undef/git-commit-vandalism
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Teach show-branch how to show ref-log data.

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Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-12-14 15:58:56 -08:00
parent ee6002aa42
commit 7e3fe904ef
1 changed files with 30 additions and 5 deletions
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29
builtin-show-branch.c
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@ -6,7 +6,7 @@
#include "builtin.h"
static const char show_branch_usage[] =
"git-show-branch [--sparse] [--current] [--all] [--heads] [--tags] [--topo-order] [--more=count | --list | --independent | --merge-base ] [--topics] [<refs>...]";
"git-show-branch [--sparse] [--current] [--all] [--heads] [--tags] [--topo-order] [--more=count | --list | --independent | --merge-base ] [--topics] [<refs>...] | --reflog[=n] <branch>";
static int default_num;
static int default_alloc;
@ -17,6 +17,8 @@ static const char **default_arg;
#define REV_SHIFT 2
#define MAX_REVS (FLAG_BITS - REV_SHIFT) /* should not exceed bits_per_int - REV_SHIFT */
#define DEFAULT_REFLOG 4
static struct commit *interesting(struct commit_list *list)
{
while (list) {
@ -570,6 +572,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
int head_at = -1;
int topics = 0;
int dense = 1;
int reflog = 0;
git_config(git_show_branch_config);
@ -615,6 +618,15 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
dense = 0;
else if (!strcmp(arg, "--date-order"))
lifo = 0;
else if (!strcmp(arg, "--reflog")) {
reflog = DEFAULT_REFLOG;
}
else if (!strncmp(arg, "--reflog=", 9)) {
char *end;
reflog = strtoul(arg + 9, &end, 10);
if (*end != '\0')
die("unrecognized reflog count '%s'", arg + 9);
}
else
usage(show_branch_usage);
ac--; av++;
@ -622,7 +634,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
ac--; av++;
/* Only one of these is allowed */
if (1 < independent + merge_base + (extra != 0))
if (1 < independent + merge_base + (extra != 0) + (!!reflog))
usage(show_branch_usage);
/* If nothing is specified, show all branches by default */
@ -631,10 +643,23 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
if (all_heads + all_tags)
snarf_refs(all_heads, all_tags);
if (reflog) {
int reflen;
if (!ac)
die("--reflog option needs one branch name");
reflen = strlen(*av);
for (i = 0; i < reflog; i++) {
char *name = xmalloc(reflen + 20);
sprintf(name, "%s@{%d}", *av, i);
append_one_rev(name);
}
}
else {
while (0 < ac) {
append_one_rev(*av);
ac--; av++;
}
}
head_p = resolve_ref("HEAD", head_sha1, 1, NULL);
if (head_p) {