name = 1;
+ else if (!strcmp(arg, "--current"))
+ with_current_branch = 1;
else if (!strcmp(arg, "--sha1-name"))
sha1_name = 1;
else if (!strncmp(arg, "--more=", 7))
else if (!strcmp(arg, "--independent"))
independent = 1;
else if (!strcmp(arg, "--topo-order"))
- topo_order = 1;
+ lifo = 1;
+ else if (!strcmp(arg, "--topics"))
+ topics = 1;
+ else if (!strcmp(arg, "--sparse"))
+ dense = 0;
+ else if (!strcmp(arg, "--date-order"))
+ lifo = 0;
else
usage(show_branch_usage);
ac--; av++;
ac--; av++;
}
+ head_path_p = resolve_ref(git_path("HEAD"), head_sha1, 1);
+ if (head_path_p) {
+ head_path_len = strlen(head_path_p);
+ memcpy(head_path, head_path_p, head_path_len + 1);
+ }
+ else {
+ head_path_len = 0;
+ head_path[0] = 0;
+ }
+
+ if (with_current_branch && head_path_p) {
+ int has_head = 0;
+ for (i = 0; !has_head && i < ref_name_cnt; i++) {
+ /* We are only interested in adding the branch
+ * HEAD points at.
+ */
+ if (rev_is_head(head_path,
+ head_path_len,
+ ref_name[i],
+ head_sha1, NULL))
+ has_head++;
+ }
+ if (!has_head) {
+ int pfxlen = strlen(git_path("refs/heads/"));
+ append_one_rev(head_path + pfxlen);
+ }
+ }
+
if (!ref_name_cnt) {
fprintf(stderr, "No revs to be shown.\n");
exit(0);
if (0 <= extra)
join_revs(&list, &seen, num_rev, extra);
- head_path_p = resolve_ref(git_path("HEAD"), head_sha1, 1);
- if (head_path_p) {
- head_path_len = strlen(head_path_p);
- memcpy(head_path, head_path_p, head_path_len + 1);
- }
- else {
- head_path_len = 0;
- head_path[0] = 0;
- }
-
if (merge_base)
return show_merge_base(seen, num_rev);
}
/* header lines never need name */
show_one_commit(rev[i], 1);
+ if (is_head)
+ head_at = i;
}
if (0 <= extra) {
for (i = 0; i < num_rev; i++)
exit(0);
/* Sort topologically */
- if (topo_order)
- sort_in_topological_order(&seen);
+ sort_in_topological_order(&seen, lifo);
/* Give names to commits */
if (!sha1_name && !no_name)
while (seen) {
struct commit *commit = pop_one_commit(&seen);
int this_flag = commit->object.flags;
+ int is_merge_point = ((this_flag & all_revs) == all_revs);
- shown_merge_point |= ((this_flag & all_revs) == all_revs);
+ shown_merge_point |= is_merge_point;
if (1 < num_rev) {
- for (i = 0; i < num_rev; i++)
- putchar((this_flag & (1u << (i + REV_SHIFT)))
- ? '+' : ' ');
+ int is_merge = !!(commit->parents &&
+ commit->parents->next);
+ if (topics &&
+ !is_merge_point &&
+ (this_flag & (1u << REV_SHIFT)))
+ continue;
+ if (dense && is_merge &&
+ omit_in_dense(commit, rev, num_rev))
+ continue;
+ for (i = 0; i < num_rev; i++) {
+ int mark;
+ if (!(this_flag & (1u << (i + REV_SHIFT))))
+ mark = ' ';
+ else if (is_merge)
+ mark = '-';
+ else if (i == head_at)
+ mark = '*';
+ else
+ mark = '+';
+ putchar(mark);
+ }
putchar(' ');
}
show_one_commit(commit, no_name);