write_index: optionally allow broken null sha1s

diff --git a/diff.c b/diff.c
index f0b3e7cfe34a99c0e5fea85fcd00ec54e9b578d8..71e4df96d48e3409f2bb84ca0c145e4f6278e985 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -2677,6 +2677,14 @@ static int diff_populate_gitlink(struct diff_filespec *s, int size_only)
 int diff_populate_filespec(struct diff_filespec *s, int size_only)
 {
        int err = 0;
+       /*
+        * demote FAIL to WARN to allow inspecting the situation
+        * instead of refusing.
+        */
+       enum safe_crlf crlf_warn = (safe_crlf == SAFE_CRLF_FAIL
+                                   ? SAFE_CRLF_WARN
+                                   : safe_crlf);
+
        if (!DIFF_FILE_VALID(s))
                die("internal error: asking to populate invalid file.");
        if (S_ISDIR(s->mode))
@@ -2732,7 +2740,7 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only)
                /*
                 * Convert from working tree format to canonical git format
                 */
-               if (convert_to_git(s->path, s->data, s->size, &buf, safe_crlf)) {
+               if (convert_to_git(s->path, s->data, s->size, &buf, crlf_warn)) {
                        size_t size = 0;
                        munmap(s->data, s->size);
                        s->should_munmap = 0;