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-rw-r--r--Documentation/git-rev-parse.txt4
-rw-r--r--builtin/rev-parse.c57
-rwxr-xr-xt/t1502-rev-parse-parseopt.sh99
3 files changed, 92 insertions, 68 deletions
diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index c483100e7..b6c6326cd 100644
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -311,8 +311,8 @@ Each line of options has this format:
`<opt-spec>`::
its format is the short option character, then the long option name
separated by a comma. Both parts are not required, though at least one
- is necessary. `h,help`, `dry-run` and `f` are all three correct
- `<opt-spec>`.
+ is necessary. May not contain any of the `<flags>` characters.
+ `h,help`, `dry-run` and `f` are examples of correct `<opt-spec>`.
`<flags>`::
`<flags>` are of `*`, `=`, `?` or `!`.
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index b6232390a..02d747dcb 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -371,6 +371,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
N_("output in stuck long form")),
OPT_END(),
};
+ static const char * const flag_chars = "*=?!";
struct strbuf sb = STRBUF_INIT, parsed = STRBUF_INIT;
const char **usage = NULL;
@@ -400,7 +401,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
/* parse: (<short>|<short>,<long>|<long>)[*=?!]*<arghint>? SP+ <help> */
while (strbuf_getline(&sb, stdin, '\n') != EOF) {
const char *s;
- const char *end;
+ const char *help;
struct option *o;
if (!sb.len)
@@ -410,54 +411,56 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
memset(opts + onb, 0, sizeof(opts[onb]));
o = &opts[onb++];
- s = strchr(sb.buf, ' ');
- if (!s || *sb.buf == ' ') {
+ help = strchr(sb.buf, ' ');
+ if (!help || *sb.buf == ' ') {
o->type = OPTION_GROUP;
o->help = xstrdup(skipspaces(sb.buf));
continue;
}
o->type = OPTION_CALLBACK;
- o->help = xstrdup(skipspaces(s));
+ o->help = xstrdup(skipspaces(help));
o->value = &parsed;
o->flags = PARSE_OPT_NOARG;
o->callback = &parseopt_dump;
- /* Possible argument name hint */
- end = s;
- while (s > sb.buf && strchr("*=?!", s[-1]) == NULL)
- --s;
- if (s != sb.buf && s != end)
- o->argh = xmemdupz(s, end - s);
- if (s == sb.buf)
- s = end;
-
- while (s > sb.buf && strchr("*=?!", s[-1])) {
- switch (*--s) {
+ /* name(s) */
+ s = strpbrk(sb.buf, flag_chars);
+ if (s == NULL)
+ s = help;
+
+ if (s - sb.buf == 1) /* short option only */
+ o->short_name = *sb.buf;
+ else if (sb.buf[1] != ',') /* long option only */
+ o->long_name = xmemdupz(sb.buf, s - sb.buf);
+ else {
+ o->short_name = *sb.buf;
+ o->long_name = xmemdupz(sb.buf + 2, s - sb.buf - 2);
+ }
+
+ /* flags */
+ while (s < help) {
+ switch (*s++) {
case '=':
o->flags &= ~PARSE_OPT_NOARG;
- break;
+ continue;
case '?':
o->flags &= ~PARSE_OPT_NOARG;
o->flags |= PARSE_OPT_OPTARG;
- break;
+ continue;
case '!':
o->flags |= PARSE_OPT_NONEG;
- break;
+ continue;
case '*':
o->flags |= PARSE_OPT_HIDDEN;
- break;
+ continue;
}
+ s--;
+ break;
}
- if (s - sb.buf == 1) /* short option only */
- o->short_name = *sb.buf;
- else if (sb.buf[1] != ',') /* long option only */
- o->long_name = xmemdupz(sb.buf, s - sb.buf);
- else {
- o->short_name = *sb.buf;
- o->long_name = xmemdupz(sb.buf + 2, s - sb.buf - 2);
- }
+ if (s < help)
+ o->argh = xmemdupz(s, help - s);
}
strbuf_release(&sb);
diff --git a/t/t1502-rev-parse-parseopt.sh b/t/t1502-rev-parse-parseopt.sh
index ebe7c3b87..310f93fd3 100755
--- a/t/t1502-rev-parse-parseopt.sh
+++ b/t/t1502-rev-parse-parseopt.sh
@@ -3,7 +3,40 @@
test_description='test git rev-parse --parseopt'
. ./test-lib.sh
-sed -e 's/^|//' >expect <<\END_EXPECT
+test_expect_success 'setup optionspec' '
+ sed -e "s/^|//" >optionspec <<\EOF
+|some-command [options] <args>...
+|
+|some-command does foo and bar!
+|--
+|h,help show the help
+|
+|foo some nifty option --foo
+|bar= some cool option --bar with an argument
+|b,baz a short and long option
+|
+| An option group Header
+|C? option C with an optional argument
+|d,data? short and long option with an optional argument
+|
+| Argument hints
+|B=arg short option required argument
+|bar2=arg long option required argument
+|e,fuz=with-space short and long option required argument
+|s?some short option optional argument
+|long?data long option optional argument
+|g,fluf?path short and long option optional argument
+|longest=very-long-argument-hint a very long argument hint
+|pair=key=value with an equals sign in the hint
+|short-hint=a with a one symbol hint
+|
+|Extras
+|extra1 line above used to cause a segfault but no longer does
+EOF
+'
+
+test_expect_success 'test --parseopt help output' '
+ sed -e "s/^|//" >expect <<\END_EXPECT &&
|cat <<\EOF
|usage: some-command [options] <args>...
|
@@ -28,49 +61,23 @@ sed -e 's/^|//' >expect <<\END_EXPECT
| -g, --fluf[=<path>] short and long option optional argument
| --longest <very-long-argument-hint>
| a very long argument hint
+| --pair <key=value> with an equals sign in the hint
+| --short-hint <a> with a one symbol hint
|
|Extras
| --extra1 line above used to cause a segfault but no longer does
|
|EOF
END_EXPECT
-
-sed -e 's/^|//' >optionspec <<\EOF
-|some-command [options] <args>...
-|
-|some-command does foo and bar!
-|--
-|h,help show the help
-|
-|foo some nifty option --foo
-|bar= some cool option --bar with an argument
-|b,baz a short and long option
-|
-| An option group Header
-|C? option C with an optional argument
-|d,data? short and long option with an optional argument
-|
-| Argument hints
-|B=arg short option required argument
-|bar2=arg long option required argument
-|e,fuz=with-space short and long option required argument
-|s?some short option optional argument
-|long?data long option optional argument
-|g,fluf?path short and long option optional argument
-|longest=very-long-argument-hint a very long argument hint
-|
-|Extras
-|extra1 line above used to cause a segfault but no longer does
-EOF
-
-test_expect_success 'test --parseopt help output' '
test_expect_code 129 git rev-parse --parseopt -- -h > output < optionspec &&
test_i18ncmp expect output
'
-cat > expect <<EOF
+test_expect_success 'setup expect.1' "
+ cat > expect <<EOF
set -- --foo --bar 'ham' -b -- 'arg'
EOF
+"
test_expect_success 'test --parseopt' '
git rev-parse --parseopt -- --foo --bar=ham --baz arg < optionspec > output &&
@@ -82,9 +89,11 @@ test_expect_success 'test --parseopt with mixed options and arguments' '
test_cmp expect output
'
-cat > expect <<EOF
+test_expect_success 'setup expect.2' "
+ 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 &&
@@ -96,54 +105,66 @@ test_expect_success 'test --parseopt --stop-at-non-option' '
test_cmp expect output
'
-cat > expect <<EOF
+test_expect_success 'setup expect.3' "
+ 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
'
-cat >expect <<EOF
+test_expect_success 'setup expect.4' "
+ cat >expect <<EOF
set -- --foo -- '--' 'arg' '--spam=ham'
EOF
+"
test_expect_success 'test --parseopt --keep-dashdash --stop-at-non-option with --' '
git rev-parse --parseopt --keep-dashdash --stop-at-non-option -- --foo -- arg --spam=ham <optionspec >output &&
test_cmp expect output
'
-cat > expect <<EOF
+test_expect_success 'setup expect.5' "
+ cat > expect <<EOF
set -- --foo -- 'arg' '--spam=ham'
EOF
+"
test_expect_success 'test --parseopt --keep-dashdash --stop-at-non-option without --' '
git rev-parse --parseopt --keep-dashdash --stop-at-non-option -- --foo arg --spam=ham <optionspec >output &&
test_cmp expect output
'
-cat > expect <<EOF
+test_expect_success 'setup expect.6' "
+ cat > expect <<EOF
set -- --foo --bar='z' --baz -C'Z' --data='A' -- 'arg'
EOF
+"
test_expect_success 'test --parseopt --stuck-long' '
git rev-parse --parseopt --stuck-long -- --foo --bar=z -b arg -CZ -dA <optionspec >output &&
test_cmp expect output
'
-cat > expect <<EOF
+test_expect_success 'setup expect.7' "
+ cat > expect <<EOF
set -- --data='' -C --baz -- 'arg'
EOF
+"
test_expect_success 'test --parseopt --stuck-long and empty optional argument' '
git rev-parse --parseopt --stuck-long -- --data= arg -C -b <optionspec >output &&
test_cmp expect output
'
-cat > expect <<EOF
+test_expect_success 'setup expect.8' "
+ cat > expect <<EOF
set -- --data --baz -- 'arg'
EOF
+"
test_expect_success 'test --parseopt --stuck-long and long option with unset optional argument' '
git rev-parse --parseopt --stuck-long -- --data arg -b <optionspec >output &&
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-17 16:21:48 +0000