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executable file 166 lines (138 sloc) 3.717 kb
#!/bin/sh
test_description='checkout into detached HEAD state'
. ./test-lib.sh
check_detached () {
test_must_fail git symbolic-ref -q HEAD >/dev/null
}
check_not_detached () {
git symbolic-ref -q HEAD >/dev/null
}
PREV_HEAD_DESC='Previous HEAD position was'
check_orphan_warning() {
test_i18ngrep "you are leaving $2 behind" "$1" &&
test_i18ngrep ! "$PREV_HEAD_DESC" "$1"
}
check_no_orphan_warning() {
test_i18ngrep ! "you are leaving .* commit.*behind" "$1" &&
test_i18ngrep "$PREV_HEAD_DESC" "$1"
}
reset () {
git checkout master &&
check_not_detached
}
test_expect_success 'setup' '
test_commit one &&
test_commit two &&
test_commit three && git tag -d three &&
test_commit four && git tag -d four &&
git branch branch &&
git tag tag
'
test_expect_success 'checkout branch does not detach' '
reset &&
git checkout branch &&
check_not_detached
'
test_expect_success 'checkout tag detaches' '
reset &&
git checkout tag &&
check_detached
'
test_expect_success 'checkout branch by full name detaches' '
reset &&
git checkout refs/heads/branch &&
check_detached
'
test_expect_success 'checkout non-ref detaches' '
reset &&
git checkout branch^ &&
check_detached
'
test_expect_success 'checkout ref^0 detaches' '
reset &&
git checkout branch^0 &&
check_detached
'
test_expect_success 'checkout --detach detaches' '
reset &&
git checkout --detach branch &&
check_detached
'
test_expect_success 'checkout --detach without branch name' '
reset &&
git checkout --detach &&
check_detached
'
test_expect_success 'checkout --detach errors out for non-commit' '
reset &&
test_must_fail git checkout --detach one^{tree} &&
check_not_detached
'
test_expect_success 'checkout --detach errors out for extra argument' '
reset &&
git checkout master &&
test_must_fail git checkout --detach tag one.t &&
check_not_detached
'
test_expect_success 'checkout --detached and -b are incompatible' '
reset &&
test_must_fail git checkout --detach -b newbranch tag &&
check_not_detached
'
test_expect_success 'checkout --detach moves HEAD' '
reset &&
git checkout one &&
git checkout --detach two &&
git diff --exit-code HEAD &&
git diff --exit-code two
'
test_expect_success 'checkout warns on orphan commits' '
reset &&
git checkout --detach two &&
echo content >orphan &&
git add orphan &&
git commit -a -m orphan1 &&
echo new content >orphan &&
git commit -a -m orphan2 &&
orphan2=$(git rev-parse HEAD) &&
git checkout master 2>stderr
'
test_expect_success 'checkout warns on orphan commits: output' '
check_orphan_warning stderr "2 commits"
'
test_expect_success 'checkout warns orphaning 1 of 2 commits' '
git checkout "$orphan2" &&
git checkout HEAD^ 2>stderr
'
test_expect_success 'checkout warns orphaning 1 of 2 commits: output' '
check_orphan_warning stderr "1 commit"
'
test_expect_success 'checkout does not warn leaving ref tip' '
reset &&
git checkout --detach two &&
git checkout master 2>stderr
'
test_expect_success 'checkout does not warn leaving ref tip' '
check_no_orphan_warning stderr
'
test_expect_success 'checkout does not warn leaving reachable commit' '
reset &&
git checkout --detach HEAD^ &&
git checkout master 2>stderr
'
test_expect_success 'checkout does not warn leaving reachable commit' '
check_no_orphan_warning stderr
'
cat >expect <<'EOF'
Your branch is behind 'master' by 1 commit, and can be fast-forwarded.
EOF
test_expect_success 'tracking count is accurate after orphan check' '
reset &&
git branch child master^ &&
git config branch.child.remote . &&
git config branch.child.merge refs/heads/master &&
git checkout child^ &&
git checkout child >stdout &&
test_i18ncmp expect stdout
'
test_done
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