summaryrefslogtreecommitdiff
path: root/builtin/rev-parse.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin/rev-parse.c')
-rw-r--r--builtin/rev-parse.c147
1 files changed, 94 insertions, 53 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index ed8819b451..74aa644cbb 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 = '.';
@@ -295,7 +298,7 @@ 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 parent_number;
@@ -325,12 +328,12 @@ static int try_parent_shorthands(const char *arg)
return 0;
*dotdot = 0;
- if (get_sha1_committish(arg, sha1)) {
+ if (get_oid_committish(arg, &oid)) {
*dotdot = '^';
return 0;
}
- commit = lookup_commit_reference(sha1);
+ commit = lookup_commit_reference(&oid);
if (exclude_parent &&
exclude_parent > commit_list_count(commit->parents)) {
*dotdot = '^';
@@ -338,7 +341,7 @@ static int try_parent_shorthands(const char *arg)
}
if (include_rev)
- show_rev(NORMAL, sha1, arg);
+ show_rev(NORMAL, &oid, arg);
for (parents = commit->parents, parent_number = 1;
parents;
parents = parents->next, parent_number++) {
@@ -350,7 +353,7 @@ static int try_parent_shorthands(const char *arg)
if (symbolic)
name = xstrfmt("%s^%d", arg, parent_number);
show_rev(include_parents ? NORMAL : REVERSED,
- parents->item->object.oid.hash, name);
+ &parents->item->object.oid, name);
free(name);
}
@@ -384,6 +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;
@@ -431,7 +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)
@@ -441,15 +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;
@@ -569,10 +582,11 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
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);
@@ -627,7 +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;
}
@@ -696,7 +712,7 @@ 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 (opt_with_value(arg, "--short", &arg)) {
@@ -751,8 +767,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
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);
+ for_each_fullref_in("refs/bisect/bad", show_reference, NULL, 0);
+ for_each_fullref_in("refs/bisect/good", anti_reference, NULL, 0);
continue;
}
if (opt_with_value(arg, "--branches", &arg)) {
@@ -781,6 +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);
@@ -807,17 +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);
@@ -826,8 +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")) {
@@ -845,12 +878,19 @@ 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;
}
@@ -886,11 +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)
@@ -902,9 +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;
View Lorry Controller Status