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-rw-r--r--builtin-show-branch.c173
1 files changed, 107 insertions, 66 deletions
diff --git a/builtin-show-branch.c b/builtin-show-branch.c
index 233eed499d..01bea3b583 100644
--- a/builtin-show-branch.c
+++ b/builtin-show-branch.c
@@ -2,11 +2,26 @@
#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[,b]] <branch>";
-static const char show_branch_usage_reflog[] =
-"--reflog is incompatible with --all, --remotes, --independent or --merge-base";
+static const char* show_branch_usage[] = {
+ "git show-branch [--sparse] [--current] [--all] [--remotes] [--topo-order] [--more=count | --list | --independent | --merge-base] [--topics] [--color] [<refs>...]",
+ "--reflog[=n[,b]] [--list] [--color] <branch>",
+ 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;
@@ -19,6 +34,20 @@ static const char **default_arg;
#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) {
@@ -259,11 +288,10 @@ static void join_revs(struct commit_list **list_p,
static void show_one_commit(struct commit *commit, int no_name)
{
- struct strbuf pretty;
+ struct strbuf pretty = STRBUF_INIT;
const char *pretty_str = "(unavailable)";
struct commit_name *name = commit->util;
- strbuf_init(&pretty, 0);
if (commit->object.parsed) {
pretty_print_commit(CMIT_FMT_ONELINE, commit,
&pretty, 0, NULL, NULL, 0, 0);
@@ -366,8 +394,7 @@ static int append_ref(const char *refname, const unsigned char *sha1,
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;
}
@@ -547,7 +574,12 @@ static int git_show_branch_config(const char *var, const char *value, void *cb)
return 0;
}
- return git_default_config(var, value, cb);
+ 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)
@@ -571,18 +603,25 @@ 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)
@@ -608,70 +647,67 @@ 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;
+ 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,
+ "act like git merge-base -a"),
+ 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] */
}
- 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 (!prefixcmp(arg, "--more="))
- 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") || !strcmp(arg, "-g")) {
- reflog = DEFAULT_REFLOG;
- }
- else if (!prefixcmp(arg, "--reflog="))
- parse_reflog_param(arg + 9, &reflog, &reflog_base);
- else if (!prefixcmp(arg, "-g="))
- parse_reflog_param(arg + 3, &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) {
/* "listing" mode is incompatible with
* independent nor merge-base modes.
*/
if (independent || merge_base)
- usage(show_branch_usage);
+ 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
@@ -679,7 +715,8 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
*
* Also --all and --remotes do not make sense either.
*/
- usage(show_branch_usage_reflog);
+ die("--reflog is incompatible with --all, --remotes, "
+ "--independent or --merge-base");
}
/* If nothing is specified, show all branches by default */
@@ -845,8 +882,10 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
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) {
@@ -905,7 +944,9 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
mark = '*';
else
mark = '+';
- putchar(mark);
+ printf("%s%c%s",
+ get_color_code(i % COLUMN_COLORS_MAX),
+ mark, get_color_reset_code());
}
putchar(' ');
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 22:56:56 +0000