Merge branch 'jk/submodule-c-credential' into js/http-custom-headers
[gitweb.git] / builtin / describe.c
index d06673a37821e0716919f7e68d47d596f57792f6..8a25abe0a03e2b2463ac352daafc326c4322ac32 100644 (file)
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "lockfile.h"
 #include "commit.h"
 #include "tag.h"
 #include "refs.h"
@@ -13,8 +14,8 @@
 #define MAX_TAGS       (FLAG_BITS - 1)
 
 static const char * const describe_usage[] = {
-       N_("git describe [options] <commit-ish>*"),
-       N_("git describe [options] --dirty"),
+       N_("git describe [<options>] [<commit-ish>...]"),
+       N_("git describe [<options>] --dirty"),
        NULL
 };
 
@@ -56,18 +57,9 @@ static int commit_name_cmp(const struct commit_name *cn1,
        return hashcmp(cn1->peeled, peeled ? peeled : cn2->peeled);
 }
 
-static inline unsigned int hash_sha1(const unsigned char *sha1)
-{
-       unsigned int hash;
-       memcpy(&hash, sha1, sizeof(hash));
-       return hash;
-}
-
 static inline struct commit_name *find_commit_name(const unsigned char *peeled)
 {
-       struct commit_name key;
-       hashmap_entry_init(&key, hash_sha1(peeled));
-       return hashmap_get(&names, &key, peeled);
+       return hashmap_get_from_hash(&names, sha1hash(peeled), peeled);
 }
 
 static int replace_name(struct commit_name *e,
@@ -114,7 +106,7 @@ static void add_to_known_names(const char *path,
                if (!e) {
                        e = xmalloc(sizeof(struct commit_name));
                        hashcpy(e->peeled, peeled);
-                       hashmap_entry_init(e, hash_sha1(peeled));
+                       hashmap_entry_init(e, sha1hash(peeled));
                        hashmap_add(&names, e);
                        e->path = NULL;
                }
@@ -127,10 +119,10 @@ 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)
+static int get_name(const char *path, const struct object_id *oid, int flag, void *cb_data)
 {
        int is_tag = starts_with(path, "refs/tags/");
-       unsigned char peeled[20];
+       struct object_id peeled;
        int is_annotated, prio;
 
        /* Reject anything outside refs/tags/ unless --all */
@@ -142,10 +134,10 @@ static int get_name(const char *path, const unsigned char *sha1, int flag, void
                return 0;
 
        /* Is it annotated? */
-       if (!peel_ref(path, peeled)) {
-               is_annotated = !!hashcmp(sha1, peeled);
+       if (!peel_ref(path, peeled.hash)) {
+               is_annotated = !!oidcmp(oid, &peeled);
        } else {
-               hashcpy(peeled, sha1);
+               oidcpy(&peeled, oid);
                is_annotated = 0;
        }
 
@@ -162,7 +154,7 @@ static int get_name(const char *path, const unsigned char *sha1, int flag, void
        else
                prio = 0;
 
-       add_to_known_names(all ? path + 5 : path + 10, peeled, prio, sha1);
+       add_to_known_names(all ? path + 5 : path + 10, peeled.hash, prio, oid->hash);
        return 0;
 }
 
@@ -260,14 +252,14 @@ static void describe(const char *arg, int last_one)
        if (!cmit)
                die(_("%s is not a valid '%s' object"), arg, commit_type);
 
-       n = find_commit_name(cmit->object.sha1);
+       n = find_commit_name(cmit->object.oid.hash);
        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->sha1 : sha1);
+                       show_suffix(0, n->tag ? n->tag->tagged->oid.hash : sha1);
                if (dirty)
                        printf("%s", dirty);
                printf("\n");
@@ -275,7 +267,7 @@ static void describe(const char *arg, int last_one)
        }
 
        if (!max_candidates)
-               die(_("no tag exactly matches '%s'"), sha1_to_hex(cmit->object.sha1));
+               die(_("no tag exactly matches '%s'"), oid_to_hex(&cmit->object.oid));
        if (debug)
                fprintf(stderr, _("searching to describe %s\n"), arg);
 
@@ -325,7 +317,7 @@ static void describe(const char *arg, int last_one)
                if (annotated_cnt && !list) {
                        if (debug)
                                fprintf(stderr, _("finished search at %s\n"),
-                                       sha1_to_hex(c->object.sha1));
+                                       oid_to_hex(&c->object.oid));
                        break;
                }
                while (parents) {
@@ -342,9 +334,9 @@ static void describe(const char *arg, int last_one)
        }
 
        if (!match_cnt) {
-               const unsigned char *sha1 = cmit->object.sha1;
+               struct object_id *oid = &cmit->object.oid;
                if (always) {
-                       printf("%s", find_unique_abbrev(sha1, abbrev));
+                       printf("%s", find_unique_abbrev(oid->hash, abbrev));
                        if (dirty)
                                printf("%s", dirty);
                        printf("\n");
@@ -353,11 +345,11 @@ static void describe(const char *arg, int last_one)
                if (unannotated_cnt)
                        die(_("No annotated tags can describe '%s'.\n"
                            "However, there were unannotated tags: try --tags."),
-                           sha1_to_hex(sha1));
+                           oid_to_hex(oid));
                else
                        die(_("No tags can describe '%s'.\n"
                            "Try --always, or create some tags."),
-                           sha1_to_hex(sha1));
+                           oid_to_hex(oid));
        }
 
        qsort(all_matches, match_cnt, sizeof(all_matches[0]), compare_pt);
@@ -382,13 +374,13 @@ static void describe(const char *arg, int last_one)
                                _("more than %i tags found; listed %i most recent\n"
                                "gave up search at %s\n"),
                                max_candidates, max_candidates,
-                               sha1_to_hex(gave_up_on->object.sha1));
+                               oid_to_hex(&gave_up_on->object.oid));
                }
        }
 
        display_name(all_matches[0].name);
        if (abbrev)
-               show_suffix(all_matches[0].depth, cmit->object.sha1);
+               show_suffix(all_matches[0].depth, cmit->object.oid.hash);
        if (dirty)
                printf("%s", dirty);
        printf("\n");