Merge remote-tracking branch 'ko/maint' into jc/diff-index-quick-exit-early

* ko/maint: (4352 commits)
  git-submodule.sh: separate parens by a space to avoid confusing some shells
  Documentation/technical/api-diff.txt: correct name of diff_unmerge()
  read_gitfile_gently: use ssize_t to hold read result
  remove tests of always-false condition
  rerere.c: diagnose a corrupt MERGE_RR when hitting EOF between TAB and '\0'
  Git 1.7.5.3
  init/clone: remove short option -L and document --separate-git-dir
  do not read beyond end of malloc'd buffer
  git-svn: Fix git svn log --show-commit
  Git 1.7.5.2
  provide a copy of the LGPLv2.1
  test core.gitproxy configuration
  copy_gecos: fix not adding nlen to len when processing "&"
  Update draft release notes to 1.7.5.2
  Documentation/git-fsck.txt: fix typo: unreadable -> unreachable
  send-pack: avoid deadlock on git:// push with failed pack-objects
  connect: let callers know if connection is a socket
  connect: treat generic proxy processes like ssh processes
  sideband_demux(): fix decl-after-stmt
  t3503: test cherry picking and reverting root commits
  ...

Conflicts:
	diff.c

1 files changed, 10 insertions, 1 deletions

diff --git a/diffcore-delta.c b/diffcore-delta.c
index e670f85125..7cf431d261 100644
--- a/diffcore-delta.c
+++ b/diffcore-delta.c
@@ -201,10 +201,15 @@ int diffcore_count_changes(struct diff_filespec *src,
 		while (d->cnt) {
 			if (d->hashval >= s->hashval)
 				break;
+			la += d->cnt;
 			d++;
 		}
 		src_cnt = s->cnt;
-		dst_cnt = d->hashval == s->hashval ? d->cnt : 0;
+		dst_cnt = 0;
+		if (d->cnt && d->hashval == s->hashval) {
+			dst_cnt = d->cnt;
+			d++;
+		}
 		if (src_cnt < dst_cnt) {
 			la += dst_cnt - src_cnt;
 			sc += src_cnt;
@@ -213,6 +218,10 @@ int diffcore_count_changes(struct diff_filespec *src,
 			sc += dst_cnt;
 		s++;
 	}
+	while (d->cnt) {
+		la += d->cnt;
+		d++;
+	}
 
 	if (!src_count_p)
 		free(src_count);