Merge branch 'maint'
[gitweb.git] / builtin-log.c
index 71df957eaa0b85bd841fe3758b6efbfd51243881..38bf52f1006fd991175621734e11e4d23f4b23de 100644 (file)
 #include "builtin.h"
 #include "tag.h"
 #include "reflog-walk.h"
+#include "patch-ids.h"
+#include "refs.h"
 
 static int default_show_root = 1;
 
 /* this is in builtin-diff.c */
 void add_head(struct rev_info *revs);
 
+static void add_name_decoration(const char *prefix, const char *name, struct object *obj)
+{
+       int plen = strlen(prefix);
+       int nlen = strlen(name);
+       struct name_decoration *res = xmalloc(sizeof(struct name_decoration) + plen + nlen);
+       memcpy(res->name, prefix, plen);
+       memcpy(res->name + plen, name, nlen + 1);
+       res->next = add_decoration(&name_decoration, obj, res);
+}
+
+static int add_ref_decoration(const char *refname, const unsigned char *sha1, int flags, void *cb_data)
+{
+       struct object *obj = parse_object(sha1);
+       if (!obj)
+               return 0;
+       add_name_decoration("", refname, obj);
+       while (obj->type == OBJ_TAG) {
+               obj = ((struct tag *)obj)->tagged;
+               if (!obj)
+                       break;
+               add_name_decoration("tag: ", refname, obj);
+       }
+       return 0;
+}
+
 static void cmd_log_init(int argc, const char **argv, const char *prefix,
                      struct rev_info *rev)
 {
        int i;
+       int decorate = 0;
 
        rev->abbrev = DEFAULT_ABBREV;
        rev->commit_format = CMIT_FMT_DEFAULT;
@@ -38,8 +66,11 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
                                git_log_output_encoding = xstrdup(arg);
                        else
                                git_log_output_encoding = "";
-               }
-               else
+               } else if (!strcmp(arg, "--decorate")) {
+                       if (!decorate)
+                               for_each_ref(add_ref_decoration, NULL);
+                       decorate = 1;
+               } else
                        die("unrecognized argument: %s", arg);
        }
 }
@@ -333,25 +364,12 @@ static int reopen_stdout(struct commit *commit, int nr, int keep_subject)
 
 }
 
-static int get_patch_id(struct commit *commit, struct diff_options *options,
-               unsigned char *sha1)
-{
-       if (commit->parents)
-               diff_tree_sha1(commit->parents->item->object.sha1,
-                              commit->object.sha1, "", options);
-       else
-               diff_root_tree_sha1(commit->object.sha1, "", options);
-       diffcore_std(options);
-       return diff_flush_patch_id(options, sha1);
-}
-
-static void get_patch_ids(struct rev_info *rev, struct diff_options *options, const char *prefix)
+static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const char *prefix)
 {
        struct rev_info check_rev;
        struct commit *commit;
        struct object *o1, *o2;
        unsigned flags1, flags2;
-       unsigned char sha1[20];
 
        if (rev->pending.nr != 2)
                die("Need exactly one range.");
@@ -364,10 +382,7 @@ static void get_patch_ids(struct rev_info *rev, struct diff_options *options, co
        if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING))
                die("Not a range.");
 
-       diff_setup(options);
-       options->recursive = 1;
-       if (diff_setup_done(options) < 0)
-               die("diff_setup_done failed");
+       init_patch_ids(ids);
 
        /* given a range a..b get all patch ids for b..a */
        init_revisions(&check_rev, prefix);
@@ -382,8 +397,7 @@ static void get_patch_ids(struct rev_info *rev, struct diff_options *options, co
                if (commit->parents && commit->parents->next)
                        continue;
 
-               if (!get_patch_id(commit, options, sha1))
-                       created_object(sha1, xcalloc(1, sizeof(struct object)));
+               add_commit_patch_id(commit, ids);
        }
 
        /* reset for next revision walk */
@@ -417,10 +431,11 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        int numbered = 0;
        int start_number = -1;
        int keep_subject = 0;
+       int subject_prefix = 0;
        int ignore_if_in_upstream = 0;
        int thread = 0;
        const char *in_reply_to = NULL;
-       struct diff_options patch_id_opts;
+       struct patch_ids ids;
        char *add_signoff = NULL;
        char message_id[1024];
        char ref_message_id[1024];
@@ -509,8 +524,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        if (i == argc)
                                die("Need a Message-Id for --in-reply-to");
                        in_reply_to = argv[i];
-               }
-               else if (!prefixcmp(argv[i], "--suffix="))
+               } else if (!prefixcmp(argv[i], "--subject-prefix=")) {
+                       subject_prefix = 1;
+                       rev.subject_prefix = argv[i] + 17;
+               } else if (!prefixcmp(argv[i], "--suffix="))
                        fmt_patch_suffix = argv[i] + 9;
                else
                        argv[j++] = argv[i];
@@ -521,6 +538,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                start_number = 1;
        if (numbered && keep_subject)
                die ("-n and -k are mutually exclusive.");
+       if (keep_subject && subject_prefix)
+               die ("--subject-prefix and -k are mutually exclusive.");
 
        argc = setup_revisions(argc, argv, &rev, "HEAD");
        if (argc > 1)
@@ -554,22 +573,19 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        }
 
        if (ignore_if_in_upstream)
-               get_patch_ids(&rev, &patch_id_opts, prefix);
+               get_patch_ids(&rev, &ids, prefix);
 
        if (!use_stdout)
                realstdout = fdopen(dup(1), "w");
 
        prepare_revision_walk(&rev);
        while ((commit = get_revision(&rev)) != NULL) {
-               unsigned char sha1[20];
-
                /* ignore merges */
                if (commit->parents && commit->parents->next)
                        continue;
 
                if (ignore_if_in_upstream &&
-                               !get_patch_id(commit, &patch_id_opts, sha1) &&
-                               lookup_object(sha1))
+                               has_commit_patch_id(commit, &ids))
                        continue;
 
                nr++;
@@ -624,6 +640,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        fclose(stdout);
        }
        free(list);
+       if (ignore_if_in_upstream)
+               free_patch_ids(&ids);
        return 0;
 }
 
@@ -646,7 +664,7 @@ static const char cherry_usage[] =
 int cmd_cherry(int argc, const char **argv, const char *prefix)
 {
        struct rev_info revs;
-       struct diff_options patch_id_opts;
+       struct patch_ids ids;
        struct commit *commit;
        struct commit_list *list = NULL;
        const char *upstream;
@@ -692,7 +710,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
                        return 0;
        }
 
-       get_patch_ids(&revs, &patch_id_opts, prefix);
+       get_patch_ids(&revs, &ids, prefix);
 
        if (limit && add_pending_commit(limit, &revs, UNINTERESTING))
                die("Unknown commit %s", limit);
@@ -708,12 +726,10 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
        }
 
        while (list) {
-               unsigned char sha1[20];
                char sign = '+';
 
                commit = list->item;
-               if (!get_patch_id(commit, &patch_id_opts, sha1) &&
-                   lookup_object(sha1))
+               if (has_commit_patch_id(commit, &ids))
                        sign = '-';
 
                if (verbose) {
@@ -731,5 +747,6 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
                list = list->next;
        }
 
+       free_patch_ids(&ids);
        return 0;
 }