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-rw-r--r--builtin/rev-parse.c278
1 files changed, 178 insertions, 100 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 7e074aad40..9e53a1a7ca 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -12,6 +12,7 @@
#include "diff.h"
#include "revision.h"
#include "split-index.h"
+#include "submodule.h"
#define DO_REVS 1
#define DO_NOREV 2
@@ -227,9 +228,9 @@ static int show_file(const char *arg, int output_prefix)
if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV)) {
if (output_prefix) {
const char *prefix = startup_info->prefix;
- show(prefix_filename(prefix,
- prefix ? strlen(prefix) : 0,
- arg));
+ char *fname = prefix_filename(prefix, arg);
+ show(fname);
+ free(fname);
} else
show(arg);
return 1;
@@ -298,14 +299,30 @@ 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 +331,29 @@ 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;
@@ -383,7 +417,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
/* get the usage up to the first line with a -- on it */
for (;;) {
- if (strbuf_getline(&sb, stdin, '\n') == EOF)
+ if (strbuf_getline(&sb, stdin) == EOF)
die("premature end of input");
ALLOC_GROW(usage, unb + 1, usz);
if (!strcmp("--", sb.buf)) {
@@ -396,7 +430,7 @@ 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) {
+ while (strbuf_getline(&sb, stdin) != EOF) {
const char *s;
const char *help;
struct option *o;
@@ -469,7 +503,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
(stop_at_non_option ? PARSE_OPT_STOP_AT_NON_OPTION : 0) |
PARSE_OPT_SHELL_EVAL);
- strbuf_addf(&parsed, " --");
+ strbuf_addstr(&parsed, " --");
sq_quote_argv(&parsed, argv, 0);
puts(parsed.buf);
return 0;
@@ -502,15 +536,45 @@ 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;
+ int did_repo_setup = 0;
int has_dashdash = 0;
int output_prefix = 0;
unsigned char sha1[20];
unsigned int flags = 0;
const char *name = NULL;
struct object_context unused;
+ struct strbuf buf = STRBUF_INIT;
if (argc > 1 && !strcmp("--parseopt", argv[1]))
return cmd_parseopt(argc - 1, argv + 1, prefix);
@@ -528,15 +592,46 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
}
- prefix = setup_git_directory();
- git_config(git_default_config, NULL);
+ /* No options; just report on whether we're in a git repo or not. */
+ if (argc == 1) {
+ setup_git_directory();
+ git_config(git_default_config, NULL);
+ return 0;
+ }
+
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
+ if (!strcmp(arg, "--local-env-vars")) {
+ int i;
+ for (i = 0; local_repo_env[i]; i++)
+ printf("%s\n", local_repo_env[i]);
+ continue;
+ }
+ if (!strcmp(arg, "--resolve-git-dir")) {
+ const char *gitdir = argv[++i];
+ if (!gitdir)
+ die("--resolve-git-dir requires an argument");
+ gitdir = resolve_gitdir(gitdir);
+ if (!gitdir)
+ die("not a gitdir '%s'", argv[i]);
+ puts(gitdir);
+ continue;
+ }
+
+ /* The rest of the options require a git repository. */
+ if (!did_repo_setup) {
+ prefix = setup_git_directory();
+ git_config(git_default_config, NULL);
+ did_repo_setup = 1;
+ }
+
if (!strcmp(arg, "--git-path")) {
if (!argv[i + 1])
die("--git-path requires an argument");
- puts(git_path("%s", argv[i + 1]));
+ strbuf_reset(&buf);
+ puts(relative_path(git_path("%s", argv[i + 1]),
+ prefix, &buf));
i++;
continue;
}
@@ -608,13 +703,13 @@ 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)
@@ -637,17 +732,17 @@ 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;
}
@@ -655,8 +750,8 @@ 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")) {
@@ -664,52 +759,24 @@ 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);
+ if (opt_with_value(arg, "--branches", &arg)) {
+ handle_ref_opt(arg, "refs/heads/");
continue;
}
- if (!strcmp(arg, "--tags")) {
- for_each_tag_ref(show_reference, NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (opt_with_value(arg, "--tags", &arg)) {
+ handle_ref_opt(arg, "refs/tags/");
continue;
}
- if (starts_with(arg, "--glob=")) {
- for_each_glob_ref(show_reference, arg + 7, NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (skip_prefix(arg, "--glob=", &arg)) {
+ handle_ref_opt(arg, NULL);
continue;
}
- if (starts_with(arg, "--remotes=")) {
- for_each_glob_ref_in(show_reference, arg + 10,
- "refs/remotes/", NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (opt_with_value(arg, "--remotes", &arg)) {
+ handle_ref_opt(arg, "refs/remotes/");
continue;
}
- if (!strcmp(arg, "--remotes")) {
- for_each_remote_ref(show_reference, NULL);
- clear_ref_exclusion(&ref_excludes);
- continue;
- }
- if (starts_with(arg, "--exclude=")) {
- add_ref_exclusion(&ref_excludes, arg + 10);
- continue;
- }
- if (!strcmp(arg, "--local-env-vars")) {
- int i;
- for (i = 0; local_repo_env[i]; i++)
- printf("%s\n", local_repo_env[i]);
+ if (skip_prefix(arg, "--exclude=", &arg)) {
+ add_ref_exclusion(&ref_excludes, arg);
continue;
}
if (!strcmp(arg, "--show-toplevel")) {
@@ -718,6 +785,12 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
puts(work_tree);
continue;
}
+ if (!strcmp(arg, "--show-superproject-working-tree")) {
+ const char *superproject = get_superproject_working_tree();
+ if (superproject)
+ puts(superproject);
+ continue;
+ }
if (!strcmp(arg, "--show-prefix")) {
if (prefix)
puts(prefix);
@@ -744,17 +817,27 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
putchar('\n');
continue;
}
- if (!strcmp(arg, "--git-dir")) {
+ if (!strcmp(arg, "--git-dir") ||
+ !strcmp(arg, "--absolute-git-dir")) {
const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
char *cwd;
int len;
- if (gitdir) {
- puts(gitdir);
- continue;
- }
- if (!prefix) {
- puts(".git");
- continue;
+ if (arg[2] == 'g') { /* --git-dir */
+ if (gitdir) {
+ puts(gitdir);
+ continue;
+ }
+ if (!prefix) {
+ puts(".git");
+ continue;
+ }
+ } else { /* --absolute-git-dir */
+ if (!gitdir && !prefix)
+ gitdir = ".git";
+ if (gitdir) {
+ puts(real_path(gitdir));
+ continue;
+ }
}
cwd = xgetcwd();
len = strlen(cwd);
@@ -763,17 +846,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
continue;
}
if (!strcmp(arg, "--git-common-dir")) {
- puts(get_git_common_dir());
- continue;
- }
- if (!strcmp(arg, "--resolve-git-dir")) {
- const char *gitdir = argv[++i];
- if (!gitdir)
- die("--resolve-git-dir requires an argument");
- gitdir = resolve_gitdir(gitdir);
- if (!gitdir)
- die("not a gitdir '%s'", argv[i]);
- puts(gitdir);
+ strbuf_reset(&buf);
+ puts(relative_path(get_git_common_dir(),
+ prefix, &buf));
continue;
}
if (!strcmp(arg, "--is-inside-git-dir")) {
@@ -796,24 +871,26 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
die(_("Could not read the index"));
if (the_index.split_index) {
const unsigned char *sha1 = the_index.split_index->base_sha1;
- puts(git_path("sharedindex.%s", sha1_to_hex(sha1)));
+ const char *path = git_path("sharedindex.%s", sha1_to_hex(sha1));
+ strbuf_reset(&buf);
+ puts(relative_path(path, prefix, &buf));
}
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)
@@ -848,6 +925,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
continue;
verify_filename(prefix, arg, 1);
}
+ strbuf_release(&buf);
if (verify) {
if (revs_count == 1) {
show_rev(type, sha1, name);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 06:01:08 +0000