- /* Ignore line numbers when computing the SHA1 of the patch */
- if (!memcmp(line, "@@ -", 4))
- continue;
+ /* Looking for a valid hunk header? */
+ if (before == 0 && after == 0) {
+ if (!memcmp(line, "@@ -", 4)) {
+ /* Parse next hunk, but ignore line numbers. */
+ scan_hunk_header(line, &before, &after);
+ continue;
+ }
+
+ /* Split at the end of the patch. */
+ if (memcmp(line, "diff ", 5))
+ break;
+
+ /* Else we're parsing another header. */
+ before = after = -1;
+ }
+
+ /* If we get here, we're inside a hunk. */
+ if (line[0] == '-' || line[0] == ' ')
+ before--;
+ if (line[0] == '+' || line[0] == ' ')
+ after--;