FAKE_LINES="1 squash 2 3" git rebase -i A
'
+test_expect_success 'avoid unnecessary reset' '
+ git checkout master &&
+ test-chmtime =123456789 file3 &&
+ git update-index --refresh &&
+ HEAD=$(git rev-parse HEAD) &&
+ git rebase -i HEAD~4 &&
+ test $HEAD = $(git rev-parse HEAD) &&
+ MTIME=$(test-chmtime -v +0 file3 | sed 's/[^0-9].*$//') &&
+ test 123456789 = $MTIME
+'
+
test_done