Sync with 2.4.10

diff --git a/builtin/blame.c b/builtin/blame.c
index b3e948e757e97947211f598488339cd4f03c43eb..191368bfab7508862cf28c37420a353f1ad8dee3 100644 (file)
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -973,7 +973,10 @@ static void pass_blame_to_parent(struct scoreboard *sb,
        fill_origin_blob(&sb->revs->diffopt, target, &file_o);
        num_get_patch++;
 
-       diff_hunks(&file_p, &file_o, 0, blame_chunk_cb, &d);
+       if (diff_hunks(&file_p, &file_o, 0, blame_chunk_cb, &d))
+               die("unable to generate diff (%s -> %s)",
+                   sha1_to_hex(parent->commit->object.sha1),
+                   sha1_to_hex(target->commit->object.sha1));
        /* The rest are the same as the parent */
        blame_chunk(&d.dstq, &d.srcq, INT_MAX, d.offset, INT_MAX, parent);
        *d.dstq = NULL;
@@ -1119,7 +1122,9 @@ static void find_copy_in_blob(struct scoreboard *sb,
         * file_p partially may match that image.
         */
        memset(split, 0, sizeof(struct blame_entry [3]));
-       diff_hunks(file_p, &file_o, 1, handle_split_cb, &d);
+       if (diff_hunks(file_p, &file_o, 1, handle_split_cb, &d))
+               die("unable to generate diff (%s)",
+                   sha1_to_hex(parent->commit->object.sha1));
        /* remainder, if any, all match the preimage */
        handle_split(sb, ent, d.tlno, d.plno, ent->num_lines, parent, split);
 }
@@ -2176,6 +2181,14 @@ static int git_blame_config(const char *var, const char *value, void *cb)
                blank_boundary = git_config_bool(var, value);
                return 0;
        }
+       if (!strcmp(var, "blame.showemail")) {
+               int *output_option = cb;
+               if (git_config_bool(var, value))
+                       *output_option |= OUTPUT_SHOW_EMAIL;
+               else
+                       *output_option &= ~OUTPUT_SHOW_EMAIL;
+               return 0;
+       }
        if (!strcmp(var, "blame.date")) {
                if (!value)
                        return config_error_nonbool(var);
@@ -2520,7 +2533,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
        unsigned int range_i;
        long anchor;
 
-       git_config(git_blame_config, NULL);
+       git_config(git_blame_config, &output_option);
        init_revisions(&revs, NULL);
        revs.date_mode = blame_date_mode;
        DIFF_OPT_SET(&revs.diffopt, ALLOW_TEXTCONV);