status: support --porcelain[=<version>]

diff --git a/builtin/commit.c b/builtin/commit.c
index a792deb9bd8cb956595dd9b444d2c0f83b6c9175..185ac35d0235f9f458660ee8255e1433e3cfd0e8 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -144,6 +144,21 @@ static struct strbuf message = STRBUF_INIT;
 
 static enum wt_status_format status_format = STATUS_FORMAT_UNSPECIFIED;
 
+static int opt_parse_porcelain(const struct option *opt, const char *arg, int unset)
+{
+       enum wt_status_format *value = (enum wt_status_format *)opt->value;
+       if (unset)
+               *value = STATUS_FORMAT_NONE;
+       else if (!arg)
+               *value = STATUS_FORMAT_PORCELAIN;
+       else if (!strcmp(arg, "v1") || !strcmp(arg, "1"))
+               *value = STATUS_FORMAT_PORCELAIN;
+       else
+               die("unsupported porcelain version '%s'", arg);
+
+       return 0;
+}
+
 static int opt_parse_m(const struct option *opt, const char *arg, int unset)
 {
        struct strbuf *buf = opt->value;
@@ -1316,9 +1331,9 @@ int cmd_status(int argc, const char **argv, const char *prefix)
                            N_("show status concisely"), STATUS_FORMAT_SHORT),
                OPT_BOOL('b', "branch", &s.show_branch,
                         N_("show branch information")),
-               OPT_SET_INT(0, "porcelain", &status_format,
-                           N_("machine-readable output"),
-                           STATUS_FORMAT_PORCELAIN),
+               { OPTION_CALLBACK, 0, "porcelain", &status_format,
+                 N_("version"), N_("machine-readable output"),
+                 PARSE_OPT_OPTARG, opt_parse_porcelain },
                OPT_SET_INT(0, "long", &status_format,
                            N_("show status in long format (default)"),
                            STATUS_FORMAT_LONG),