Tests: debpolicy-newreject: Make and use a tag at the start

diff --git a/tests/tests/debpolicy-newreject b/tests/tests/debpolicy-newreject
index 00972e747fe8b0483bbd8ea6927e045e891c9387..19b1e15e5223951d47ef034342c7ad076304306c 100755 (executable)
--- a/tests/tests/debpolicy-newreject
+++ b/tests/tests/debpolicy-newreject
@@ -17,6 +17,8 @@ t-commit () {
        revision=$(( $revision + 1 ))
 }
 
+git tag start
+
 echo FORBIDDEN >debian/some-file
 git add debian/some-file
 t-commit 'Commit a forbidden thing'
@@ -29,7 +31,7 @@ t-expect-fail 'forbidden for testing' \
 t-dgit push --new
 t-git-dir-check enoent
 
-git reset --hard HEAD~
+git reset --hard start
 t-commit 'will vanish from NEW'
 vanished=$v
 t-dgit build