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-rw-r--r--builtin/rev-parse.c202
1 files changed, 147 insertions, 55 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index ed200c8af1..85bad9052e 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -583,6 +583,75 @@ static void handle_ref_opt(const char *pattern, const char *prefix)
clear_ref_exclusion(&ref_excludes);
}
+enum format_type {
+ /* We would like a relative path. */
+ FORMAT_RELATIVE,
+ /* We would like a canonical absolute path. */
+ FORMAT_CANONICAL,
+ /* We would like the default behavior. */
+ FORMAT_DEFAULT,
+};
+
+enum default_type {
+ /* Our default is a relative path. */
+ DEFAULT_RELATIVE,
+ /* Our default is a relative path if there's a shared root. */
+ DEFAULT_RELATIVE_IF_SHARED,
+ /* Our default is a canonical absolute path. */
+ DEFAULT_CANONICAL,
+ /* Our default is not to modify the item. */
+ DEFAULT_UNMODIFIED,
+};
+
+static void print_path(const char *path, const char *prefix, enum format_type format, enum default_type def)
+{
+ char *cwd = NULL;
+ /*
+ * We don't ever produce a relative path if prefix is NULL, so set the
+ * prefix to the current directory so that we can produce a relative
+ * path whenever possible. If we're using RELATIVE_IF_SHARED mode, then
+ * we want an absolute path unless the two share a common prefix, so don't
+ * set it in that case, since doing so causes a relative path to always
+ * be produced if possible.
+ */
+ if (!prefix && (format != FORMAT_DEFAULT || def != DEFAULT_RELATIVE_IF_SHARED))
+ prefix = cwd = xgetcwd();
+ if (format == FORMAT_DEFAULT && def == DEFAULT_UNMODIFIED) {
+ puts(path);
+ } else if (format == FORMAT_RELATIVE ||
+ (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE)) {
+ /*
+ * In order for relative_path to work as expected, we need to
+ * make sure that both paths are absolute paths. If we don't,
+ * we can end up with an unexpected absolute path that the user
+ * didn't want.
+ */
+ struct strbuf buf = STRBUF_INIT, realbuf = STRBUF_INIT, prefixbuf = STRBUF_INIT;
+ if (!is_absolute_path(path)) {
+ strbuf_realpath_forgiving(&realbuf, path, 1);
+ path = realbuf.buf;
+ }
+ if (!is_absolute_path(prefix)) {
+ strbuf_realpath_forgiving(&prefixbuf, prefix, 1);
+ prefix = prefixbuf.buf;
+ }
+ puts(relative_path(path, prefix, &buf));
+ strbuf_release(&buf);
+ strbuf_release(&realbuf);
+ strbuf_release(&prefixbuf);
+ } else if (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE_IF_SHARED) {
+ struct strbuf buf = STRBUF_INIT;
+ puts(relative_path(path, prefix, &buf));
+ strbuf_release(&buf);
+ } else {
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_realpath_forgiving(&buf, path, 1);
+ puts(buf.buf);
+ strbuf_release(&buf);
+ }
+ free(cwd);
+}
+
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;
@@ -595,6 +664,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
struct object_context unused;
struct strbuf buf = STRBUF_INIT;
const int hexsz = the_hash_algo->hexsz;
+ int seen_end_of_options = 0;
+ enum format_type format = FORMAT_DEFAULT;
if (argc > 1 && !strcmp("--parseopt", argv[1]))
return cmd_parseopt(argc - 1, argv + 1, prefix);
@@ -622,21 +693,29 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
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]);
+ if (as_is) {
+ if (show_file(arg, output_prefix) && as_is < 2)
+ verify_filename(prefix, arg, 0);
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;
+
+ if (!seen_end_of_options) {
+ 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. */
@@ -646,41 +725,47 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
did_repo_setup = 1;
}
- if (!strcmp(arg, "--git-path")) {
- if (!argv[i + 1])
- die("--git-path requires an argument");
- strbuf_reset(&buf);
- puts(relative_path(git_path("%s", argv[i + 1]),
- prefix, &buf));
- i++;
- continue;
- }
- if (as_is) {
- if (show_file(arg, output_prefix) && as_is < 2)
- verify_filename(prefix, arg, 0);
- continue;
- }
- if (!strcmp(arg,"-n")) {
- if (++i >= argc)
- die("-n requires an argument");
- if ((filter & DO_FLAGS) && (filter & DO_REVS)) {
- show(arg);
- show(argv[i]);
- }
- continue;
- }
- if (starts_with(arg, "-n")) {
- if ((filter & DO_FLAGS) && (filter & DO_REVS))
- show(arg);
+ if (!strcmp(arg, "--")) {
+ as_is = 2;
+ /* Pass on the "--" if we show anything but files.. */
+ if (filter & (DO_FLAGS | DO_REVS))
+ show_file(arg, 0);
continue;
}
- if (*arg == '-') {
- if (!strcmp(arg, "--")) {
- as_is = 2;
- /* Pass on the "--" if we show anything but files.. */
- if (filter & (DO_FLAGS | DO_REVS))
- show_file(arg, 0);
+ if (!seen_end_of_options && *arg == '-') {
+ if (!strcmp(arg, "--git-path")) {
+ if (!argv[i + 1])
+ die("--git-path requires an argument");
+ strbuf_reset(&buf);
+ print_path(git_path("%s", argv[i + 1]), prefix,
+ format,
+ DEFAULT_RELATIVE_IF_SHARED);
+ i++;
+ continue;
+ }
+ if (!strcmp(arg,"-n")) {
+ if (++i >= argc)
+ die("-n requires an argument");
+ if ((filter & DO_FLAGS) && (filter & DO_REVS)) {
+ show(arg);
+ show(argv[i]);
+ }
+ continue;
+ }
+ if (starts_with(arg, "-n")) {
+ if ((filter & DO_FLAGS) && (filter & DO_REVS))
+ show(arg);
+ continue;
+ }
+ if (opt_with_value(arg, "--path-format", &arg)) {
+ if (!strcmp(arg, "absolute")) {
+ format = FORMAT_CANONICAL;
+ } else if (!strcmp(arg, "relative")) {
+ format = FORMAT_RELATIVE;
+ } else {
+ die("unknown argument to --path-format: %s", arg);
+ }
continue;
}
if (!strcmp(arg, "--default")) {
@@ -803,7 +888,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (!strcmp(arg, "--show-toplevel")) {
const char *work_tree = get_git_work_tree();
if (work_tree)
- puts(work_tree);
+ print_path(work_tree, prefix, format, DEFAULT_UNMODIFIED);
else
die("this operation must be run in a work tree");
continue;
@@ -811,7 +896,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (!strcmp(arg, "--show-superproject-working-tree")) {
struct strbuf superproject = STRBUF_INIT;
if (get_superproject_working_tree(&superproject))
- puts(superproject.buf);
+ print_path(superproject.buf, prefix, format, DEFAULT_UNMODIFIED);
strbuf_release(&superproject);
continue;
}
@@ -846,16 +931,18 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
char *cwd;
int len;
+ enum format_type wanted = format;
if (arg[2] == 'g') { /* --git-dir */
if (gitdir) {
- puts(gitdir);
+ print_path(gitdir, prefix, format, DEFAULT_UNMODIFIED);
continue;
}
if (!prefix) {
- puts(".git");
+ print_path(".git", prefix, format, DEFAULT_UNMODIFIED);
continue;
}
} else { /* --absolute-git-dir */
+ wanted = FORMAT_CANONICAL;
if (!gitdir && !prefix)
gitdir = ".git";
if (gitdir) {
@@ -868,14 +955,14 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
cwd = xgetcwd();
len = strlen(cwd);
- printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : "");
+ strbuf_reset(&buf);
+ strbuf_addf(&buf, "%s%s.git", cwd, len && cwd[len-1] != '/' ? "/" : "");
free(cwd);
+ print_path(buf.buf, prefix, wanted, DEFAULT_CANONICAL);
continue;
}
if (!strcmp(arg, "--git-common-dir")) {
- strbuf_reset(&buf);
- puts(relative_path(get_git_common_dir(),
- prefix, &buf));
+ print_path(get_git_common_dir(), prefix, format, DEFAULT_RELATIVE_IF_SHARED);
continue;
}
if (!strcmp(arg, "--is-inside-git-dir")) {
@@ -905,8 +992,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (the_index.split_index) {
const struct object_id *oid = &the_index.split_index->base_oid;
const char *path = git_path("sharedindex.%s", oid_to_hex(oid));
- strbuf_reset(&buf);
- puts(relative_path(path, prefix, &buf));
+ print_path(path, prefix, format, DEFAULT_RELATIVE);
}
continue;
}
@@ -937,6 +1023,12 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
puts(the_hash_algo->name);
continue;
}
+ if (!strcmp(arg, "--end-of-options")) {
+ seen_end_of_options = 1;
+ if (filter & (DO_FLAGS | DO_REVS))
+ show_file(arg, 0);
+ continue;
+ }
if (show_flag(arg) && verify)
die_no_single_rev(quiet);
continue;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 13:03:41 +0000