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-rw-r--r--builtin/rev-parse.c316
1 files changed, 198 insertions, 118 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 76cf05e2ad..96d06a5d01 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -4,6 +4,7 @@
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
+#include "config.h"
#include "commit.h"
#include "refs.h"
#include "quote.h"
@@ -12,6 +13,7 @@
#include "diff.h"
#include "revision.h"
#include "split-index.h"
+#include "submodule.h"
#define DO_REVS 1
#define DO_NOREV 2
@@ -120,7 +122,7 @@ static void show_with_type(int type, const char *arg)
}
/* Output a revision, only if filter allows it */
-static void show_rev(int type, const unsigned char *sha1, const char *name)
+static void show_rev(int type, const struct object_id *oid, const char *name)
{
if (!(filter & DO_REVS))
return;
@@ -128,10 +130,10 @@ static void show_rev(int type, const unsigned char *sha1, const char *name)
if ((symbolic || abbrev_ref) && name) {
if (symbolic == SHOW_SYMBOLIC_FULL || abbrev_ref) {
- unsigned char discard[20];
+ struct object_id discard;
char *full;
- switch (dwim_ref(name, strlen(name), discard, &full)) {
+ switch (dwim_ref(name, strlen(name), &discard, &full)) {
case 0:
/*
* Not found -- not a ref. We could
@@ -157,9 +159,9 @@ static void show_rev(int type, const unsigned char *sha1, const char *name)
}
}
else if (abbrev)
- show_with_type(type, find_unique_abbrev(sha1, abbrev));
+ show_with_type(type, find_unique_abbrev(oid->hash, abbrev));
else
- show_with_type(type, sha1_to_hex(sha1));
+ show_with_type(type, oid_to_hex(oid));
}
/* Output a flag, only if filter allows it. */
@@ -179,11 +181,11 @@ static int show_default(void)
const char *s = def;
if (s) {
- unsigned char sha1[20];
+ struct object_id oid;
def = NULL;
- if (!get_sha1(s, sha1)) {
- show_rev(NORMAL, sha1, s);
+ if (!get_oid(s, &oid)) {
+ show_rev(NORMAL, &oid, s);
return 1;
}
}
@@ -194,31 +196,32 @@ static int show_reference(const char *refname, const struct object_id *oid, int
{
if (ref_excluded(ref_excludes, refname))
return 0;
- show_rev(NORMAL, oid->hash, refname);
+ show_rev(NORMAL, oid, refname);
return 0;
}
static int anti_reference(const char *refname, const struct object_id *oid, int flag, void *cb_data)
{
- show_rev(REVERSED, oid->hash, refname);
+ show_rev(REVERSED, oid, refname);
return 0;
}
-static int show_abbrev(const unsigned char *sha1, void *cb_data)
+static int show_abbrev(const struct object_id *oid, void *cb_data)
{
- show_rev(NORMAL, sha1, NULL);
+ show_rev(NORMAL, oid, NULL);
return 0;
}
static void show_datestring(const char *flag, const char *datestr)
{
- static char buffer[100];
+ char *buffer;
/* date handling requires both flags and revs */
if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS))
return;
- snprintf(buffer, sizeof(buffer), "%s%lu", flag, approxidate(datestr));
+ buffer = xstrfmt("%s%"PRItime, flag, approxidate(datestr));
show(buffer);
+ free(buffer);
}
static int show_file(const char *arg, int output_prefix)
@@ -227,9 +230,9 @@ 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;
@@ -240,8 +243,8 @@ static int show_file(const char *arg, int output_prefix)
static int try_difference(const char *arg)
{
char *dotdot;
- unsigned char sha1[20];
- unsigned char end[20];
+ struct object_id oid;
+ struct object_id end;
const char *next;
const char *this;
int symmetric;
@@ -271,18 +274,18 @@ static int try_difference(const char *arg)
return 0;
}
- if (!get_sha1_committish(this, sha1) && !get_sha1_committish(next, end)) {
- show_rev(NORMAL, end, next);
- show_rev(symmetric ? NORMAL : REVERSED, sha1, this);
+ if (!get_oid_committish(this, &oid) && !get_oid_committish(next, &end)) {
+ show_rev(NORMAL, &end, next);
+ show_rev(symmetric ? NORMAL : REVERSED, &oid, this);
if (symmetric) {
struct commit_list *exclude;
struct commit *a, *b;
- a = lookup_commit_reference(sha1);
- b = lookup_commit_reference(end);
+ a = lookup_commit_reference(&oid);
+ b = lookup_commit_reference(&end);
exclude = get_merge_bases(a, b);
while (exclude) {
struct commit *commit = pop_commit(&exclude);
- show_rev(REVERSED, commit->object.oid.hash, NULL);
+ show_rev(REVERSED, &commit->object.oid, NULL);
}
}
*dotdot = '.';
@@ -295,31 +298,64 @@ static int try_difference(const char *arg)
static int try_parent_shorthands(const char *arg)
{
char *dotdot;
- unsigned char sha1[20];
+ struct object_id oid;
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;
- if (get_sha1_committish(arg, sha1)) {
+ if (get_oid_committish(arg, &oid)) {
+ *dotdot = '^';
+ return 0;
+ }
+
+ commit = lookup_commit_reference(&oid);
+ if (exclude_parent &&
+ exclude_parent > commit_list_count(commit->parents)) {
*dotdot = '^';
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 (include_rev)
+ show_rev(NORMAL, &oid, 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, name);
+ free(name);
+ }
*dotdot = '^';
return 1;
@@ -351,6 +387,14 @@ static const char *skipspaces(const char *s)
return s;
}
+static char *findspace(const char *s)
+{
+ for (; *s; s++)
+ if (isspace(*s))
+ return (char*)s;
+ return NULL;
+}
+
static int cmd_parseopt(int argc, const char **argv, const char *prefix)
{
static int keep_dashdash = 0, stop_at_non_option = 0;
@@ -398,7 +442,7 @@ 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) != EOF) {
const char *s;
- const char *help;
+ char *help;
struct option *o;
if (!sb.len)
@@ -408,15 +452,17 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
memset(opts + onb, 0, sizeof(opts[onb]));
o = &opts[onb++];
- help = strchr(sb.buf, ' ');
- if (!help || *sb.buf == ' ') {
+ help = findspace(sb.buf);
+ if (!help || sb.buf == help) {
o->type = OPTION_GROUP;
o->help = xstrdup(skipspaces(sb.buf));
continue;
}
+ *help = '\0';
+
o->type = OPTION_CALLBACK;
- o->help = xstrdup(skipspaces(help));
+ o->help = xstrdup(skipspaces(help+1));
o->value = &parsed;
o->flags = PARSE_OPT_NOARG;
o->callback = &parseopt_dump;
@@ -470,7 +516,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
PARSE_OPT_SHELL_EVAL);
strbuf_addstr(&parsed, " --");
- sq_quote_argv(&parsed, argv, 0);
+ sq_quote_argv(&parsed, argv);
puts(parsed.buf);
return 0;
}
@@ -480,7 +526,7 @@ static int cmd_sq_quote(int argc, const char **argv)
struct strbuf buf = STRBUF_INIT;
if (argc)
- sq_quote_argv(&buf, argv, 0);
+ sq_quote_argv(&buf, argv);
printf("%s\n", buf.buf);
strbuf_release(&buf);
@@ -502,16 +548,45 @@ 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];
+ struct object_id oid;
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);
@@ -566,7 +641,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
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;
}
@@ -635,16 +712,16 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) {
quiet = 1;
- flags |= GET_SHA1_QUIETLY;
+ flags |= GET_OID_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 +744,17 @@ 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;
}
@@ -685,55 +762,33 @@ 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")) {
- for_each_ref_in("refs/bisect/bad", show_reference, NULL);
- 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);
+ for_each_fullref_in("refs/bisect/bad", show_reference, NULL, 0);
+ for_each_fullref_in("refs/bisect/good", anti_reference, NULL, 0);
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")) {
@@ -742,6 +797,12 @@ 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);
@@ -768,17 +829,27 @@ 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);
@@ -787,8 +858,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
continue;
}
if (!strcmp(arg, "--git-common-dir")) {
- const char *pfx = prefix ? prefix : "";
- puts(prefix_filename(pfx, strlen(pfx), get_git_common_dir()));
+ strbuf_reset(&buf);
+ puts(relative_path(get_git_common_dir(),
+ prefix, &buf));
continue;
}
if (!strcmp(arg, "--is-inside-git-dir")) {
@@ -806,29 +878,36 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
: "false");
continue;
}
+ if (!strcmp(arg, "--is-shallow-repository")) {
+ printf("%s\n", is_repository_shallow() ? "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)));
+ 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)
@@ -847,11 +926,11 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
name++;
type = REVERSED;
}
- if (!get_sha1_with_context(name, flags, sha1, &unused)) {
+ if (!get_oid_with_context(name, flags, &oid, &unused)) {
if (verify)
revs_count++;
else
- show_rev(type, sha1, name);
+ show_rev(type, &oid, name);
continue;
}
if (verify)
@@ -863,9 +942,10 @@ 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);
+ show_rev(type, &oid, name);
return 0;
} else if (revs_count == 0 && show_default())
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 08:22:21 +0000