git reflog exists refs/heads/n
'
+# The topmost entry in reflog for branch bbb is about branch creation.
+# Hence, we compare bbb@{1} (instead of bbb@{0}) with aaa@{0}.
+
+test_expect_success 'git branch -m bbb should rename checked out branch' '
+ test_when_finished git branch -D bbb &&
+ test_when_finished git checkout master &&
+ git checkout -b aaa &&
+ git commit --allow-empty -m "a new commit" &&
+ git rev-parse aaa@{0} >expect &&
+ git branch -m bbb &&
+ git rev-parse bbb@{1} >actual &&
+ test_cmp expect actual &&
+ git symbolic-ref HEAD >actual &&
+ echo refs/heads/bbb >expect &&
+ test_cmp expect actual
+'
+
test_expect_success 'git branch -m o/o o should fail when o/p exists' '
git branch o/o &&
git branch o/p &&
grep "^0\{40\}.*$msg$" .git/logs/HEAD
'
+test_expect_success 'git branch -M should leave orphaned HEAD alone' '
+ git init orphan &&
+ (
+ cd orphan &&
+ test_commit initial &&
+ git checkout --orphan lonely &&
+ grep lonely .git/HEAD &&
+ test_path_is_missing .git/refs/head/lonely &&
+ git branch -M master mistress &&
+ grep lonely .git/HEAD
+ )
+'
+
+test_expect_success 'resulting reflog can be shown by log -g' '
+ oid=$(git rev-parse HEAD) &&
+ cat >expect <<-EOF &&
+ HEAD@{0} $oid $msg
+ HEAD@{2} $oid checkout: moving from foo to baz
+ EOF
+ git log -g --format="%gd %H %gs" -2 HEAD >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'git branch -M baz bam should succeed when baz is checked out as linked working tree' '
git checkout master &&
git worktree add -b baz bazdir &&
test_expect_success 'use --set-upstream-to modify a particular branch' '
git branch my13 &&
git branch --set-upstream-to master my13 &&
+ test_when_finished "git branch --unset-upstream my13" &&
test "$(git config branch.my13.remote)" = "." &&
test "$(git config branch.my13.merge)" = "refs/heads/master"
'
test_must_fail git config branch.my14.merge
'
-test_expect_success '--set-upstream shows message when creating a new branch that exists as remote-tracking' '
- git update-ref refs/remotes/origin/master HEAD &&
- git branch --set-upstream origin/master 2>actual &&
- test_when_finished git update-ref -d refs/remotes/origin/master &&
- test_when_finished git branch -d origin/master &&
- cat >expected <<EOF &&
-The --set-upstream flag is deprecated and will be removed. Consider using --track or --set-upstream-to
-
-If you wanted to make '"'master'"' track '"'origin/master'"', do this:
-
- git branch -d origin/master
- git branch --set-upstream-to origin/master
-EOF
- test_i18ncmp expected actual
-'
-
-test_expect_success '--set-upstream with two args only shows the deprecation message' '
- git branch --set-upstream master my13 2>actual &&
- test_when_finished git branch --unset-upstream master &&
- cat >expected <<EOF &&
-The --set-upstream flag is deprecated and will be removed. Consider using --track or --set-upstream-to
-EOF
- test_i18ncmp expected actual
-'
-
-test_expect_success '--set-upstream with one arg only shows the deprecation message if the branch existed' '
- git branch --set-upstream my13 2>actual &&
- test_when_finished git branch --unset-upstream my13 &&
- cat >expected <<EOF &&
-The --set-upstream flag is deprecated and will be removed. Consider using --track or --set-upstream-to
-EOF
- test_i18ncmp expected actual
+test_expect_success '--set-upstream fails' '
+ test_must_fail git branch --set-upstream origin/master
'
test_expect_success '--set-upstream-to notices an error to set branch as own upstream' '
test_must_fail git branch -d my10
'
-test_expect_success 'use set-upstream on the current branch' '
- git checkout master &&
- git --bare init myupstream.git &&
- git push myupstream.git master:refs/heads/frotz &&
- git remote add origin myupstream.git &&
- git fetch &&
- git branch --set-upstream master origin/frotz &&
-
- test "z$(git config branch.master.remote)" = "zorigin" &&
- test "z$(git config branch.master.merge)" = "zrefs/heads/frotz"
-
-'
-
test_expect_success 'use --edit-description' '
write_script editor <<-\EOF &&
echo "New contents" >"$1"