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-rw-r--r--src/diff.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/diff.c b/src/diff.c
index 86f76f9c0..722acbead 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -755,14 +755,15 @@ fail:
return error;
}
-
#define DIFF_FROM_ITERATORS(MAKE_FIRST, MAKE_SECOND) do { \
git_iterator *a = NULL, *b = NULL; \
char *pfx = opts ? git_pathspec_prefix(&opts->pathspec) : NULL; \
- if (!(error = MAKE_FIRST) && !(error = MAKE_SECOND)) \
+ if (!git_diff__opts_has_valid_version(opts)) \
+ error = -1; \
+ else if (!(error = MAKE_FIRST) && !(error = MAKE_SECOND)) \
error = diff_from_iterators(diff, repo, a, b, opts); \
git__free(pfx); git_iterator_free(a); git_iterator_free(b); \
- } while (0)
+} while (0)
int git_diff_tree_to_tree(
git_diff_list **diff,