parse-opt: make PARSE_OPT_STOP_AT_NON_OPTION available to git rev-parse

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index 4bbdd056da4ca5a3032b53afac820b86c74a54e4..82045a2522799ccf3a03479bf4f4cd1fa1809879 100644 (file)
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -30,6 +30,11 @@ OPTIONS
        Only meaningful in `--parseopt` mode. Tells the option parser to echo
        out the first `--` met instead of skipping it.
 
+--stop-at-non-option::
+       Only meaningful in `--parseopt` mode.  Lets the option parser stop at
+       the first non-option argument.  This can be used to parse sub-commands
+       that take options themself.
+
 --sq-quote::
        Use 'git-rev-parse' in shell quoting mode (see SQ-QUOTE
        section below). In contrast to the `--sq` option below, this

diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 112d622cda6f74f9752627d9adf3a1cdb04851c3..5ea7518b0f868c0cfb58840addeb360c15835c01 100644 (file)
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -301,7 +301,7 @@ static const char *skipspaces(const char *s)
 
 static int cmd_parseopt(int argc, const char **argv, const char *prefix)
 {
-       static int keep_dashdash = 0;
+       static int keep_dashdash = 0, stop_at_non_option = 0;
        static char const * const parseopt_usage[] = {
                "git rev-parse --parseopt [options] -- [<args>...]",
                NULL
@@ -309,6 +309,9 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
        static struct option parseopt_opts[] = {
                OPT_BOOLEAN(0, "keep-dashdash", &keep_dashdash,
                                        "keep the `--` passed as an arg"),
+               OPT_BOOLEAN(0, "stop-at-non-option", &stop_at_non_option,
+                                       "stop parsing after the "
+                                       "first non-option argument"),
                OPT_END(),
        };
 
@@ -394,7 +397,8 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
        ALLOC_GROW(opts, onb + 1, osz);
        memset(opts + onb, 0, sizeof(opts[onb]));
        argc = parse_options(argc, argv, prefix, opts, usage,
-                            keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0);
+                       keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0 |
+                       stop_at_non_option ? PARSE_OPT_STOP_AT_NON_OPTION : 0);
 
        strbuf_addf(&parsed, " --");
        sq_quote_argv(&parsed, argv, 0);

diff --git a/t/t1502-rev-parse-parseopt.sh b/t/t1502-rev-parse-parseopt.sh
index be0959e8a34aed0bb722a72207dd1f6b993132a0..e5040580626f4df6159c929c1ad54f085f03d830 100755 (executable)
--- a/t/t1502-rev-parse-parseopt.sh
+++ b/t/t1502-rev-parse-parseopt.sh
@@ -65,6 +65,11 @@ test_expect_success 'test --parseopt with --' '
        test_cmp expect output
 '
 
+test_expect_success 'test --parseopt --stop-at-non-option' '
+       git rev-parse --parseopt --stop-at-non-option -- --foo arg --bar=ham < optionspec > output &&
+       test_cmp expect output
+'
+
 cat > expect <<EOF
 set -- --foo -- '--' 'arg' '--bar=ham'
 EOF