| #!/bin/sh |
| |
| test_description='basic symbolic-ref tests' |
| . ./test-lib.sh |
| |
| # If the tests munging HEAD fail, they can break detection of |
| # the git repo, meaning that further tests will operate on |
| # the surrounding git repo instead of the trash directory. |
| reset_to_sane() { |
| echo ref: refs/heads/foo >.git/HEAD |
| } |
| |
| test_expect_success 'symbolic-ref writes HEAD' ' |
| git symbolic-ref HEAD refs/heads/foo && |
| echo ref: refs/heads/foo >expect && |
| test_cmp expect .git/HEAD |
| ' |
| |
| test_expect_success 'symbolic-ref reads HEAD' ' |
| echo refs/heads/foo >expect && |
| git symbolic-ref HEAD >actual && |
| test_cmp expect actual |
| ' |
| |
| test_expect_success 'symbolic-ref refuses non-ref for HEAD' ' |
| test_must_fail git symbolic-ref HEAD foo |
| ' |
| reset_to_sane |
| |
| test_expect_success 'symbolic-ref refuses bare sha1' ' |
| echo content >file && git add file && git commit -m one && |
| test_must_fail git symbolic-ref HEAD $(git rev-parse HEAD) |
| ' |
| reset_to_sane |
| |
| test_expect_success 'HEAD cannot be removed' ' |
| test_must_fail git symbolic-ref -d HEAD |
| ' |
| |
| reset_to_sane |
| |
| test_expect_success 'symbolic-ref can be deleted' ' |
| git symbolic-ref NOTHEAD refs/heads/foo && |
| git symbolic-ref -d NOTHEAD && |
| test_path_is_file .git/refs/heads/foo && |
| test_path_is_missing .git/NOTHEAD |
| ' |
| reset_to_sane |
| |
| test_expect_success 'symbolic-ref can delete dangling symref' ' |
| git symbolic-ref NOTHEAD refs/heads/missing && |
| git symbolic-ref -d NOTHEAD && |
| test_path_is_missing .git/refs/heads/missing && |
| test_path_is_missing .git/NOTHEAD |
| ' |
| reset_to_sane |
| |
| test_expect_success 'symbolic-ref fails to delete missing FOO' ' |
| echo "fatal: Cannot delete FOO, not a symbolic ref" >expect && |
| test_must_fail git symbolic-ref -d FOO >actual 2>&1 && |
| test_cmp expect actual |
| ' |
| reset_to_sane |
| |
| test_expect_success 'symbolic-ref fails to delete real ref' ' |
| echo "fatal: Cannot delete refs/heads/foo, not a symbolic ref" >expect && |
| test_must_fail git symbolic-ref -d refs/heads/foo >actual 2>&1 && |
| git rev-parse --verify refs/heads/foo && |
| test_cmp expect actual |
| ' |
| reset_to_sane |
| |
| test_expect_success 'create large ref name' ' |
| # make 256+ character ref; some systems may not handle that, |
| # so be gentle |
| long=0123456789abcdef && |
| long=$long/$long/$long/$long && |
| long=$long/$long/$long/$long && |
| long_ref=refs/heads/$long && |
| tree=$(git write-tree) && |
| commit=$(echo foo | git commit-tree $tree) && |
| if git update-ref $long_ref $commit; then |
| test_set_prereq LONG_REF |
| else |
| echo >&2 "long refs not supported" |
| fi |
| ' |
| |
| test_expect_success LONG_REF 'symbolic-ref can point to large ref name' ' |
| git symbolic-ref HEAD $long_ref && |
| echo $long_ref >expect && |
| git symbolic-ref HEAD >actual && |
| test_cmp expect actual |
| ' |
| |
| test_expect_success LONG_REF 'we can parse long symbolic ref' ' |
| echo $commit >expect && |
| git rev-parse --verify HEAD >actual && |
| test_cmp expect actual |
| ' |
| |
| test_expect_success 'symbolic-ref reports failure in exit code' ' |
| test_when_finished "rm -f .git/HEAD.lock" && |
| >.git/HEAD.lock && |
| test_must_fail git symbolic-ref HEAD refs/heads/whatever |
| ' |
| |
| test_expect_success 'symbolic-ref writes reflog entry' ' |
| git checkout -b log1 && |
| test_commit one && |
| git checkout -b log2 && |
| test_commit two && |
| git checkout --orphan orphan && |
| git symbolic-ref -m create HEAD refs/heads/log1 && |
| git symbolic-ref -m update HEAD refs/heads/log2 && |
| cat >expect <<-\EOF && |
| update |
| create |
| EOF |
| git log --format=%gs -g -2 >actual && |
| test_cmp expect actual |
| ' |
| |
| test_expect_success 'symbolic-ref does not create ref d/f conflicts' ' |
| git checkout -b df && |
| test_commit df && |
| test_must_fail git symbolic-ref refs/heads/df/conflict refs/heads/df && |
| git pack-refs --all --prune && |
| test_must_fail git symbolic-ref refs/heads/df/conflict refs/heads/df |
| ' |
| |
| test_expect_success 'symbolic-ref can overwrite pointer to invalid name' ' |
| test_when_finished reset_to_sane && |
| head=$(git rev-parse HEAD) && |
| git symbolic-ref HEAD refs/heads/outer && |
| test_when_finished "git update-ref -d refs/heads/outer/inner" && |
| git update-ref refs/heads/outer/inner $head && |
| git symbolic-ref HEAD refs/heads/unrelated |
| ' |
| |
| test_expect_success 'symbolic-ref can resolve d/f name (EISDIR)' ' |
| test_when_finished reset_to_sane && |
| head=$(git rev-parse HEAD) && |
| git symbolic-ref HEAD refs/heads/outer/inner && |
| test_when_finished "git update-ref -d refs/heads/outer" && |
| git update-ref refs/heads/outer $head && |
| echo refs/heads/outer/inner >expect && |
| git symbolic-ref HEAD >actual && |
| test_cmp expect actual |
| ' |
| |
| test_expect_success 'symbolic-ref can resolve d/f name (ENOTDIR)' ' |
| test_when_finished reset_to_sane && |
| head=$(git rev-parse HEAD) && |
| git symbolic-ref HEAD refs/heads/outer && |
| test_when_finished "git update-ref -d refs/heads/outer/inner" && |
| git update-ref refs/heads/outer/inner $head && |
| echo refs/heads/outer >expect && |
| git symbolic-ref HEAD >actual && |
| test_cmp expect actual |
| ' |
| |
| test_done |