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-rw-r--r--builtin/diff.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/builtin/diff.c b/builtin/diff.c
index 945e7583a8..655a013ed0 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -135,7 +135,7 @@ static int builtin_diff_index(struct rev_info *revs,
revs->max_count != -1 || revs->min_age != -1 ||
revs->max_age != -1)
usage(builtin_diff_usage);
- if (read_cache_preload(revs->diffopt.paths) < 0) {
+ if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) {
perror("read_cache_preload");
return -1;
}
@@ -197,12 +197,7 @@ static void refresh_index_quietly(void)
discard_cache();
read_cache();
refresh_cache(REFRESH_QUIET|REFRESH_UNMERGED);
-
- if (active_cache_changed &&
- !write_cache(fd, active_cache, active_nr))
- commit_locked_index(lock_file);
-
- rollback_lock_file(lock_file);
+ update_index_if_able(&the_index, lock_file);
}
static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv)
@@ -237,7 +232,7 @@ static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv
revs->combine_merges = revs->dense_combined_merges = 1;
setup_work_tree();
- if (read_cache_preload(revs->diffopt.paths) < 0) {
+ if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) {
perror("read_cache_preload");
return -1;
}
@@ -330,8 +325,11 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
else if (!strcmp(arg, "--cached") ||
!strcmp(arg, "--staged")) {
add_head_to_pending(&rev);
- if (!rev.pending.nr)
- die("No HEAD commit to compare with (yet)");
+ if (!rev.pending.nr) {
+ struct tree *tree;
+ tree = lookup_tree((const unsigned char*)EMPTY_TREE_SHA1_BIN);
+ add_pending_object(&rev, &tree->object, "HEAD");
+ }
break;
}
}
@@ -371,14 +369,10 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
}
die("unhandled object '%s' given.", name);
}
- if (rev.prune_data) {
- const char **pathspec = rev.prune_data;
- while (*pathspec) {
- if (!path)
- path = *pathspec;
- paths++;
- pathspec++;
- }
+ if (rev.prune_data.nr) {
+ if (!path)
+ path = rev.prune_data.items[0].match;
+ paths += rev.prune_data.nr;
}
/*