Merge branch 'ag/rebase-i-in-c' into js/rebase-in-c-5.5-work-with-rebase-i-in-c
[gitweb.git] / builtin / blame.c
index dc7870a56172b6aedd15df5a3dd21485442c1077..5c93d169dd431b666b25086ac4bb5303e8b26309 100644 (file)
@@ -9,6 +9,7 @@
 #include "config.h"
 #include "color.h"
 #include "builtin.h"
+#include "repository.h"
 #include "commit.h"
 #include "diff.h"
 #include "revision.h"
@@ -23,6 +24,7 @@
 #include "line-log.h"
 #include "dir.h"
 #include "progress.h"
+#include "object-store.h"
 #include "blame.h"
 #include "string-list.h"
 
@@ -543,7 +545,7 @@ static void output(struct blame_scoreboard *sb, int option)
                        struct commit *commit = ent->suspect->commit;
                        if (commit->object.flags & MORE_THAN_ONE_PATH)
                                continue;
-                       for (suspect = commit->util; suspect; suspect = suspect->next) {
+                       for (suspect = get_blame_suspects(commit); suspect; suspect = suspect->next) {
                                if (suspect->guilty && count++) {
                                        commit->object.flags |= MORE_THAN_ONE_PATH;
                                        break;
@@ -576,7 +578,7 @@ static int read_ancestry(const char *graft_file)
                /* The format is just "Commit Parent1 Parent2 ...\n" */
                struct commit_graft *graft = read_graft_line(&buf);
                if (graft)
-                       register_commit_graft(graft, 0);
+                       register_commit_graft(the_repository, graft, 0);
        }
        fclose(fp);
        strbuf_release(&buf);
@@ -585,7 +587,7 @@ static int read_ancestry(const char *graft_file)
 
 static int update_auto_abbrev(int auto_abbrev, struct blame_origin *suspect)
 {
-       const char *uniq = find_unique_abbrev(suspect->commit->object.oid.hash,
+       const char *uniq = find_unique_abbrev(&suspect->commit->object.oid,
                                              auto_abbrev);
        int len = strlen(uniq);
        if (auto_abbrev < len)
@@ -759,6 +761,15 @@ static int blame_move_callback(const struct option *option, const char *arg, int
        return 0;
 }
 
+static int is_a_rev(const char *name)
+{
+       struct object_id oid;
+
+       if (get_oid(name, &oid))
+               return 0;
+       return OBJ_NONE < oid_object_info(the_repository, &oid, NULL);
+}
+
 int cmd_blame(int argc, const char **argv, const char *prefix)
 {
        struct rev_info revs;
@@ -833,6 +844,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
        for (;;) {
                switch (parse_options_step(&ctx, options, blame_opt_usage)) {
                case PARSE_OPT_HELP:
+               case PARSE_OPT_ERROR:
                        exit(129);
                case PARSE_OPT_DONE:
                        if (ctx.argv[0])
@@ -958,16 +970,15 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
        } else {
                if (argc < 2)
                        usage_with_options(blame_opt_usage, options);
-               path = add_prefix(prefix, argv[argc - 1]);
-               if (argc == 3 && !file_exists(path)) { /* (2b) */
+               if (argc == 3 && is_a_rev(argv[argc - 1])) { /* (2b) */
                        path = add_prefix(prefix, argv[1]);
                        argv[1] = argv[2];
+               } else {        /* (2a) */
+                       if (argc == 2 && is_a_rev(argv[1]) && !get_git_work_tree())
+                               die("missing <path> to blame");
+                       path = add_prefix(prefix, argv[argc - 1]);
                }
                argv[argc - 1] = "--";
-
-               setup_work_tree();
-               if (!file_exists(path))
-                       die_errno("cannot stat path '%s'", path);
        }
 
        revs.disable_stdin = 1;
@@ -991,13 +1002,13 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
                                    nth_line_cb, &sb, lno, anchor,
                                    &bottom, &top, sb.path))
                        usage(blame_usage);
-               if (lno < top || ((lno || bottom) && lno < bottom))
+               if ((!lno && (top || bottom)) || lno < bottom)
                        die(Q_("file %s has only %lu line",
                               "file %s has only %lu lines",
                               lno), path, lno);
                if (bottom < 1)
                        bottom = 1;
-               if (top < 1)
+               if (top < 1 || lno < top)
                        top = lno;
                bottom--;
                range_set_append_unsafe(&ranges, bottom, top);
@@ -1060,7 +1071,9 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
                find_alignment(&sb, &output_option);
                if (!*repeated_meta_color &&
                    (output_option & OUTPUT_COLOR_LINE))
-                       strcpy(repeated_meta_color, GIT_COLOR_CYAN);
+                       xsnprintf(repeated_meta_color,
+                                 sizeof(repeated_meta_color),
+                                 "%s", GIT_COLOR_CYAN);
        }
        if (output_option & OUTPUT_ANNOTATE_COMPAT)
                output_option &= ~(OUTPUT_COLOR_LINE | OUTPUT_SHOW_AGE_WITH_COLOR);