#include "commit.h"
#include "refs.h"
#include "builtin.h"
+#include "color.h"
+#include "parse-options.h"
-static const char show_branch_usage[] =
-"git-show-branch [--sparse] [--current] [--all] [--remotes] [--topo-order] [--more=count | --list | --independent | --merge-base ] [--topics] [<refs>...] | --reflog[=n] <branch>";
+static const char* show_branch_usage[] = {
+ "git show-branch [-a|--all] [-r|--remotes] [--topo-order | --date-order] [--current] [--color | --no-color] [--sparse] [--more=<n> | --list | --independent | --merge-base] [--no-name | --sha1-name] [--topics] [<rev> | <glob>]...",
+ "git show-branch (-g|--reflog)[=<n>[,<base>]] [--list] [<ref>]",
+ NULL
+};
+
+static int showbranch_use_color = -1;
+static char column_colors[][COLOR_MAXLEN] = {
+ GIT_COLOR_RED,
+ GIT_COLOR_GREEN,
+ GIT_COLOR_YELLOW,
+ GIT_COLOR_BLUE,
+ GIT_COLOR_MAGENTA,
+ GIT_COLOR_CYAN,
+};
+
+#define COLUMN_COLORS_MAX (ARRAY_SIZE(column_colors))
static int default_num;
static int default_alloc;
#define DEFAULT_REFLOG 4
+static const char *get_color_code(int idx)
+{
+ if (showbranch_use_color)
+ return column_colors[idx];
+ return "";
+}
+
+static const char *get_color_reset_code(void)
+{
+ if (showbranch_use_color)
+ return GIT_COLOR_RESET;
+ return "";
+}
+
static struct commit *interesting(struct commit_list *list)
{
while (list) {
static void show_one_commit(struct commit *commit, int no_name)
{
- char pretty[256], *cp;
+ struct strbuf pretty = STRBUF_INIT;
+ const char *pretty_str = "(unavailable)";
struct commit_name *name = commit->util;
- if (commit->object.parsed)
- pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0,
- pretty, sizeof(pretty), 0, NULL, NULL, 0);
- else
- strcpy(pretty, "(unavailable)");
- if (!strncmp(pretty, "[PATCH] ", 8))
- cp = pretty + 8;
- else
- cp = pretty;
+
+ if (commit->object.parsed) {
+ pretty_print_commit(CMIT_FMT_ONELINE, commit,
+ &pretty, 0, NULL, NULL, 0, 0);
+ pretty_str = pretty.buf;
+ }
+ if (!prefixcmp(pretty_str, "[PATCH] "))
+ pretty_str += 8;
if (!no_name) {
if (name && name->head_name) {
printf("[%s] ",
find_unique_abbrev(commit->object.sha1, 7));
}
- puts(cp);
+ puts(pretty_str);
+ strbuf_release(&pretty);
}
static char *ref_name[MAX_REVS + 1];
return 0;
}
if (MAX_REVS <= ref_name_cnt) {
- fprintf(stderr, "warning: ignoring %s; "
- "cannot handle more than %d refs\n",
+ warning("ignoring %s; cannot handle more than %d refs",
refname, MAX_REVS);
return 0;
}
{
unsigned char tmp[20];
int ofs = 11;
- if (strncmp(refname, "refs/heads/", ofs))
+ if (prefixcmp(refname, "refs/heads/"))
return 0;
/* If both heads/foo and tags/foo exists, get_sha1 would
* get confused.
{
unsigned char tmp[20];
int ofs = 13;
- if (strncmp(refname, "refs/remotes/", ofs))
+ if (prefixcmp(refname, "refs/remotes/"))
return 0;
/* If both heads/foo and tags/foo exists, get_sha1 would
* get confused.
static int append_tag_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
- if (strncmp(refname, "refs/tags/", 10))
+ if (prefixcmp(refname, "refs/tags/"))
return 0;
return append_ref(refname + 5, sha1, 0);
}
return 0;
if (fnmatch(match_ref_pattern, tail, 0))
return 0;
- if (!strncmp("refs/heads/", refname, 11))
+ if (!prefixcmp(refname, "refs/heads/"))
return append_head_ref(refname, sha1, flag, cb_data);
- if (!strncmp("refs/tags/", refname, 10))
+ if (!prefixcmp(refname, "refs/tags/"))
return append_tag_ref(refname, sha1, flag, cb_data);
return append_ref(refname, sha1, 0);
}
if ((!head[0]) ||
(head_sha1 && sha1 && hashcmp(head_sha1, sha1)))
return 0;
- if (!strncmp(head, "refs/heads/", 11))
+ if (!prefixcmp(head, "refs/heads/"))
head += 11;
- if (!strncmp(name, "refs/heads/", 11))
+ if (!prefixcmp(name, "refs/heads/"))
name += 11;
- else if (!strncmp(name, "heads/", 6))
+ else if (!prefixcmp(name, "heads/"))
name += 6;
return !strcmp(head, name);
}
die("bad sha1 reference %s", av);
}
-static int git_show_branch_config(const char *var, const char *value)
+static int git_show_branch_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "showbranch.default")) {
- if (default_alloc <= default_num + 1) {
+ if (!value)
+ return config_error_nonbool(var);
+ /*
+ * default_arg is now passed to parse_options(), so we need to
+ * mimick the real argv a bit better.
+ */
+ if (!default_num) {
+ default_alloc = 20;
+ default_arg = xcalloc(default_alloc, sizeof(*default_arg));
+ default_arg[default_num++] = "show-branch";
+ } else if (default_alloc <= default_num + 1) {
default_alloc = default_alloc * 3 / 2 + 20;
default_arg = xrealloc(default_arg, sizeof *default_arg * default_alloc);
}
return 0;
}
- return git_default_config(var, value);
+ if (!strcmp(var, "color.showbranch")) {
+ showbranch_use_color = git_config_colorbool(var, value, -1);
+ return 0;
+ }
+
+ return git_color_default_config(var, value, cb);
}
static int omit_in_dense(struct commit *commit, struct commit **rev, int n)
return 0;
}
-static void parse_reflog_param(const char *arg, int *cnt, const char **base)
+static int reflog = 0;
+
+static int parse_reflog_param(const struct option *opt, const char *arg,
+ int unset)
{
char *ep;
- *cnt = strtoul(arg, &ep, 10);
+ const char **base = (const char **)opt->value;
+ if (!arg)
+ arg = "";
+ reflog = strtoul(arg, &ep, 10);
if (*ep == ',')
*base = ep + 1;
else if (*ep)
- die("unrecognized reflog param '%s'", arg + 9);
+ return error("unrecognized reflog param '%s'", arg);
else
*base = NULL;
- if (*cnt <= 0)
- *cnt = DEFAULT_REFLOG;
+ if (reflog <= 0)
+ reflog = DEFAULT_REFLOG;
+ return 0;
}
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;
const char *reflog_base = NULL;
-
- git_config(git_show_branch_config);
+ struct option builtin_show_branch_options[] = {
+ OPT_BOOLEAN('a', "all", &all_heads,
+ "show remote-tracking and local branches"),
+ OPT_BOOLEAN('r', "remotes", &all_remotes,
+ "show remote-tracking branches"),
+ OPT_BOOLEAN(0, "color", &showbranch_use_color,
+ "color '*!+-' corresponding to the branch"),
+ { OPTION_INTEGER, 0, "more", &extra, "n",
+ "show <n> more commits after the common ancestor",
+ PARSE_OPT_OPTARG, NULL, (intptr_t)1 },
+ OPT_SET_INT(0, "list", &extra, "synonym to more=-1", -1),
+ OPT_BOOLEAN(0, "no-name", &no_name, "suppress naming strings"),
+ OPT_BOOLEAN(0, "current", &with_current_branch,
+ "include the current branch"),
+ OPT_BOOLEAN(0, "sha1-name", &sha1_name,
+ "name commits with their object names"),
+ OPT_BOOLEAN(0, "merge-base", &merge_base,
+ "show possible merge bases"),
+ OPT_BOOLEAN(0, "independent", &independent,
+ "show refs unreachable from any other ref"),
+ OPT_BOOLEAN(0, "topo-order", &lifo,
+ "show commits in topological order"),
+ OPT_BOOLEAN(0, "topics", &topics,
+ "show only commits not on the first branch"),
+ OPT_SET_INT(0, "sparse", &dense,
+ "show merges reachable from only one tip", 0),
+ OPT_SET_INT(0, "date-order", &lifo,
+ "show commits where no parent comes before its "
+ "children", 0),
+ { OPTION_CALLBACK, 'g', "reflog", &reflog_base, "<n>[,<base>]",
+ "show <n> most recent ref-log entries starting at "
+ "base",
+ PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP,
+ parse_reflog_param },
+ OPT_END()
+ };
+
+ git_config(git_show_branch_config, NULL);
+
+ if (showbranch_use_color == -1)
+ showbranch_use_color = git_use_color_default;
/* 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] */
+ ac = default_num;
+ av = default_arg;
}
- while (1 < ac && av[1][0] == '-') {
- const char *arg = av[1];
- if (!strcmp(arg, "--")) {
- ac--; av++;
- break;
- }
- else if (!strcmp(arg, "--all") || !strcmp(arg, "-a"))
- all_heads = all_remotes = 1;
- else if (!strcmp(arg, "--remotes") || !strcmp(arg, "-r"))
- all_remotes = 1;
- else if (!strcmp(arg, "--more"))
- extra = 1;
- else if (!strcmp(arg, "--list"))
- 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))
- extra = atoi(arg + 7);
- else if (!strcmp(arg, "--merge-base"))
- merge_base = 1;
- else if (!strcmp(arg, "--independent"))
- independent = 1;
- else if (!strcmp(arg, "--topo-order"))
- 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 if (!strcmp(arg, "--reflog")) {
- reflog = DEFAULT_REFLOG;
- }
- else if (!strncmp(arg, "--reflog=", 9))
- parse_reflog_param(arg + 9, &reflog, &reflog_base);
- else
- usage(show_branch_usage);
- ac--; av++;
- }
- ac--; av++;
+ ac = parse_options(ac, av, prefix, builtin_show_branch_options,
+ show_branch_usage, PARSE_OPT_STOP_AT_NON_OPTION);
+ if (all_heads)
+ all_remotes = 1;
- if (!!extra || !!reflog) {
+ if (extra || reflog) {
/* "listing" mode is incompatible with
* independent nor merge-base modes.
*/
if (independent || merge_base)
- usage(show_branch_usage);
- if (!!reflog && (0 < extra))
+ usage_with_options(show_branch_usage,
+ builtin_show_branch_options);
+ if (reflog && ((0 < extra) || all_heads || all_remotes))
/*
* Asking for --more in reflog mode does not
- * make sense.
+ * make sense. --list is Ok.
+ *
+ * Also --all and --remotes do not make sense either.
*/
- usage(show_branch_usage);
+ die("--reflog is incompatible with --all, --remotes, "
+ "--independent or --merge-base");
}
/* If nothing is specified, show all branches by default */
if (ac + all_heads + all_remotes == 0)
all_heads = 1;
- if (all_heads + all_remotes)
- snarf_refs(all_heads, all_remotes);
if (reflog) {
unsigned char sha1[20];
char nth_desc[256];
char *ref;
int base = 0;
+
+ if (ac == 0) {
+ static const char *fake_av[2];
+ const char *refname;
+
+ refname = resolve_ref("HEAD", sha1, 1, NULL);
+ fake_av[0] = xstrdup(refname);
+ fake_av[1] = NULL;
+ av = fake_av;
+ ac = 1;
+ }
if (ac != 1)
die("--reflog option needs one branch name");
+
+ if (MAX_REVS < reflog)
+ die("Only %d entries can be shown at one time.",
+ MAX_REVS);
if (!dwim_ref(*av, strlen(*av), sha1, &ref))
die("No such ref %s", *av);
}
for (i = 0; i < reflog; i++) {
- char *logmsg, *msg, *m;
+ char *logmsg, *m;
+ const char *msg;
unsigned long timestamp;
int tz;
msg++;
m = xmalloc(strlen(msg) + 200);
sprintf(m, "(%s) %s",
- show_date(timestamp, 0, 1),
+ show_date(timestamp, tz, 1),
msg);
reflog_msg[i] = m;
free(logmsg);
append_ref(nth_desc, sha1, 1);
}
}
+ else if (all_heads + all_remotes)
+ snarf_refs(all_heads, all_remotes);
else {
while (0 < ac) {
append_one_rev(*av);
has_head++;
}
if (!has_head) {
- int pfxlen = strlen("refs/heads/");
- append_one_rev(head + pfxlen);
+ int offset = !prefixcmp(head, "refs/heads/") ? 11 : 0;
+ append_one_rev(head + offset);
}
}
else {
for (j = 0; j < i; j++)
putchar(' ');
- printf("%c [%s] ",
- is_head ? '*' : '!', ref_name[i]);
+ printf("%s%c%s [%s] ",
+ get_color_code(i % COLUMN_COLORS_MAX),
+ is_head ? '*' : '!',
+ get_color_reset_code(), ref_name[i]);
}
if (!reflog) {
mark = '*';
else
mark = '+';
- putchar(mark);
+ printf("%s%c%s",
+ get_color_code(i % COLUMN_COLORS_MAX),
+ mark, get_color_reset_code());
}
putchar(' ');
}