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;
unsigned char sha1[20];
const char *name = NULL;
if (argc > 1 && !strcmp("--parseopt", argv[1]))
return cmd_parseopt(argc - 1, argv + 1, prefix);
if (argc > 1 && !strcmp("--sq-quote", argv[1]))
return cmd_sq_quote(argc - 2, argv + 2);
if (argc == 2 && !strcmp("--local-env-vars", argv[1])) {
int i;
for (i = 0; local_repo_env[i]; i++)
printf("%s\n", local_repo_env[i]);
return 0;
}
if (argc > 2 && !strcmp(argv[1], "--resolve-git-dir")) {
const char *gitdir = resolve_gitdir(argv[2]);
if (!gitdir)
die("not a gitdir '%s'", argv[2]);
puts(gitdir);
return 0;
}
if (argc > 1 && !strcmp("-h", argv[1]))
usage(builtin_rev_parse_usage);
prefix = setup_git_directory();
git_config(git_default_config, NULL);
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (as_is) {
if (show_file(arg) && 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 (!prefixcmp(arg, "-n")) {
if ((filter & DO_FLAGS) && (filter & DO_REVS))
show(arg);
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);
continue;
}
if (!strcmp(arg, "--default")) {
def = argv[i+1];
i++;
continue;
}
if (!strcmp(arg, "--revs-only")) {
filter &= ~DO_NOREV;
continue;
}
if (!strcmp(arg, "--no-revs")) {
filter &= ~DO_REVS;
continue;
}
if (!strcmp(arg, "--flags")) {
filter &= ~DO_NONFLAGS;
continue;
}
if (!strcmp(arg, "--no-flags")) {
filter &= ~DO_FLAGS;
continue;
}
if (!strcmp(arg, "--verify")) {
filter &= ~(DO_FLAGS|DO_NOREV);
verify = 1;
continue;
}
if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) {
quiet = 1;
continue;
}
if (!strcmp(arg, "--short") ||
!prefixcmp(arg, "--short=")) {
filter &= ~(DO_FLAGS|DO_NOREV);
verify = 1;
abbrev = DEFAULT_ABBREV;
if (arg[7] == '=')
abbrev = strtoul(arg + 8, NULL, 10);
if (abbrev < MINIMUM_ABBREV)
abbrev = MINIMUM_ABBREV;
else if (40 <= abbrev)
abbrev = 40;
continue;
}
if (!strcmp(arg, "--sq")) {
output_sq = 1;
continue;
}
if (!strcmp(arg, "--not")) {
show_type ^= REVERSED;
continue;
}
if (!strcmp(arg, "--symbolic")) {
symbolic = SHOW_SYMBOLIC_ASIS;
continue;
}
if (!strcmp(arg, "--symbolic-full-name")) {
symbolic = SHOW_SYMBOLIC_FULL;
continue;
}
if (!prefixcmp(arg, "--abbrev-ref") &&
(!arg[12] || arg[12] == '=')) {
abbrev_ref = 1;
abbrev_ref_strict = warn_ambiguous_refs;
if (arg[12] == '=') {
if (!strcmp(arg + 13, "strict"))
abbrev_ref_strict = 1;
else if (!strcmp(arg + 13, "loose"))
abbrev_ref_strict = 0;
else
die("unknown mode for %s", arg);
}
continue;
}
if (!strcmp(arg, "--all")) {
for_each_ref(show_reference, NULL);
continue;
}
if (!prefixcmp(arg, "--disambiguate=")) {
for_each_abbrev(arg + 15, show_abbrev, NULL);
continue;
}
if (!strcmp(arg, "--bisect")) {
for_each_ref_in("refs/bisect/bad", show_reference, NULL);
for_each_ref_in("refs/bisect/good", anti_reference, NULL);
continue;
}
if (!prefixcmp(arg, "--branches=")) {
for_each_glob_ref_in(show_reference, arg + 11,
"refs/heads/", NULL);
continue;
}
if (!strcmp(arg, "--branches")) {
for_each_branch_ref(show_reference, NULL);
continue;
}
if (!prefixcmp(arg, "--tags=")) {
for_each_glob_ref_in(show_reference, arg + 7,
"refs/tags/", NULL);
continue;
}
if (!strcmp(arg, "--tags")) {
for_each_tag_ref(show_reference, NULL);
continue;
}
if (!prefixcmp(arg, "--glob=")) {
for_each_glob_ref(show_reference, arg + 7, NULL);
continue;
}
if (!prefixcmp(arg, "--remotes=")) {
for_each_glob_ref_in(show_reference, arg + 10,
"refs/remotes/", NULL);
continue;
}
if (!strcmp(arg, "--remotes")) {
for_each_remote_ref(show_reference, NULL);
continue;
}
if (!strcmp(arg, "--show-toplevel")) {
const char *work_tree = get_git_work_tree();
if (work_tree)
puts(work_tree);
continue;
}
if (!strcmp(arg, "--show-prefix")) {
if (prefix)
puts(prefix);
else
putchar('\n');
continue;
}
if (!strcmp(arg, "--show-cdup")) {
const char *pfx = prefix;
if (!is_inside_work_tree()) {
const char *work_tree =
get_git_work_tree();
if (work_tree)
printf("%s\n", work_tree);
continue;
}
while (pfx) {
pfx = strchr(pfx, '/');
if (pfx) {
pfx++;
printf("../");
}
}
putchar('\n');
continue;
}
if (!strcmp(arg, "--git-dir")) {
const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
static char cwd[PATH_MAX];
int len;
if (gitdir) {
puts(gitdir);
continue;
}
if (!prefix) {
puts(".git");
continue;
}
if (!getcwd(cwd, PATH_MAX))
die_errno("unable to get current working directory");
len = strlen(cwd);
printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : "");
continue;
}
if (!strcmp(arg, "--is-inside-git-dir")) {
printf("%s\n", is_inside_git_dir() ? "true"
: "false");
continue;
}
if (!strcmp(arg, "--is-inside-work-tree")) {
printf("%s\n", is_inside_work_tree() ? "true"
: "false");
continue;
}
if (!strcmp(arg, "--is-bare-repository")) {
printf("%s\n", is_bare_repository() ? "true"
: "false");
continue;
}
if (!prefixcmp(arg, "--since=")) {
show_datestring("--max-age=", arg+8);
continue;
}
if (!prefixcmp(arg, "--after=")) {
show_datestring("--max-age=", arg+8);
continue;
}
if (!prefixcmp(arg, "--before=")) {
show_datestring("--min-age=", arg+9);
continue;
}
if (!prefixcmp(arg, "--until=")) {
show_datestring("--min-age=", arg+8);
continue;
}
if (show_flag(arg) && verify)
die_no_single_rev(quiet);
continue;
}
/* Not a flag argument */
if (try_difference(arg))
continue;
if (try_parent_shorthands(arg))
continue;
name = arg;
type = NORMAL;
if (*arg == '^') {
name++;
type = REVERSED;
}
if (!get_sha1(name, sha1)) {
if (verify)
revs_count++;
else
show_rev(type, sha1, name);
continue;
}
if (verify)
die_no_single_rev(quiet);
as_is = 1;
if (!show_file(arg))
continue;
verify_filename(prefix, arg, 1);
}
if (verify) {
if (revs_count == 1) {
show_rev(type, sha1, name);
return 0;
} else if (revs_count == 0 && show_default())
return 0;
die_no_single_rev(quiet);
} else
show_default();
return 0;
}
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;
if (argc > 1 && !strcmp("--parseopt", argv[1]))
return cmd_parseopt(argc - 1, argv + 1, prefix);
if (argc > 1 && !strcmp("--sq-quote", argv[1]))
return cmd_sq_quote(argc - 2, argv + 2);
if (argc > 1 && !strcmp("-h", argv[1]))
usage(builtin_rev_parse_usage);
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "--")) {
has_dashdash = 1;
break;
}
}
/* 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]));
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);
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);
continue;
}
if (!strcmp(arg, "--default")) {
def = argv[++i];
if (!def)
die("--default requires an argument");
continue;
}
if (!strcmp(arg, "--prefix")) {
prefix = argv[++i];
if (!prefix)
die("--prefix requires an argument");
startup_info->prefix = prefix;
output_prefix = 1;
continue;
}
if (!strcmp(arg, "--revs-only")) {
filter &= ~DO_NOREV;
continue;
}
if (!strcmp(arg, "--no-revs")) {
filter &= ~DO_REVS;
continue;
}
if (!strcmp(arg, "--flags")) {
filter &= ~DO_NONFLAGS;
continue;
}
if (!strcmp(arg, "--no-flags")) {
filter &= ~DO_FLAGS;
continue;
}
if (!strcmp(arg, "--verify")) {
filter &= ~(DO_FLAGS|DO_NOREV);
verify = 1;
continue;
}
if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) {
quiet = 1;
flags |= GET_SHA1_QUIETLY;
continue;
}
if (opt_with_value(arg, "--short", &arg)) {
filter &= ~(DO_FLAGS|DO_NOREV);
verify = 1;
abbrev = DEFAULT_ABBREV;
if (!arg)
continue;
abbrev = strtoul(arg, NULL, 10);
if (abbrev < MINIMUM_ABBREV)
abbrev = MINIMUM_ABBREV;
else if (40 <= abbrev)
abbrev = 40;
continue;
}
if (!strcmp(arg, "--sq")) {
output_sq = 1;
continue;
}
if (!strcmp(arg, "--not")) {
show_type ^= REVERSED;
continue;
}
if (!strcmp(arg, "--symbolic")) {
symbolic = SHOW_SYMBOLIC_ASIS;
continue;
}
if (!strcmp(arg, "--symbolic-full-name")) {
symbolic = SHOW_SYMBOLIC_FULL;
continue;
}
if (opt_with_value(arg, "--abbrev-ref", &arg)) {
abbrev_ref = 1;
abbrev_ref_strict = warn_ambiguous_refs;
if (arg) {
if (!strcmp(arg, "strict"))
abbrev_ref_strict = 1;
else if (!strcmp(arg, "loose"))
abbrev_ref_strict = 0;
else
die("unknown mode for --abbrev-ref: %s",
arg);
}
continue;
}
if (!strcmp(arg, "--all")) {
for_each_ref(show_reference, NULL);
continue;
}
if (skip_prefix(arg, "--disambiguate=", &arg)) {
for_each_abbrev(arg, show_abbrev, NULL);
continue;
}
if (!strcmp(arg, "--bisect")) {
for_each_ref_in("refs/bisect/bad", show_reference, NULL);
for_each_ref_in("refs/bisect/good", anti_reference, NULL);
continue;
}
if (opt_with_value(arg, "--branches", &arg)) {
handle_ref_opt(arg, "refs/heads/");
continue;
}
if (opt_with_value(arg, "--tags", &arg)) {
handle_ref_opt(arg, "refs/tags/");
continue;
}
if (skip_prefix(arg, "--glob=", &arg)) {
handle_ref_opt(arg, NULL);
continue;
}
if (opt_with_value(arg, "--remotes", &arg)) {
handle_ref_opt(arg, "refs/remotes/");
continue;
}
if (skip_prefix(arg, "--exclude=", &arg)) {
add_ref_exclusion(&ref_excludes, arg);
continue;
}
if (!strcmp(arg, "--show-toplevel")) {
const char *work_tree = get_git_work_tree();
if (work_tree)
puts(work_tree);
continue;
}
if (!strcmp(arg, "--show-prefix")) {
if (prefix)
puts(prefix);
else
putchar('\n');
continue;
}
if (!strcmp(arg, "--show-cdup")) {
const char *pfx = prefix;
if (!is_inside_work_tree()) {
const char *work_tree =
get_git_work_tree();
if (work_tree)
printf("%s\n", work_tree);
continue;
}
while (pfx) {
pfx = strchr(pfx, '/');
if (pfx) {
pfx++;
printf("../");
}
}
putchar('\n');
continue;
}
if (!strcmp(arg, "--git-dir")) {
const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
char *cwd;
int len;
if (gitdir) {
puts(gitdir);
continue;
}
if (!prefix) {
puts(".git");
continue;
}
cwd = xgetcwd();
len = strlen(cwd);
printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : "");
free(cwd);
continue;
}
if (!strcmp(arg, "--git-common-dir")) {
const char *pfx = prefix ? prefix : "";
puts(prefix_filename(pfx, strlen(pfx), get_git_common_dir()));
continue;
}
if (!strcmp(arg, "--is-inside-git-dir")) {
printf("%s\n", is_inside_git_dir() ? "true"
: "false");
continue;
}
if (!strcmp(arg, "--is-inside-work-tree")) {
printf("%s\n", is_inside_work_tree() ? "true"
: "false");
continue;
}
if (!strcmp(arg, "--is-bare-repository")) {
printf("%s\n", is_bare_repository() ? "true"
: "false");
continue;
}
if (!strcmp(arg, "--shared-index-path")) {
if (read_cache() < 0)
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)));
}
continue;
}
if (skip_prefix(arg, "--since=", &arg)) {
show_datestring("--max-age=", arg);
continue;
}
if (skip_prefix(arg, "--after=", &arg)) {
show_datestring("--max-age=", arg);
continue;
}
if (skip_prefix(arg, "--before=", &arg)) {
show_datestring("--min-age=", arg);
continue;
}
if (skip_prefix(arg, "--until=", &arg)) {
show_datestring("--min-age=", arg);
continue;
}
if (show_flag(arg) && verify)
die_no_single_rev(quiet);
continue;
}
/* Not a flag argument */
if (try_difference(arg))
continue;
if (try_parent_shorthands(arg))
continue;
name = arg;
type = NORMAL;
if (*arg == '^') {
name++;
type = REVERSED;
}
if (!get_sha1_with_context(name, flags, sha1, &unused)) {
if (verify)
revs_count++;
else
show_rev(type, sha1, name);
continue;
}
if (verify)
die_no_single_rev(quiet);
if (has_dashdash)
die("bad revision '%s'", arg);
as_is = 1;
if (!show_file(arg, output_prefix))
continue;
verify_filename(prefix, arg, 1);
}
if (verify) {
if (revs_count == 1) {
show_rev(type, sha1, name);
return 0;
} else if (revs_count == 0 && show_default())
return 0;
die_no_single_rev(quiet);
} else
show_default();
return 0;
}