Merge branch 'rs/branch-allow-deleting-dangling'

"git branch -D <branch>" used to refuse to remove a broken branch
ref that points at a missing commit, which has been corrected.

* rs/branch-allow-deleting-dangling:
  branch: allow deleting dangling branches with --force
This commit is contained in:
Junio C Hamano 2021-09-08 13:30:32 -07:00
commit ec8d24f05d
3 changed files with 16 additions and 2 deletions

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@ -118,7 +118,8 @@ OPTIONS
Reset <branchname> to <startpoint>, even if <branchname> exists Reset <branchname> to <startpoint>, even if <branchname> exists
already. Without `-f`, 'git branch' refuses to change an existing branch. already. Without `-f`, 'git branch' refuses to change an existing branch.
In combination with `-d` (or `--delete`), allow deleting the In combination with `-d` (or `--delete`), allow deleting the
branch irrespective of its merged status. In combination with branch irrespective of its merged status, or whether it even
points to a valid commit. In combination with
`-m` (or `--move`), allow renaming the branch even if the new `-m` (or `--move`), allow renaming the branch even if the new
branch name already exists, the same applies for `-c` (or `--copy`). branch name already exists, the same applies for `-c` (or `--copy`).

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@ -168,7 +168,7 @@ static int check_branch_commit(const char *branchname, const char *refname,
int kinds, int force) int kinds, int force)
{ {
struct commit *rev = lookup_commit_reference(the_repository, oid); struct commit *rev = lookup_commit_reference(the_repository, oid);
if (!rev) { if (!force && !rev) {
error(_("Couldn't look up commit object for '%s'"), refname); error(_("Couldn't look up commit object for '%s'"), refname);
return -1; return -1;
} }

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@ -1272,6 +1272,19 @@ test_expect_success 'attempt to delete a branch merged to its base' '
test_must_fail git branch -d my10 test_must_fail git branch -d my10
' '
test_expect_success 'branch --delete --force removes dangling branch' '
git checkout main &&
test_commit unstable &&
hash=$(git rev-parse HEAD) &&
objpath=$(echo $hash | sed -e "s|^..|.git/objects/&/|") &&
git branch --no-track dangling &&
mv $objpath $objpath.x &&
test_when_finished "mv $objpath.x $objpath" &&
git branch --delete --force dangling &&
git for-each-ref refs/heads/dangling >actual &&
test_must_be_empty actual
'
test_expect_success 'use --edit-description' ' test_expect_success 'use --edit-description' '
write_script editor <<-\EOF && write_script editor <<-\EOF &&
echo "New contents" >"$1" echo "New contents" >"$1"