#include "cache.h"
+#include "config.h"
#include "lockfile.h"
#include "commit.h"
#include "tag.h"
#include "diff.h"
#include "hashmap.h"
#include "argv-array.h"
+#include "run-command.h"
#define SEEN (1u << 0)
#define MAX_TAGS (FLAG_BITS - 1)
static struct string_list patterns = STRING_LIST_INIT_NODUP;
static struct string_list exclude_patterns = STRING_LIST_INIT_NODUP;
static int always;
-static const char *dirty;
+static const char *suffix, *dirty, *broken;
/* diff-index command arguments to check if working tree is dirty. */
static const char *diff_index_args[] = {
struct commit_name {
struct hashmap_entry entry;
- unsigned char peeled[20];
+ struct object_id peeled;
struct tag *tag;
unsigned prio:2; /* annotated tag = 2, tag = 1, head = 0 */
unsigned name_checked:1;
- unsigned char sha1[20];
+ struct object_id oid;
char *path;
};
static const char *prio_names[] = {
- "head", "lightweight", "annotated",
+ N_("head"), N_("lightweight"), N_("annotated"),
};
-static int commit_name_cmp(const struct commit_name *cn1,
- const struct commit_name *cn2, const void *peeled)
+static int commit_name_cmp(const void *unused_cmp_data,
+ const void *entry,
+ const void *entry_or_key,
+ const void *peeled)
{
- return hashcmp(cn1->peeled, peeled ? peeled : cn2->peeled);
+ const struct commit_name *cn1 = entry;
+ const struct commit_name *cn2 = entry_or_key;
+
+ return oidcmp(&cn1->peeled, peeled ? peeled : &cn2->peeled);
}
-static inline struct commit_name *find_commit_name(const unsigned char *peeled)
+static inline struct commit_name *find_commit_name(const struct object_id *peeled)
{
- return hashmap_get_from_hash(&names, sha1hash(peeled), peeled);
+ return hashmap_get_from_hash(&names, sha1hash(peeled->hash), peeled->hash);
}
static int replace_name(struct commit_name *e,
int prio,
- const unsigned char *sha1,
+ const struct object_id *oid,
struct tag **tag)
{
if (!e || e->prio < prio)
struct tag *t;
if (!e->tag) {
- t = lookup_tag(e->sha1);
+ t = lookup_tag(&e->oid);
if (!t || parse_tag(t))
return 1;
e->tag = t;
}
- t = lookup_tag(sha1);
+ t = lookup_tag(oid);
if (!t || parse_tag(t))
return 0;
*tag = t;
}
static void add_to_known_names(const char *path,
- const unsigned char *peeled,
+ const struct object_id *peeled,
int prio,
- const unsigned char *sha1)
+ const struct object_id *oid)
{
struct commit_name *e = find_commit_name(peeled);
struct tag *tag = NULL;
- if (replace_name(e, prio, sha1, &tag)) {
+ if (replace_name(e, prio, oid, &tag)) {
if (!e) {
e = xmalloc(sizeof(struct commit_name));
- hashcpy(e->peeled, peeled);
- hashmap_entry_init(e, sha1hash(peeled));
+ oidcpy(&e->peeled, peeled);
+ hashmap_entry_init(e, sha1hash(peeled->hash));
hashmap_add(&names, e);
e->path = NULL;
}
e->tag = tag;
e->prio = prio;
e->name_checked = 0;
- hashcpy(e->sha1, sha1);
+ oidcpy(&e->oid, oid);
free(e->path);
e->path = xstrdup(path);
}
return 0;
for_each_string_list_item(item, &exclude_patterns) {
- if (!wildmatch(item->string, path + 10, 0, NULL))
+ if (!wildmatch(item->string, path + 10, 0))
return 0;
}
}
* pattern.
*/
if (patterns.nr) {
+ int found = 0;
struct string_list_item *item;
if (!is_tag)
return 0;
for_each_string_list_item(item, &patterns) {
- if (!wildmatch(item->string, path + 10, 0))
- if (!wildmatch(item->string, path + 10, 0, NULL)) {
++ if (!wildmatch(item->string, path + 10, 0)) {
+ found = 1;
break;
+ }
+ }
- /* If we get here, no pattern matched. */
+ if (!found)
return 0;
- }
}
/* Is it annotated? */
else
prio = 0;
- add_to_known_names(all ? path + 5 : path + 10, peeled.hash, prio, oid->hash);
+ add_to_known_names(all ? path + 5 : path + 10, &peeled, prio, oid);
return 0;
}
static void display_name(struct commit_name *n)
{
if (n->prio == 2 && !n->tag) {
- n->tag = lookup_tag(n->sha1);
+ n->tag = lookup_tag(&n->oid);
if (!n->tag || parse_tag(n->tag))
die(_("annotated tag %s not available"), n->path);
}
printf("%s", n->path);
}
-static void show_suffix(int depth, const unsigned char *sha1)
+static void show_suffix(int depth, const struct object_id *oid)
{
- printf("-%d-g%s", depth, find_unique_abbrev(sha1, abbrev));
+ printf("-%d-g%s", depth, find_unique_abbrev(oid->hash, abbrev));
}
static void describe(const char *arg, int last_one)
{
- unsigned char sha1[20];
+ struct object_id oid;
struct commit *cmit, *gave_up_on = NULL;
struct commit_list *list;
struct commit_name *n;
unsigned long seen_commits = 0;
unsigned int unannotated_cnt = 0;
- if (get_sha1(arg, sha1))
+ if (get_oid(arg, &oid))
die(_("Not a valid object name %s"), arg);
- cmit = lookup_commit_reference(sha1);
+ cmit = lookup_commit_reference(&oid);
if (!cmit)
die(_("%s is not a valid '%s' object"), arg, commit_type);
- n = find_commit_name(cmit->object.oid.hash);
+ n = find_commit_name(&cmit->object.oid);
if (n && (tags || all || n->prio == 2)) {
/*
* Exact match to an existing ref.
*/
display_name(n);
if (longformat)
- show_suffix(0, n->tag ? n->tag->tagged->oid.hash : sha1);
- if (dirty)
- printf("%s", dirty);
+ show_suffix(0, n->tag ? &n->tag->tagged->oid : &oid);
+ if (suffix)
+ printf("%s", suffix);
printf("\n");
return;
}
struct commit *c;
struct commit_name *n = hashmap_iter_first(&names, &iter);
for (; n; n = hashmap_iter_next(&iter)) {
- c = lookup_commit_reference_gently(n->peeled, 1);
+ c = lookup_commit_reference_gently(&n->peeled, 1);
if (c)
c->util = n;
}
struct object_id *oid = &cmit->object.oid;
if (always) {
printf("%s", find_unique_abbrev(oid->hash, abbrev));
- if (dirty)
- printf("%s", dirty);
+ if (suffix)
+ printf("%s", suffix);
printf("\n");
return;
}
free_commit_list(list);
if (debug) {
+ static int label_width = -1;
+ if (label_width < 0) {
+ int i, w;
+ for (i = 0; i < ARRAY_SIZE(prio_names); i++) {
+ w = strlen(_(prio_names[i]));
+ if (label_width < w)
+ label_width = w;
+ }
+ }
for (cur_match = 0; cur_match < match_cnt; cur_match++) {
struct possible_tag *t = &all_matches[cur_match];
- fprintf(stderr, " %-11s %8d %s\n",
- prio_names[t->name->prio],
+ fprintf(stderr, " %-*s %8d %s\n",
+ label_width, _(prio_names[t->name->prio]),
t->depth, t->name->path);
}
fprintf(stderr, _("traversed %lu commits\n"), seen_commits);
display_name(all_matches[0].name);
if (abbrev)
- show_suffix(all_matches[0].depth, cmit->object.oid.hash);
- if (dirty)
- printf("%s", dirty);
+ show_suffix(all_matches[0].depth, &cmit->object.oid);
+ if (suffix)
+ printf("%s", suffix);
printf("\n");
if (!last_one)
{OPTION_STRING, 0, "dirty", &dirty, N_("mark"),
N_("append <mark> on dirty working tree (default: \"-dirty\")"),
PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"},
+ {OPTION_STRING, 0, "broken", &broken, N_("mark"),
+ N_("append <mark> on broken working tree (default: \"-broken\")"),
+ PARSE_OPT_OPTARG, NULL, (intptr_t) "-broken"},
OPT_END(),
};
return cmd_name_rev(args.argc, args.argv, prefix);
}
- hashmap_init(&names, (hashmap_cmp_fn) commit_name_cmp, 0);
+ hashmap_init(&names, commit_name_cmp, NULL, 0);
for_each_rawref(get_name, NULL);
- if (!names.size && !always)
+ if (!hashmap_get_size(&names) && !always)
die(_("No names found, cannot describe anything."));
if (argc == 0) {
- if (dirty) {
+ if (broken) {
+ struct child_process cp = CHILD_PROCESS_INIT;
+ argv_array_pushv(&cp.args, diff_index_args);
+ cp.git_cmd = 1;
+ cp.no_stdin = 1;
+ cp.no_stdout = 1;
+
+ if (!dirty)
+ dirty = "-dirty";
+
+ switch (run_command(&cp)) {
+ case 0:
+ suffix = NULL;
+ break;
+ case 1:
+ suffix = dirty;
+ break;
+ default:
+ /* diff-index aborted abnormally */
+ suffix = broken;
+ }
+ } else if (dirty) {
static struct lock_file index_lock;
int fd;
if (!cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1,
diff_index_args, prefix))
- dirty = NULL;
+ suffix = NULL;
+ else
+ suffix = dirty;
}
describe("HEAD", 1);
} else if (dirty) {
die(_("--dirty is incompatible with commit-ishes"));
+ } else if (broken) {
+ die(_("--broken is incompatible with commit-ishes"));
} else {
while (argc-- > 0)
describe(*argv++, argc == 0);
check_describe "test2-lightweight-*" --long --tags --match="test2-*" HEAD^
- check_describe "test1-lightweight-*" --long --tags --match="test1-*" --match="test2-*" HEAD^
+ check_describe "test2-lightweight-*" --long --tags --match="test1-*" --match="test2-*" HEAD^
check_describe "test2-lightweight-*" --long --tags --match="test1-*" --no-match --match="test2-*" HEAD^
+ check_describe "test1-lightweight-*" --long --tags --match="test1-*" --match="test3-*" HEAD
+
+ check_describe "test1-lightweight-*" --long --tags --match="test3-*" --match="test1-*" HEAD
+
test_expect_success 'name-rev with exact tags' '
echo A >expect &&
tag_object=$(git rev-parse refs/tags/A) &&
test_cmp expect actual
'
+test_expect_success 'name-rev --all' '
+ >expect.unsorted &&
+ for rev in $(git rev-list --all)
+ do
+ git name-rev $rev >>expect.unsorted
+ done &&
+ sort <expect.unsorted >expect &&
+ git name-rev --all >actual.unsorted &&
+ sort <actual.unsorted >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'name-rev --stdin' '
+ >expect.unsorted &&
+ for rev in $(git rev-list --all)
+ do
+ name=$(git name-rev --name-only $rev) &&
+ echo "$rev ($name)" >>expect.unsorted
+ done &&
+ sort <expect.unsorted >expect &&
+ git rev-list --all | git name-rev --stdin >actual.unsorted &&
+ sort <actual.unsorted >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'describe --contains with the exact tags' '
echo "A^0" >expect &&
tag_object=$(git rev-parse refs/tags/A) &&
test_cmp expect actual
'
+test_expect_success 'setup and absorb a submodule' '
+ test_create_repo sub1 &&
+ test_commit -C sub1 initial &&
+ git submodule add ./sub1 &&
+ git submodule absorbgitdirs &&
+ git commit -a -m "add submodule" &&
+ git describe --dirty >expect &&
+ git describe --broken >out &&
+ test_cmp expect out
+'
+
+test_expect_success 'describe chokes on severely broken submodules' '
+ mv .git/modules/sub1/ .git/modules/sub_moved &&
+ test_must_fail git describe --dirty
+'
+test_expect_success 'describe ignoring a borken submodule' '
+ git describe --broken >out &&
+ test_when_finished "mv .git/modules/sub_moved .git/modules/sub1" &&
+ grep broken out
+'
+
+# we require ulimit, this excludes Windows
+test_expect_failure ULIMIT_STACK_SIZE 'name-rev works in a deep repo' '
+ i=1 &&
+ while test $i -lt 8000
+ do
+ echo "commit refs/heads/master
+committer A U Thor <author@example.com> $((1000000000 + $i * 100)) +0200
+data <<EOF
+commit #$i
+EOF"
+ test $i = 1 && echo "from refs/heads/master^0"
+ i=$(($i + 1))
+ done | git fast-import &&
+ git checkout master &&
+ git tag far-far-away HEAD^ &&
+ echo "HEAD~4000 tags/far-far-away~3999" >expect &&
+ git name-rev HEAD~4000 >actual &&
+ test_cmp expect actual &&
+ run_with_limited_stack git name-rev HEAD~4000 >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success ULIMIT_STACK_SIZE 'describe works in a deep repo' '
+ git tag -f far-far-away HEAD~7999 &&
+ echo "far-far-away" >expect &&
+ git describe --tags --abbrev=0 HEAD~4000 >actual &&
+ test_cmp expect actual &&
+ run_with_limited_stack git describe --tags --abbrev=0 HEAD~4000 >actual &&
+ test_cmp expect actual
+'
+
test_done