# 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.
! [master] Initial A one, A two
* [renamer] Renamer R one->uno, M two
! [side] Side M one, D two, A three
- ---
- + [side] Side M one, D two, A three
- * [renamer] Renamer R one->uno, M two
- +*+ [master] Initial A one, A two
+ ! [simple] Simple D one, M two
+ ----
+ + [simple] Simple D one, M two
+ + [side] Side M one, D two, A three
+ * [renamer] Renamer R one->uno, M two
+ +*++ [master] Initial A one, A two
'
git update-index --add --remove one two three &&
git commit -m "Side M one, D two, A three" &&
+ git checkout -b simple master &&
+ rm -f one &&
+ fill a c e > two &&
+ git commit -a -m "Simple D one, M two" &&
+
git checkout master
'
! test -s current
'
-test_expect_success 'checkout to detach HEAD' '
+test_expect_success 'format of merge conflict from checkout -m' '
+
+ git checkout -f master && git clean -f &&
+
+ fill b d > two &&
+ git checkout -m simple &&
+ git ls-files >current &&
+ fill same two two two >expect &&
+ test_cmp current expect &&
+
+ cat <<-EOF >expect &&
+ <<<<<<< simple
+ a
+ c
+ e
+ =======
+ b
+ d
+ >>>>>>> local
+ EOF
+ test_cmp two expect
+'
+
+test_expect_success 'checkout --merge --conflict=diff3 <branch>' '
+
+ git checkout -f master && git reset --hard && git clean -f &&
+
+ fill b d > two &&
+ git checkout --merge --conflict=diff3 simple &&
+
+ cat <<-EOF >expect &&
+ <<<<<<< simple
+ a
+ c
+ e
+ ||||||| master
+ a
+ b
+ c
+ d
+ e
+ =======
+ b
+ d
+ >>>>>>> local
+ EOF
+ test_cmp two expect
+'
+
+test_expect_success 'checkout to detach HEAD (with advice declined)' '
+
+ git config advice.detachedHead false &&
git checkout -f renamer && git clean -f &&
git checkout renamer^ 2>messages &&
- (cat >messages.expect <<EOF
-Note: moving to "renamer^" which isn'"'"'t a local branch
-If you want to create a new branch from this checkout, you may do so
-(now or later) by using -b with the checkout command again. Example:
- git checkout -b <new_branch_name>
-HEAD is now at 7329388... Initial A one, A two
-EOF
-) &&
- test_cmp messages.expect messages &&
+ test_i18ngrep "HEAD is now at 7329388" messages &&
+ test 1 -eq $(wc -l <messages) &&
+ H=$(git rev-parse --verify HEAD) &&
+ M=$(git show-ref -s --verify refs/heads/master) &&
+ test "z$H" = "z$M" &&
+ if git symbolic-ref HEAD >/dev/null 2>&1
+ then
+ echo "OOPS, HEAD is still symbolic???"
+ false
+ else
+ : happy
+ fi
+'
+
+test_expect_success 'checkout to detach HEAD' '
+ git config advice.detachedHead true &&
+ git checkout -f renamer && git clean -f &&
+ git checkout renamer^ 2>messages &&
+ test_i18ngrep "HEAD is now at 7329388" messages &&
+ test 1 -lt $(wc -l <messages) &&
H=$(git rev-parse --verify HEAD) &&
M=$(git show-ref -s --verify refs/heads/master) &&
test "z$H" = "z$M" &&
test "$(git config branch.track2.merge)"
git config branch.autosetupmerge false'
+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 'checkout w/--track from tag fails' '
+ git checkout master^0 &&
+ test_must_fail git symbolic-ref HEAD &&
+ test_must_fail git checkout --track -b track frotz &&
+ 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$here"
+'
+
+test_expect_success \
+ 'checkout with --track fakes a sensible -b <name>' '
+ git update-ref refs/remotes/origin/koala/bear renamer &&
+
+ git checkout --track origin/koala/bear &&
+ test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
+ test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
+
+ git checkout master && git branch -D koala/bear &&
+
+ git checkout --track refs/remotes/origin/koala/bear &&
+ test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
+ test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
+
+ git checkout master && git branch -D koala/bear &&
+
+ git checkout --track remotes/origin/koala/bear &&
+ test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
+ test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)"
+'
+
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 = "$(git symbolic-ref HEAD)" &&
- test_must_fail git checkout --track -b track'
+ 'checkout with --track, but without -b, fails with too short tracked name' '
+ test_must_fail git checkout --track renamer'
+
+setup_conflicting_index () {
+ rm -f .git/index &&
+ O=$(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 $A 0 filf"
+ ) | git update-index --index-info
+}
+
+test_expect_success 'checkout an unmerged path should fail' '
+ setup_conflicting_index &&
+ echo "none of the above" >sample &&
+ cat sample >fild &&
+ cat sample >file &&
+ cat sample >filf &&
+ test_must_fail git checkout fild file filf &&
+ test_cmp sample fild &&
+ test_cmp sample filf &&
+ test_cmp sample file
+'
+
+test_expect_success 'checkout with an unmerged path can be ignored' '
+ setup_conflicting_index &&
+ echo "none of the above" >sample &&
+ echo ourside >expect &&
+ cat sample >fild &&
+ cat sample >file &&
+ cat sample >filf &&
+ git checkout -f fild file filf &&
+ test_cmp expect fild &&
+ test_cmp expect filf &&
+ test_cmp sample file
+'
+
+test_expect_success 'checkout unmerged stage' '
+ setup_conflicting_index &&
+ echo "none of the above" >sample &&
+ echo ourside >expect &&
+ cat sample >fild &&
+ cat sample >file &&
+ cat sample >filf &&
+ git checkout --ours . &&
+ test_cmp expect fild &&
+ test_cmp expect filf &&
+ test_cmp expect file &&
+ git checkout --theirs file &&
+ test ztheirside = "z$(cat file)"
+'
+
+test_expect_success 'checkout with --merge' '
+ setup_conflicting_index &&
+ echo "none of the above" >sample &&
+ echo ourside >expect &&
+ cat sample >fild &&
+ cat sample >file &&
+ cat sample >filf &&
+ git checkout -m -- fild file filf &&
+ (
+ echo "<<<<<<< ours"
+ echo ourside
+ echo "======="
+ echo theirside
+ echo ">>>>>>> theirs"
+ ) >merged &&
+ test_cmp expect fild &&
+ test_cmp expect filf &&
+ test_cmp merged file
+'
+
+test_expect_success 'checkout with --merge, in diff3 -m style' '
+ git config merge.conflictstyle diff3 &&
+ setup_conflicting_index &&
+ echo "none of the above" >sample &&
+ echo ourside >expect &&
+ cat sample >fild &&
+ cat sample >file &&
+ cat sample >filf &&
+ git checkout -m -- fild file filf &&
+ (
+ echo "<<<<<<< ours"
+ echo ourside
+ echo "||||||| base"
+ echo original
+ echo "======="
+ echo theirside
+ echo ">>>>>>> theirs"
+ ) >merged &&
+ test_cmp expect fild &&
+ test_cmp expect filf &&
+ test_cmp merged file
+'
+
+test_expect_success 'checkout --conflict=merge, overriding config' '
+ git config merge.conflictstyle diff3 &&
+ setup_conflicting_index &&
+ echo "none of the above" >sample &&
+ echo ourside >expect &&
+ cat sample >fild &&
+ cat sample >file &&
+ cat sample >filf &&
+ git checkout --conflict=merge -- fild file filf &&
+ (
+ echo "<<<<<<< ours"
+ echo ourside
+ echo "======="
+ echo theirside
+ echo ">>>>>>> theirs"
+ ) >merged &&
+ test_cmp expect fild &&
+ test_cmp expect filf &&
+ test_cmp merged file
+'
+
+test_expect_success 'checkout --conflict=diff3' '
+ git config --unset merge.conflictstyle
+ setup_conflicting_index &&
+ echo "none of the above" >sample &&
+ echo ourside >expect &&
+ cat sample >fild &&
+ cat sample >file &&
+ cat sample >filf &&
+ git checkout --conflict=diff3 -- fild file filf &&
+ (
+ echo "<<<<<<< ours"
+ echo ourside
+ echo "||||||| base"
+ echo original
+ echo "======="
+ echo theirside
+ echo ">>>>>>> theirs"
+ ) >merged &&
+ test_cmp expect fild &&
+ test_cmp expect filf &&
+ test_cmp merged 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 $(git symbolic-ref HEAD) = refs/heads/master &&
+ git diff --exit-code &&
+ git diff --cached --exit-code
+
+'
+
+test_expect_success 'switch out of non-branch' '
+ git reset --hard master &&
+ git checkout master^0 &&
+ echo modified >one &&
+ test_must_fail git checkout renamer 2>error.log &&
+ ! grep "^Previous HEAD" error.log
+'
+
+(
+ echo "#!$SHELL_PATH"
+ cat <<\EOF
+O=$1 A=$2 B=$3
+cat "$A" >.tmp
+exec >"$A"
+echo '<<<<<<< filfre-theirs'
+cat "$B"
+echo '||||||| filfre-common'
+cat "$O"
+echo '======='
+cat ".tmp"
+echo '>>>>>>> filfre-ours'
+rm -f .tmp
+exit 1
+EOF
+) >filfre.sh
+chmod +x filfre.sh
+
+test_expect_success 'custom merge driver with checkout -m' '
+ git reset --hard &&
+
+ git config merge.filfre.driver "./filfre.sh %O %A %B" &&
+ git config merge.filfre.name "Feel-free merge driver" &&
+ git config merge.filfre.recursive binary &&
+ echo "arm merge=filfre" >.gitattributes &&
+
+ git checkout -b left &&
+ echo neutral >arm &&
+ git add arm .gitattributes &&
+ test_tick &&
+ git commit -m neutral &&
+ git branch right &&
+
+ echo left >arm &&
+ test_tick &&
+ git commit -a -m left &&
+ git checkout right &&
+
+ echo right >arm &&
+ test_tick &&
+ git commit -a -m right &&
+
+ test_must_fail git merge left &&
+ (
+ for t in filfre-common left right
+ do
+ grep $t arm || exit 1
+ done
+ exit 0
+ ) &&
+
+ mv arm expect &&
+ git checkout -m arm &&
+ test_cmp expect arm
+'
test_done