git branch -l d/e/f &&
test -f .git/refs/heads/d/e/f &&
test -f .git/logs/refs/heads/d/e/f &&
- diff expect .git/logs/refs/heads/d/e/f'
+ test_cmp expect .git/logs/refs/heads/d/e/f'
test_expect_success \
'git branch -d d/e/f should delete a branch and a log' \
git checkout -b g/h/i -l master &&
test -f .git/refs/heads/g/h/i &&
test -f .git/logs/refs/heads/g/h/i &&
- diff expect .git/logs/refs/heads/g/h/i'
+ test_cmp expect .git/logs/refs/heads/g/h/i'
+
+test_expect_success 'checkout -b makes reflog by default' '
+ git checkout master &&
+ git config --unset core.logAllRefUpdates &&
+ git checkout -b alpha &&
+ git rev-parse --verify alpha@{0}
+'
+
+test_expect_success 'checkout -b does not make reflog when core.logAllRefUpdates = false' '
+ git checkout master &&
+ git config core.logAllRefUpdates false &&
+ git checkout -b beta &&
+ test_must_fail git rev-parse --verify beta@{0}
+'
+
+test_expect_success 'checkout -b with -l makes reflog when core.logAllRefUpdates = false' '
+ git checkout master &&
+ git checkout -lb gamma &&
+ git config --unset core.logAllRefUpdates &&
+ git rev-parse --verify gamma@{0}
+'
test_expect_success 'avoid ambiguous track' '
git config branch.autosetupmerge true &&
git config --unset branch.autosetuprebase
'
+test_expect_success 'attempt to delete a branch without base and unmerged to HEAD' '
+ git checkout my9 &&
+ git config --unset branch.my8.merge &&
+ test_must_fail git branch -d my8
+'
+
+test_expect_success 'attempt to delete a branch merged to its base' '
+ # we are on my9 which is the initial commit; traditionally
+ # we would not have allowed deleting my8 that is not merged
+ # to my9, but it is set to track master that already has my8
+ git config branch.my8.merge refs/heads/master &&
+ git branch -d my8
+'
+
+test_expect_success 'attempt to delete a branch merged to its base' '
+ git checkout master &&
+ echo Third >>A &&
+ git commit -m "Third commit" A &&
+ git branch -t my10 my9 &&
+ git branch -f my10 HEAD^ &&
+ # we are on master which is at the third commit, and my10
+ # is behind us, so traditionally we would have allowed deleting
+ # it; but my10 is set to track my9 that is further behind.
+ test_must_fail git branch -d my10
+'
+
test_done