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-rw-r--r--builtin/rev-parse.c169
1 files changed, 104 insertions, 65 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 76cf05e2ad..ed8819b451 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -298,14 +298,30 @@ static int try_parent_shorthands(const char *arg)
unsigned char sha1[20];
struct commit *commit;
struct commit_list *parents;
- int parents_only;
-
- if ((dotdot = strstr(arg, "^!")))
- parents_only = 0;
- else if ((dotdot = strstr(arg, "^@")))
- parents_only = 1;
-
- if (!dotdot || dotdot[2])
+ int parent_number;
+ int include_rev = 0;
+ int include_parents = 0;
+ int exclude_parent = 0;
+
+ if ((dotdot = strstr(arg, "^!"))) {
+ include_rev = 1;
+ if (dotdot[2])
+ return 0;
+ } else if ((dotdot = strstr(arg, "^@"))) {
+ include_parents = 1;
+ if (dotdot[2])
+ return 0;
+ } else if ((dotdot = strstr(arg, "^-"))) {
+ include_rev = 1;
+ exclude_parent = 1;
+
+ if (dotdot[2]) {
+ char *end;
+ exclude_parent = strtoul(dotdot + 2, &end, 10);
+ if (*end != '\0' || !exclude_parent)
+ return 0;
+ }
+ } else
return 0;
*dotdot = 0;
@@ -314,12 +330,29 @@ static int try_parent_shorthands(const char *arg)
return 0;
}
- if (!parents_only)
- show_rev(NORMAL, sha1, arg);
commit = lookup_commit_reference(sha1);
- for (parents = commit->parents; parents; parents = parents->next)
- show_rev(parents_only ? NORMAL : REVERSED,
- parents->item->object.oid.hash, arg);
+ if (exclude_parent &&
+ exclude_parent > commit_list_count(commit->parents)) {
+ *dotdot = '^';
+ return 0;
+ }
+
+ if (include_rev)
+ show_rev(NORMAL, sha1, arg);
+ for (parents = commit->parents, parent_number = 1;
+ parents;
+ parents = parents->next, parent_number++) {
+ char *name = NULL;
+
+ if (exclude_parent && parent_number != exclude_parent)
+ continue;
+
+ if (symbolic)
+ name = xstrfmt("%s^%d", arg, parent_number);
+ show_rev(include_parents ? NORMAL : REVERSED,
+ parents->item->object.oid.hash, name);
+ free(name);
+ }
*dotdot = '^';
return 1;
@@ -502,6 +535,34 @@ N_("git rev-parse --parseopt [<options>] -- [<args>...]\n"
"\n"
"Run \"git rev-parse --parseopt -h\" for more information on the first usage.");
+/*
+ * Parse "opt" or "opt=<value>", setting value respectively to either
+ * NULL or the string after "=".
+ */
+static int opt_with_value(const char *arg, const char *opt, const char **value)
+{
+ if (skip_prefix(arg, opt, &arg)) {
+ if (!*arg) {
+ *value = NULL;
+ return 1;
+ }
+ if (*arg++ == '=') {
+ *value = arg;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static void handle_ref_opt(const char *pattern, const char *prefix)
+{
+ if (pattern)
+ for_each_glob_ref_in(show_reference, pattern, prefix, NULL);
+ else
+ for_each_ref_in(prefix, show_reference, NULL);
+ clear_ref_exclusion(&ref_excludes);
+}
+
int cmd_rev_parse(int argc, const char **argv, const char *prefix)
{
int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0;
@@ -638,13 +699,13 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
flags |= GET_SHA1_QUIETLY;
continue;
}
- if (!strcmp(arg, "--short") ||
- starts_with(arg, "--short=")) {
+ if (opt_with_value(arg, "--short", &arg)) {
filter &= ~(DO_FLAGS|DO_NOREV);
verify = 1;
abbrev = DEFAULT_ABBREV;
- if (arg[7] == '=')
- abbrev = strtoul(arg + 8, NULL, 10);
+ if (!arg)
+ continue;
+ abbrev = strtoul(arg, NULL, 10);
if (abbrev < MINIMUM_ABBREV)
abbrev = MINIMUM_ABBREV;
else if (40 <= abbrev)
@@ -667,17 +728,17 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
symbolic = SHOW_SYMBOLIC_FULL;
continue;
}
- if (starts_with(arg, "--abbrev-ref") &&
- (!arg[12] || arg[12] == '=')) {
+ if (opt_with_value(arg, "--abbrev-ref", &arg)) {
abbrev_ref = 1;
abbrev_ref_strict = warn_ambiguous_refs;
- if (arg[12] == '=') {
- if (!strcmp(arg + 13, "strict"))
+ if (arg) {
+ if (!strcmp(arg, "strict"))
abbrev_ref_strict = 1;
- else if (!strcmp(arg + 13, "loose"))
+ else if (!strcmp(arg, "loose"))
abbrev_ref_strict = 0;
else
- die("unknown mode for %s", arg);
+ die("unknown mode for --abbrev-ref: %s",
+ arg);
}
continue;
}
@@ -685,8 +746,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
for_each_ref(show_reference, NULL);
continue;
}
- if (starts_with(arg, "--disambiguate=")) {
- for_each_abbrev(arg + 15, show_abbrev, NULL);
+ if (skip_prefix(arg, "--disambiguate=", &arg)) {
+ for_each_abbrev(arg, show_abbrev, NULL);
continue;
}
if (!strcmp(arg, "--bisect")) {
@@ -694,46 +755,24 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
for_each_ref_in("refs/bisect/good", anti_reference, NULL);
continue;
}
- if (starts_with(arg, "--branches=")) {
- for_each_glob_ref_in(show_reference, arg + 11,
- "refs/heads/", NULL);
- clear_ref_exclusion(&ref_excludes);
- continue;
- }
- if (!strcmp(arg, "--branches")) {
- for_each_branch_ref(show_reference, NULL);
- clear_ref_exclusion(&ref_excludes);
- continue;
- }
- if (starts_with(arg, "--tags=")) {
- for_each_glob_ref_in(show_reference, arg + 7,
- "refs/tags/", NULL);
- clear_ref_exclusion(&ref_excludes);
- continue;
- }
- if (!strcmp(arg, "--tags")) {
- for_each_tag_ref(show_reference, NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (opt_with_value(arg, "--branches", &arg)) {
+ handle_ref_opt(arg, "refs/heads/");
continue;
}
- if (starts_with(arg, "--glob=")) {
- for_each_glob_ref(show_reference, arg + 7, NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (opt_with_value(arg, "--tags", &arg)) {
+ handle_ref_opt(arg, "refs/tags/");
continue;
}
- if (starts_with(arg, "--remotes=")) {
- for_each_glob_ref_in(show_reference, arg + 10,
- "refs/remotes/", NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (skip_prefix(arg, "--glob=", &arg)) {
+ handle_ref_opt(arg, NULL);
continue;
}
- if (!strcmp(arg, "--remotes")) {
- for_each_remote_ref(show_reference, NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (opt_with_value(arg, "--remotes", &arg)) {
+ handle_ref_opt(arg, "refs/remotes/");
continue;
}
- if (starts_with(arg, "--exclude=")) {
- add_ref_exclusion(&ref_excludes, arg + 10);
+ if (skip_prefix(arg, "--exclude=", &arg)) {
+ add_ref_exclusion(&ref_excludes, arg);
continue;
}
if (!strcmp(arg, "--show-toplevel")) {
@@ -815,20 +854,20 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
continue;
}
- if (starts_with(arg, "--since=")) {
- show_datestring("--max-age=", arg+8);
+ if (skip_prefix(arg, "--since=", &arg)) {
+ show_datestring("--max-age=", arg);
continue;
}
- if (starts_with(arg, "--after=")) {
- show_datestring("--max-age=", arg+8);
+ if (skip_prefix(arg, "--after=", &arg)) {
+ show_datestring("--max-age=", arg);
continue;
}
- if (starts_with(arg, "--before=")) {
- show_datestring("--min-age=", arg+9);
+ if (skip_prefix(arg, "--before=", &arg)) {
+ show_datestring("--min-age=", arg);
continue;
}
- if (starts_with(arg, "--until=")) {
- show_datestring("--min-age=", arg+8);
+ if (skip_prefix(arg, "--until=", &arg)) {
+ show_datestring("--min-age=", arg);
continue;
}
if (show_flag(arg) && verify)
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-02 13:02:10 +0000