351 lines
9.4 KiB
Bash
Executable File
351 lines
9.4 KiB
Bash
Executable File
#!/bin/sh
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test_description='checkout <branch>
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Ensures that checkout on an unborn branch does what the user expects'
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. ./test-lib.sh
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# Is the current branch "refs/heads/$1"?
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test_branch () {
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printf "%s\n" "refs/heads/$1" >expect.HEAD &&
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git symbolic-ref HEAD >actual.HEAD &&
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test_cmp expect.HEAD actual.HEAD
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}
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# Is branch "refs/heads/$1" set to pull from "$2/$3"?
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test_branch_upstream () {
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printf "%s\n" "$2" "refs/heads/$3" >expect.upstream &&
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{
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git config "branch.$1.remote" &&
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git config "branch.$1.merge"
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} >actual.upstream &&
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test_cmp expect.upstream actual.upstream
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}
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status_uno_is_clean () {
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git status -uno --porcelain >status.actual &&
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test_must_be_empty status.actual
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}
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test_expect_success 'setup' '
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test_commit my_main &&
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git init repo_a &&
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(
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cd repo_a &&
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test_commit a_main &&
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git checkout -b foo &&
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test_commit a_foo &&
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git checkout -b bar &&
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test_commit a_bar &&
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git checkout -b ambiguous_branch_and_file &&
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test_commit a_ambiguous_branch_and_file
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) &&
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git init repo_b &&
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(
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cd repo_b &&
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test_commit b_main &&
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git checkout -b foo &&
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test_commit b_foo &&
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git checkout -b baz &&
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test_commit b_baz &&
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git checkout -b ambiguous_branch_and_file &&
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test_commit b_ambiguous_branch_and_file
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) &&
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git remote add repo_a repo_a &&
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git remote add repo_b repo_b &&
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git config remote.repo_b.fetch \
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"+refs/heads/*:refs/remotes/other_b/*" &&
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git fetch --all
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'
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test_expect_success 'checkout of non-existing branch fails' '
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git checkout -B main &&
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test_might_fail git branch -D xyzzy &&
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test_must_fail git checkout xyzzy &&
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status_uno_is_clean &&
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test_must_fail git rev-parse --verify refs/heads/xyzzy &&
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test_branch main
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'
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test_expect_success 'checkout of branch from multiple remotes fails #1' '
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git checkout -B main &&
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test_might_fail git branch -D foo &&
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test_must_fail git checkout foo &&
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status_uno_is_clean &&
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test_must_fail git rev-parse --verify refs/heads/foo &&
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test_branch main
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'
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test_expect_success 'when arg matches multiple remotes, do not fallback to interpreting as pathspec' '
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# create a file with name matching remote branch name
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git checkout -b t_ambiguous_branch_and_file &&
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>ambiguous_branch_and_file &&
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git add ambiguous_branch_and_file &&
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git commit -m "ambiguous_branch_and_file" &&
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# modify file to verify that it will not be touched by checkout
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test_when_finished "git checkout -- ambiguous_branch_and_file" &&
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echo "file contents" >ambiguous_branch_and_file &&
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cp ambiguous_branch_and_file expect &&
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test_must_fail git checkout ambiguous_branch_and_file 2>err &&
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test_grep "matched multiple (2) remote tracking branches" err &&
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# file must not be altered
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test_cmp expect ambiguous_branch_and_file
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'
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test_expect_success 'checkout of branch from multiple remotes fails with advice' '
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git checkout -B main &&
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test_might_fail git branch -D foo &&
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test_must_fail git checkout foo 2>stderr &&
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test_branch main &&
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status_uno_is_clean &&
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test_grep "^hint: " stderr &&
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test_must_fail git -c advice.checkoutAmbiguousRemoteBranchName=false \
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checkout foo 2>stderr &&
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test_branch main &&
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status_uno_is_clean &&
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test_grep ! "^hint: " stderr
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'
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test_expect_success 'checkout -p with multiple remotes does not print advice' '
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git checkout -B main &&
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test_might_fail git branch -D foo &&
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git checkout -p foo 2>stderr &&
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test_grep ! "^hint: " stderr &&
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status_uno_is_clean
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'
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test_expect_success 'checkout of branch from multiple remotes succeeds with checkout.defaultRemote #1' '
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git checkout -B main &&
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status_uno_is_clean &&
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test_might_fail git branch -D foo &&
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git -c checkout.defaultRemote=repo_a checkout foo &&
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status_uno_is_clean &&
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test_branch foo &&
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test_cmp_rev remotes/repo_a/foo HEAD &&
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test_branch_upstream foo repo_a foo
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'
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test_expect_success 'checkout of branch from a single remote succeeds #1' '
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git checkout -B main &&
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test_might_fail git branch -D bar &&
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git checkout bar &&
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status_uno_is_clean &&
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test_branch bar &&
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test_cmp_rev remotes/repo_a/bar HEAD &&
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test_branch_upstream bar repo_a bar
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'
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test_expect_success 'checkout of branch from a single remote succeeds #2' '
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git checkout -B main &&
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test_might_fail git branch -D baz &&
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git checkout baz &&
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status_uno_is_clean &&
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test_branch baz &&
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test_cmp_rev remotes/other_b/baz HEAD &&
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test_branch_upstream baz repo_b baz
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'
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test_expect_success '--no-guess suppresses branch auto-vivification' '
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git checkout -B main &&
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status_uno_is_clean &&
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test_might_fail git branch -D bar &&
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test_must_fail git checkout --no-guess bar &&
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test_must_fail git rev-parse --verify refs/heads/bar &&
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test_branch main
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'
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test_expect_success 'checkout.guess = false suppresses branch auto-vivification' '
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git checkout -B main &&
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status_uno_is_clean &&
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test_might_fail git branch -D bar &&
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test_config checkout.guess false &&
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test_must_fail git checkout bar &&
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test_must_fail git rev-parse --verify refs/heads/bar &&
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test_branch main
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'
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test_expect_success 'setup more remotes with unconventional refspecs' '
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git checkout -B main &&
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status_uno_is_clean &&
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git init repo_c &&
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(
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cd repo_c &&
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test_commit c_main &&
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git checkout -b bar &&
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test_commit c_bar &&
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git checkout -b spam &&
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test_commit c_spam
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) &&
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git init repo_d &&
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(
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cd repo_d &&
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test_commit d_main &&
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git checkout -b baz &&
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test_commit d_baz &&
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git checkout -b eggs &&
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test_commit d_eggs
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) &&
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git remote add repo_c repo_c &&
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git config remote.repo_c.fetch \
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"+refs/heads/*:refs/remotes/extra_dir/repo_c/extra_dir/*" &&
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git remote add repo_d repo_d &&
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git config remote.repo_d.fetch \
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"+refs/heads/*:refs/repo_d/*" &&
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git fetch --all
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'
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test_expect_success 'checkout of branch from multiple remotes fails #2' '
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git checkout -B main &&
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status_uno_is_clean &&
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test_might_fail git branch -D bar &&
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test_must_fail git checkout bar &&
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status_uno_is_clean &&
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test_must_fail git rev-parse --verify refs/heads/bar &&
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test_branch main
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'
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test_expect_success 'checkout of branch from multiple remotes fails #3' '
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git checkout -B main &&
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status_uno_is_clean &&
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test_might_fail git branch -D baz &&
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test_must_fail git checkout baz &&
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status_uno_is_clean &&
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test_must_fail git rev-parse --verify refs/heads/baz &&
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test_branch main
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'
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test_expect_success 'checkout of branch from a single remote succeeds #3' '
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git checkout -B main &&
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status_uno_is_clean &&
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test_might_fail git branch -D spam &&
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git checkout spam &&
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status_uno_is_clean &&
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test_branch spam &&
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test_cmp_rev refs/remotes/extra_dir/repo_c/extra_dir/spam HEAD &&
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test_branch_upstream spam repo_c spam
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'
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test_expect_success 'checkout of branch from a single remote succeeds #4' '
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git checkout -B main &&
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status_uno_is_clean &&
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test_might_fail git branch -D eggs &&
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git checkout eggs &&
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status_uno_is_clean &&
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test_branch eggs &&
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test_cmp_rev refs/repo_d/eggs HEAD &&
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test_branch_upstream eggs repo_d eggs
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'
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test_expect_success 'checkout of branch with a file having the same name fails' '
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git checkout -B main &&
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status_uno_is_clean &&
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test_might_fail git branch -D spam &&
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>spam &&
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test_must_fail git checkout spam &&
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status_uno_is_clean &&
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test_must_fail git rev-parse --verify refs/heads/spam &&
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test_branch main
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'
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test_expect_success 'checkout of branch with a file in subdir having the same name fails' '
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git checkout -B main &&
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status_uno_is_clean &&
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test_might_fail git branch -D spam &&
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>spam &&
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mkdir sub &&
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mv spam sub/spam &&
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test_must_fail git -C sub checkout spam &&
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status_uno_is_clean &&
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test_must_fail git rev-parse --verify refs/heads/spam &&
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test_branch main
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'
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test_expect_success 'checkout <branch> -- succeeds, even if a file with the same name exists' '
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git checkout -B main &&
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status_uno_is_clean &&
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test_might_fail git branch -D spam &&
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>spam &&
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git checkout spam -- &&
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status_uno_is_clean &&
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test_branch spam &&
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test_cmp_rev refs/remotes/extra_dir/repo_c/extra_dir/spam HEAD &&
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test_branch_upstream spam repo_c spam
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'
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test_expect_success 'loosely defined local base branch is reported correctly' '
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git checkout main &&
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status_uno_is_clean &&
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git branch strict &&
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git branch loose &&
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git commit --allow-empty -m "a bit more" &&
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test_config branch.strict.remote . &&
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test_config branch.loose.remote . &&
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test_config branch.strict.merge refs/heads/main &&
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test_config branch.loose.merge main &&
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git checkout strict >expect.raw 2>&1 &&
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sed -e "s/strict/BRANCHNAME/g" <expect.raw >expect &&
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status_uno_is_clean &&
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git checkout loose >actual.raw 2>&1 &&
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sed -e "s/loose/BRANCHNAME/g" <actual.raw >actual &&
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status_uno_is_clean &&
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grep BRANCHNAME actual &&
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test_cmp expect actual
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'
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test_expect_success 'reject when arg could be part of dwim branch' '
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git remote add foo file://non-existent-place &&
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git update-ref refs/remotes/foo/dwim-arg HEAD &&
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echo foo >dwim-arg &&
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git add dwim-arg &&
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echo bar >dwim-arg &&
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test_must_fail git checkout dwim-arg &&
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test_must_fail git rev-parse refs/heads/dwim-arg -- &&
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grep bar dwim-arg
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'
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test_expect_success 'disambiguate dwim branch and checkout path (1)' '
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git update-ref refs/remotes/foo/dwim-arg1 HEAD &&
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echo foo >dwim-arg1 &&
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git add dwim-arg1 &&
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echo bar >dwim-arg1 &&
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git checkout -- dwim-arg1 &&
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test_must_fail git rev-parse refs/heads/dwim-arg1 -- &&
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grep foo dwim-arg1
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'
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test_expect_success 'disambiguate dwim branch and checkout path (2)' '
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git update-ref refs/remotes/foo/dwim-arg2 HEAD &&
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echo foo >dwim-arg2 &&
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git add dwim-arg2 &&
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echo bar >dwim-arg2 &&
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git checkout dwim-arg2 -- &&
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git rev-parse refs/heads/dwim-arg2 -- &&
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grep bar dwim-arg2
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'
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test_done
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