ui-diff: Check the return value of get_sha1()
Sync with what we do everywhere else and check the return value of
get_sha1() instead of calling sha1_object_info() to validate the object.
Note that we later call lookup_commit_reference(), which checks that
both SHA1 values refer to commits, anyway.
Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
diff --git a/ui-diff.c b/ui-diff.c
index 838db8c..1209c47 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -360,15 +360,11 @@
void cgit_print_diff(const char *new_rev, const char *old_rev,
const char *prefix, int show_ctrls, int raw)
{
- enum object_type type;
- unsigned long size;
struct commit *commit, *commit2;
if (!new_rev)
new_rev = ctx.qry.head;
- get_sha1(new_rev, new_rev_sha1);
- type = sha1_object_info(new_rev_sha1, &size);
- if (type == OBJ_BAD) {
+ if (get_sha1(new_rev, new_rev_sha1)) {
cgit_print_error("Bad object name: %s", new_rev);
return;
}
@@ -378,19 +374,18 @@
return;
}
- if (old_rev)
- get_sha1(old_rev, old_rev_sha1);
- else if (commit->parents && commit->parents->item)
- hashcpy(old_rev_sha1, commit->parents->item->object.sha1);
- else
- hashclr(old_rev_sha1);
-
- if (!is_null_sha1(old_rev_sha1)) {
- type = sha1_object_info(old_rev_sha1, &size);
- if (type == OBJ_BAD) {
- cgit_print_error("Bad object name: %s", sha1_to_hex(old_rev_sha1));
+ if (old_rev) {
+ if (get_sha1(old_rev, old_rev_sha1)) {
+ cgit_print_error("Bad object name: %s", old_rev);
return;
}
+ } else if (commit->parents && commit->parents->item) {
+ hashcpy(old_rev_sha1, commit->parents->item->object.sha1);
+ } else {
+ hashclr(old_rev_sha1);
+ }
+
+ if (!is_null_sha1(old_rev_sha1)) {
commit2 = lookup_commit_reference(old_rev_sha1);
if (!commit2 || parse_commit(commit2)) {
cgit_print_error("Bad commit: %s", sha1_to_hex(old_rev_sha1));