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-rw-r--r--Documentation/git-rev-parse.txt5
-rw-r--r--builtin-rev-parse.c8
-rwxr-xr-xt/t1502-rev-parse-parseopt.sh43
3 files changed, 52 insertions, 4 deletions
diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index 4bbdd056da..82045a2522 100644
--- 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 112d622cda..5ea7518b0f 100644
--- 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 997002d4c4..e504058062 100755
--- a/t/t1502-rev-parse-parseopt.sh
+++ b/t/t1502-rev-parse-parseopt.sh
@@ -20,8 +20,7 @@ Extras
EOF
-test_expect_success 'test --parseopt help output' '
- git rev-parse --parseopt -- -h 2> output.err <<EOF
+cat > optionspec << EOF
some-command [options] <args>...
some-command does foo and bar!
@@ -37,7 +36,47 @@ C? option C with an optional argument
Extras
extra1 line above used to cause a segfault but no longer does
EOF
+
+test_expect_success 'test --parseopt help output' '
+ git rev-parse --parseopt -- -h 2> output.err < optionspec
test_cmp expect.err output.err
'
+cat > expect <<EOF
+set -- --foo --bar 'ham' -- 'arg'
+EOF
+
+test_expect_success 'test --parseopt' '
+ git rev-parse --parseopt -- --foo --bar=ham arg < optionspec > output &&
+ test_cmp expect output
+'
+
+test_expect_success 'test --parseopt with mixed options and arguments' '
+ git rev-parse --parseopt -- --foo arg --bar=ham < optionspec > output &&
+ test_cmp expect output
+'
+
+cat > expect <<EOF
+set -- --foo -- 'arg' '--bar=ham'
+EOF
+
+test_expect_success 'test --parseopt with --' '
+ git rev-parse --parseopt -- --foo -- arg --bar=ham < optionspec > output &&
+ 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
+
+test_expect_success 'test --parseopt --keep-dashdash' '
+ git rev-parse --parseopt --keep-dashdash -- --foo -- arg --bar=ham < optionspec > output &&
+ test_cmp expect output
+'
+
test_done