# Copyright (c) 2006 Junio C Hamano
#
-test_description='git-checkout tests.
+test_description='git checkout tests.
Creates master, forks renamer and side branches from it.
Test switching across them.
test "$(git config branch.track2.merge)"
git config branch.autosetupmerge false'
-test_expect_success \
- 'checkout w/--track from non-branch HEAD fails' '
- git checkout -b delete-me master &&
- rm .git/refs/heads/delete-me &&
- test refs/heads/delete-me = "$(git symbolic-ref HEAD)" &&
- test_must_fail git checkout --track -b track'
+test_expect_success 'checkout w/--track from non-branch HEAD fails' '
+ git checkout master^0 &&
+ test_must_fail git symbolic-ref HEAD &&
+ test_must_fail git checkout --track -b track &&
+ test_must_fail git rev-parse --verify track &&
+ test_must_fail git symbolic-ref HEAD &&
+ test "z$(git rev-parse master^0)" = "z$(git rev-parse HEAD)"
+'
+
+test_expect_success 'detach a symbolic link HEAD' '
+ git checkout master &&
+ git config --bool core.prefersymlinkrefs yes &&
+ git checkout side &&
+ git checkout master &&
+ it=$(git symbolic-ref HEAD) &&
+ test "z$it" = zrefs/heads/master &&
+ here=$(git rev-parse --verify refs/heads/master) &&
+ git checkout side^ &&
+ test "z$(git rev-parse --verify refs/heads/master)" = "z$here"
+'
+
+test_expect_success 'checkout an unmerged path should fail' '
+ rm -f .git/index &&
+ O=$(echo original | git hash-object -w --stdin) &&
+ A=$(echo ourside | git hash-object -w --stdin) &&
+ B=$(echo theirside | git hash-object -w --stdin) &&
+ (
+ echo "100644 $A 0 fild" &&
+ echo "100644 $O 1 file" &&
+ echo "100644 $A 2 file" &&
+ echo "100644 $B 3 file" &&
+ echo "100644 $A 0 filf"
+ ) | git update-index --index-info &&
+ echo "none of the above" >sample &&
+ cat sample >fild &&
+ cat sample >file &&
+ cat sample >filf &&
+ test_must_fail git checkout fild file filf &&
+ test_cmp sample fild &&
+ test_cmp sample filf &&
+ test_cmp sample file
+'
+
+test_expect_success 'failing checkout -b should not break working tree' '
+ git reset --hard master &&
+ git symbolic-ref HEAD refs/heads/master &&
+ test_must_fail git checkout -b renamer side^ &&
+ test $(git symbolic-ref HEAD) = refs/heads/master &&
+ git diff --exit-code &&
+ git diff --cached --exit-code
+
+'
test_done