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Diffstat (limited to 'builtin/blame.c')
-rw-r--r--builtin/blame.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/builtin/blame.c b/builtin/blame.c
index 005f55aaa2..db38c0b307 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -499,7 +499,7 @@ 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)
@@ -649,6 +649,15 @@ 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(&oid, NULL);
+}
+
int cmd_blame(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
@@ -720,6 +729,7 @@ 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])
@@ -845,16 +855,15 @@ parse_done:
} 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;