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![Denton Liu](/assets/img/avatar_default.png)
As part of the effort to become more hash-agnostic, replace all instances of "sha" with "oid". Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
242 lines
6 KiB
Bash
Executable file
242 lines
6 KiB
Bash
Executable file
#!/bin/sh
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test_description='checkout'
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. ./test-lib.sh
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# Arguments: [!] <branch> <oid> [<checkout options>]
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#
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# Runs "git checkout" to switch to <branch>, testing that
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#
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# 1) we are on the specified branch, <branch>;
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# 2) HEAD is <oid>; if <oid> is not specified, the old HEAD is used.
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#
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# If <checkout options> is not specified, "git checkout" is run with -b.
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#
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# If the first argument is `!`, "git checkout" is expected to fail when
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# it is run.
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do_checkout () {
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should_fail= &&
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if test "x$1" = "x!"
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then
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should_fail=yes &&
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shift
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fi &&
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exp_branch=$1 &&
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exp_ref="refs/heads/$exp_branch" &&
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# if <oid> is not specified, use HEAD.
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exp_oid=${2:-$(git rev-parse --verify HEAD)} &&
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# default options for git checkout: -b
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if test -z "$3"
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then
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opts="-b"
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else
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opts="$3"
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fi
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if test -n "$should_fail"
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then
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test_must_fail git checkout $opts $exp_branch $exp_oid
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else
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git checkout $opts $exp_branch $exp_oid &&
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echo "$exp_ref" >ref.expect &&
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git rev-parse --symbolic-full-name HEAD >ref.actual &&
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test_cmp ref.expect ref.actual &&
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echo "$exp_oid" >oid.expect &&
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git rev-parse --verify HEAD >oid.actual &&
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test_cmp oid.expect oid.actual
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fi
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}
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test_dirty_unmergeable () {
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test_expect_code 1 git diff --exit-code
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}
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test_dirty_unmergeable_discards_changes () {
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git diff --exit-code
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}
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setup_dirty_unmergeable () {
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echo >>file1 change2
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}
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test_dirty_mergeable () {
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test_expect_code 1 git diff --cached --exit-code
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}
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test_dirty_mergeable_discards_changes () {
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git diff --cached --exit-code
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}
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setup_dirty_mergeable () {
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echo >file2 file2 &&
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git add file2
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}
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test_expect_success 'setup' '
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test_commit initial file1 &&
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HEAD1=$(git rev-parse --verify HEAD) &&
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test_commit change1 file1 &&
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HEAD2=$(git rev-parse --verify HEAD) &&
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git branch -m branch1
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'
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test_expect_success 'checkout -b to a new branch, set to HEAD' '
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test_when_finished "
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git checkout branch1 &&
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test_might_fail git branch -D branch2" &&
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do_checkout branch2
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'
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test_expect_success 'checkout -b to a merge base' '
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test_when_finished "
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git checkout branch1 &&
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test_might_fail git branch -D branch2" &&
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git checkout -b branch2 branch1...
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'
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test_expect_success 'checkout -b to a new branch, set to an explicit ref' '
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test_when_finished "
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git checkout branch1 &&
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test_might_fail git branch -D branch2" &&
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do_checkout branch2 $HEAD1
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'
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test_expect_success 'checkout -b to a new branch with unmergeable changes fails' '
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setup_dirty_unmergeable &&
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do_checkout ! branch2 $HEAD1 &&
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test_dirty_unmergeable
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'
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test_expect_success 'checkout -f -b to a new branch with unmergeable changes discards changes' '
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test_when_finished "
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git checkout branch1 &&
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test_might_fail git branch -D branch2" &&
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# still dirty and on branch1
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do_checkout branch2 $HEAD1 "-f -b" &&
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test_dirty_unmergeable_discards_changes
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'
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test_expect_success 'checkout -b to a new branch preserves mergeable changes' '
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test_when_finished "
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git reset --hard &&
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git checkout branch1 &&
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test_might_fail git branch -D branch2" &&
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setup_dirty_mergeable &&
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do_checkout branch2 $HEAD1 &&
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test_dirty_mergeable
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'
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test_expect_success 'checkout -f -b to a new branch with mergeable changes discards changes' '
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test_when_finished git reset --hard HEAD &&
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setup_dirty_mergeable &&
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do_checkout branch2 $HEAD1 "-f -b" &&
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test_dirty_mergeable_discards_changes
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'
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test_expect_success 'checkout -b to an existing branch fails' '
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test_when_finished git reset --hard HEAD &&
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do_checkout ! branch2 $HEAD2
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'
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test_expect_success 'checkout -b to @{-1} fails with the right branch name' '
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git checkout branch1 &&
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git checkout branch2 &&
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echo >expect "fatal: A branch named '\''branch1'\'' already exists." &&
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test_must_fail git checkout -b @{-1} 2>actual &&
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test_i18ncmp expect actual
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'
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test_expect_success 'checkout -B to an existing branch resets branch to HEAD' '
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git checkout branch1 &&
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do_checkout branch2 "" -B
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'
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test_expect_success 'checkout -B to a merge base' '
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git checkout branch1 &&
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git checkout -B branch2 branch1...
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'
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test_expect_success 'checkout -B to an existing branch from detached HEAD resets branch to HEAD' '
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head=$(git rev-parse --verify HEAD) &&
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git checkout "$head" &&
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do_checkout branch2 "" -B
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'
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test_expect_success 'checkout -B to an existing branch with an explicit ref resets branch to that ref' '
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git checkout branch1 &&
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do_checkout branch2 $HEAD1 -B
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'
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test_expect_success 'checkout -B to an existing branch with unmergeable changes fails' '
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git checkout branch1 &&
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setup_dirty_unmergeable &&
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do_checkout ! branch2 $HEAD1 -B &&
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test_dirty_unmergeable
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'
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test_expect_success 'checkout -f -B to an existing branch with unmergeable changes discards changes' '
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# still dirty and on branch1
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do_checkout branch2 $HEAD1 "-f -B" &&
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test_dirty_unmergeable_discards_changes
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'
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test_expect_success 'checkout -B to an existing branch preserves mergeable changes' '
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test_when_finished git reset --hard &&
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git checkout branch1 &&
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setup_dirty_mergeable &&
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do_checkout branch2 $HEAD1 -B &&
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test_dirty_mergeable
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'
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test_expect_success 'checkout -f -B to an existing branch with mergeable changes discards changes' '
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git checkout branch1 &&
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setup_dirty_mergeable &&
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do_checkout branch2 $HEAD1 "-f -B" &&
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test_dirty_mergeable_discards_changes
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'
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test_expect_success 'checkout -b <describe>' '
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git tag -f -m "First commit" initial initial &&
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git checkout -f change1 &&
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name=$(git describe) &&
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git checkout -b $name &&
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git diff --exit-code change1 &&
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echo "refs/heads/$name" >expect &&
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git symbolic-ref HEAD >actual &&
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test_cmp expect actual
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'
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test_expect_success 'checkout -B to the current branch works' '
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git checkout branch1 &&
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git checkout -B branch1-scratch &&
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setup_dirty_mergeable &&
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git checkout -B branch1-scratch initial &&
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test_dirty_mergeable
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'
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test_expect_success 'checkout -b after clone --no-checkout does a checkout of HEAD' '
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git init src &&
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test_commit -C src a &&
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rev="$(git -C src rev-parse HEAD)" &&
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git clone --no-checkout src dest &&
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git -C dest checkout "$rev" -b branch &&
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test_path_is_file dest/a.t
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'
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test_done
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