[PATCH 1/5] t7607: use test_commit and test_must_fail

[Clemens Buchacher <drizzd@aon.at>]

Also make sure that aborted merges do not leave
MERGE_HEAD except in the "will not overwrite
removed file" test, where we cannot do so. See
also the discussion in the following thread.

http://mid.gmane.org/7vskopwxej.fsf@gitster.siamese.dyndns.org
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
---
 t/t7607-merge-overwrite.sh |   78 +++++++++++++++++++------------------------
 1 files changed, 35 insertions(+), 43 deletions(-)

diff --git a/t/t7607-merge-overwrite.sh b/t/t7607-merge-overwrite.sh
index d82349a..6ed40b1 100755
--- a/t/t7607-merge-overwrite.sh
+++ b/t/t7607-merge-overwrite.sh
@@ -7,81 +7,73 @@ Do not overwrite changes.'
 . ./test-lib.sh
 
 test_expect_success 'setup' '
-	echo c0 > c0.c &&
-	git add c0.c &&
-	git commit -m c0 &&
-	git tag c0 &&
-	echo c1 > c1.c &&
-	git add c1.c &&
-	git commit -m c1 &&
-	git tag c1 &&
+	test_commit c0 &&
+	test_commit c1 &&
+	test_commit "c1a" "c1.t" "c1 a" &&
 	git reset --hard c0 &&
-	echo c2 > c2.c &&
-	git add c2.c &&
-	git commit -m c2 &&
-	git tag c2 &&
-	git reset --hard c1 &&
-	echo "c1 a" > c1.c &&
-	git add c1.c &&
-	git commit -m "c1 a" &&
-	git tag c1a &&
+	test_commit c2 &&
 	echo "VERY IMPORTANT CHANGES" > important
 '
 
 test_expect_success 'will not overwrite untracked file' '
 	git reset --hard c1 &&
-	cat important > c2.c &&
+	cp important c2.t &&
 	test_must_fail git merge c2 &&
-	test_cmp important c2.c
+	! test -f .git/MERGE_HEAD &&
+	test_cmp important c2.t
 '
 
 test_expect_success 'will not overwrite new file' '
 	git reset --hard c1 &&
-	cat important > c2.c &&
-	git add c2.c &&
+	cp important c2.t &&
+	git add c2.t &&
 	test_must_fail git merge c2 &&
-	test_cmp important c2.c
+	! test -f .git/MERGE_HEAD &&
+	test_cmp important c2.t
 '
 
 test_expect_success 'will not overwrite staged changes' '
 	git reset --hard c1 &&
-	cat important > c2.c &&
-	git add c2.c &&
-	rm c2.c &&
+	cp important c2.t &&
+	git add c2.t &&
+	rm c2.t &&
 	test_must_fail git merge c2 &&
-	git checkout c2.c &&
-	test_cmp important c2.c
+	! test -f .git/MERGE_HEAD &&
+	git checkout c2.t &&
+	test_cmp important c2.t
 '
 
 test_expect_success 'will not overwrite removed file' '
 	git reset --hard c1 &&
-	git rm c1.c &&
-	git commit -m "rm c1.c" &&
-	cat important > c1.c &&
+	git rm c1.t &&
+	git commit -m "rm c1.t" &&
+	cp important c1.t &&
 	test_must_fail git merge c1a &&
-	test_cmp important c1.c
+	test_cmp important c1.t
 '
 
 test_expect_success 'will not overwrite re-added file' '
 	git reset --hard c1 &&
-	git rm c1.c &&
-	git commit -m "rm c1.c" &&
-	cat important > c1.c &&
-	git add c1.c &&
+	git rm c1.t &&
+	git commit -m "rm c1.t" &&
+	cp important c1.t &&
+	git add c1.t &&
 	test_must_fail git merge c1a &&
-	test_cmp important c1.c
+	! test -f .git/MERGE_HEAD &&
+	test_cmp important c1.t
 '
 
 test_expect_success 'will not overwrite removed file with staged changes' '
 	git reset --hard c1 &&
-	git rm c1.c &&
-	git commit -m "rm c1.c" &&
-	cat important > c1.c &&
-	git add c1.c &&
-	rm c1.c &&
+	git rm c1.t &&
+	git commit -m "rm c1.t" &&
+	cp important c1.t &&
+	git add c1.t &&
+	rm c1.t &&
 	test_must_fail git merge c1a &&
-	git checkout c1.c &&
-	test_cmp important c1.c
+	! test -f .git/MERGE_HEAD &&
+	git checkout c1.t &&
+	test_cmp important c1.t
 '
 
 test_done
-- 
1.7.1.571.gba4d01