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-rw-r--r--builtin/describe.c88
1 files changed, 41 insertions, 47 deletions
diff --git a/builtin/describe.c b/builtin/describe.c
index 7d73722f59..24d740c8b1 100644
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -6,14 +6,14 @@
#include "exec_cmd.h"
#include "parse-options.h"
#include "diff.h"
-#include "hash.h"
+#include "hashmap.h"
#include "argv-array.h"
-#define SEEN (1u<<0)
+#define SEEN (1u << 0)
#define MAX_TAGS (FLAG_BITS - 1)
static const char * const describe_usage[] = {
- N_("git describe [options] <committish>*"),
+ N_("git describe [options] <commit-ish>*"),
N_("git describe [options] --dirty"),
NULL
};
@@ -25,7 +25,7 @@ static int longformat;
static int first_parent;
static int abbrev = -1; /* unspecified */
static int max_candidates = 10;
-static struct hash_table names;
+static struct hashmap names;
static int have_util;
static const char *pattern;
static int always;
@@ -36,9 +36,8 @@ static const char *diff_index_args[] = {
"diff-index", "--quiet", "HEAD", "--", NULL
};
-
struct commit_name {
- struct commit_name *next;
+ struct hashmap_entry entry;
unsigned char peeled[20];
struct tag *tag;
unsigned prio:2; /* annotated tag = 2, tag = 1, head = 0 */
@@ -46,10 +45,17 @@ struct commit_name {
unsigned char sha1[20];
char *path;
};
+
static const char *prio_names[] = {
"head", "lightweight", "annotated",
};
+static int commit_name_cmp(const struct commit_name *cn1,
+ const struct commit_name *cn2, const void *peeled)
+{
+ return hashcmp(cn1->peeled, peeled ? peeled : cn2->peeled);
+}
+
static inline unsigned int hash_sha1(const unsigned char *sha1)
{
unsigned int hash;
@@ -59,21 +65,9 @@ static inline unsigned int hash_sha1(const unsigned char *sha1)
static inline struct commit_name *find_commit_name(const unsigned char *peeled)
{
- struct commit_name *n = lookup_hash(hash_sha1(peeled), &names);
- while (n && !!hashcmp(peeled, n->peeled))
- n = n->next;
- return n;
-}
-
-static int set_util(void *chain, void *data)
-{
- struct commit_name *n;
- for (n = chain; n; n = n->next) {
- struct commit *c = lookup_commit_reference_gently(n->peeled, 1);
- if (c)
- c->util = n;
- }
- return 0;
+ struct commit_name key;
+ hashmap_entry_init(&key, hash_sha1(peeled));
+ return hashmap_get(&names, &key, peeled);
}
static int replace_name(struct commit_name *e,
@@ -118,16 +112,10 @@ static void add_to_known_names(const char *path,
struct tag *tag = NULL;
if (replace_name(e, prio, sha1, &tag)) {
if (!e) {
- void **pos;
e = xmalloc(sizeof(struct commit_name));
hashcpy(e->peeled, peeled);
- pos = insert_hash(hash_sha1(peeled), e, &names);
- if (pos) {
- e->next = *pos;
- *pos = e;
- } else {
- e->next = NULL;
- }
+ hashmap_entry_init(e, hash_sha1(peeled));
+ hashmap_add(&names, e);
e->path = NULL;
}
e->tag = tag;
@@ -141,7 +129,7 @@ static void add_to_known_names(const char *path,
static int get_name(const char *path, const unsigned char *sha1, int flag, void *cb_data)
{
- int is_tag = !prefixcmp(path, "refs/tags/");
+ int is_tag = starts_with(path, "refs/tags/");
unsigned char peeled[20];
int is_annotated, prio;
@@ -150,7 +138,7 @@ static int get_name(const char *path, const unsigned char *sha1, int flag, void
return 0;
/* Accept only tags that match the pattern, if given */
- if (pattern && (!is_tag || fnmatch(pattern, path + 10, 0)))
+ if (pattern && (!is_tag || wildmatch(pattern, path + 10, 0, NULL)))
return 0;
/* Is it annotated? */
@@ -292,7 +280,14 @@ static void describe(const char *arg, int last_one)
fprintf(stderr, _("searching to describe %s\n"), arg);
if (!have_util) {
- for_each_hash(&names, set_util, NULL);
+ struct hashmap_iter iter;
+ 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);
+ if (c)
+ c->util = n;
+ }
have_util = 1;
}
@@ -406,12 +401,12 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
{
int contains = 0;
struct option options[] = {
- OPT_BOOLEAN(0, "contains", &contains, N_("find the tag that comes after the commit")),
- OPT_BOOLEAN(0, "debug", &debug, N_("debug search strategy on stderr")),
- OPT_BOOLEAN(0, "all", &all, N_("use any ref")),
- OPT_BOOLEAN(0, "tags", &tags, N_("use any tag, even unannotated")),
- OPT_BOOLEAN(0, "long", &longformat, N_("always use long format")),
- OPT_BOOLEAN(0, "first-parent", &first_parent, N_("only follow first parent")),
+ OPT_BOOL(0, "contains", &contains, N_("find the tag that comes after the commit")),
+ OPT_BOOL(0, "debug", &debug, N_("debug search strategy on stderr")),
+ OPT_BOOL(0, "all", &all, N_("use any ref")),
+ OPT_BOOL(0, "tags", &tags, N_("use any tag, even unannotated")),
+ OPT_BOOL(0, "long", &longformat, N_("always use long format")),
+ OPT_BOOL(0, "first-parent", &first_parent, N_("only follow first parent")),
OPT__ABBREV(&abbrev),
OPT_SET_INT(0, "exact-match", &max_candidates,
N_("only output exact matches"), 0),
@@ -419,11 +414,11 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
N_("consider <n> most recent tags (default: 10)")),
OPT_STRING(0, "match", &pattern, N_("pattern"),
N_("only consider tags matching <pattern>")),
- OPT_BOOLEAN(0, "always", &always,
- N_("show abbreviated commit object as fallback")),
+ OPT_BOOL(0, "always", &always,
+ N_("show abbreviated commit object as fallback")),
{OPTION_STRING, 0, "dirty", &dirty, N_("mark"),
- N_("append <mark> on dirty working tree (default: \"-dirty\")"),
- PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"},
+ N_("append <mark> on dirty working tree (default: \"-dirty\")"),
+ PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"},
OPT_END(),
};
@@ -463,9 +458,9 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
return cmd_name_rev(args.argc, args.argv, prefix);
}
- init_hash(&names);
+ hashmap_init(&names, (hashmap_cmp_fn) commit_name_cmp, 0);
for_each_rawref(get_name, NULL);
- if (!names.nr && !always)
+ if (!names.size && !always)
die(_("No names found, cannot describe anything."));
if (argc == 0) {
@@ -486,11 +481,10 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
}
describe("HEAD", 1);
} else if (dirty) {
- die(_("--dirty is incompatible with committishes"));
+ die(_("--dirty is incompatible with commit-ishes"));
} else {
- while (argc-- > 0) {
+ while (argc-- > 0)
describe(*argv++, argc == 0);
- }
}
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 08:33:22 +0000