#!/bin/sh # # Copyright (c) 2006 Junio C Hamano # test_description='git checkout tests. Creates main, forks renamer and side branches from it. Test switching across them. ! [main] Initial A one, A two * [renamer] Renamer R one->uno, M two ! [side] Side M one, D two, A three ! [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 +*++ [main] Initial A one, A two ' GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME . ./test-lib.sh test_tick fill () { for i do echo "$i" done } test_expect_success setup ' fill x y z >same && fill 1 2 3 4 5 6 7 8 >one && fill a b c d e >two && git add same one two && git commit -m "Initial A one, A two" && git checkout -b renamer && rm -f one && fill 1 3 4 5 6 7 8 >uno && git add uno && fill a b c d e f >two && git commit -a -m "Renamer R one->uno, M two" && git checkout -b side main && fill 1 2 3 4 5 6 7 >one && fill A B C D E >three && rm -f two && git update-index --add --remove one two three && git commit -m "Side M one, D two, A three" && git checkout -b simple main && rm -f one && fill a c e >two && git commit -a -m "Simple D one, M two" && git checkout main ' test_expect_success 'checkout from non-existing branch' ' git checkout -b delete-me main && git update-ref -d --no-deref refs/heads/delete-me && test refs/heads/delete-me = "$(git symbolic-ref HEAD)" && git checkout main && test refs/heads/main = "$(git symbolic-ref HEAD)" ' test_expect_success 'checkout with dirty tree without -m' ' fill 0 1 2 3 4 5 6 7 8 >one && if git checkout side then echo Not happy false else echo "happy - failed correctly" fi ' test_expect_success 'checkout with unrelated dirty tree without -m' ' git checkout -f main && fill 0 1 2 3 4 5 6 7 8 >same && cp same kept && git checkout side >messages && test_cmp same kept && printf "M\t%s\n" same >messages.expect && test_cmp messages.expect messages ' test_expect_success 'checkout -m with dirty tree' ' git checkout -f main && git clean -f && fill 0 1 2 3 4 5 6 7 8 >one && git checkout -m side >messages && test "$(git symbolic-ref HEAD)" = "refs/heads/side" && printf "M\t%s\n" one >expect.messages && test_cmp expect.messages messages && fill "M one" "A three" "D two" >expect.main && git diff --name-status main >current.main && test_cmp expect.main current.main && fill "M one" >expect.side && git diff --name-status side >current.side && test_cmp expect.side current.side && git diff --cached >current.index && test_must_be_empty current.index ' test_expect_success 'checkout -m with dirty tree, renamed' ' git checkout -f main && git clean -f && fill 1 2 3 4 5 7 8 >one && if git checkout renamer then echo Not happy false else echo "happy - failed correctly" fi && git checkout -m renamer && fill 1 3 4 5 7 8 >expect && test_cmp expect uno && ! test -f one && git diff --cached >current && test_must_be_empty current ' test_expect_success 'checkout -m with merge conflict' ' git checkout -f main && git clean -f && fill 1 T 3 4 5 6 S 8 >one && if git checkout renamer then echo Not happy false else echo "happy - failed correctly" fi && git checkout -m renamer && git diff main:one :3:uno | sed -e "1,/^@@/d" -e "/^ /d" -e "s/^-/d/" -e "s/^+/a/" >current && fill d2 aT d7 aS >expect && test_cmp expect current && git diff --cached two >current && test_must_be_empty current ' test_expect_success 'format of merge conflict from checkout -m' ' git checkout -f main && git clean -f && fill b d >two && git checkout -m simple && git ls-files >current && fill same two two two >expect && test_cmp expect current && cat <<-EOF >expect && <<<<<<< simple a c e ======= b d >>>>>>> local EOF test_cmp expect two ' test_expect_success 'checkout --merge --conflict=diff3 <branch>' ' git checkout -f main && git reset --hard && git clean -f && fill b d >two && git checkout --merge --conflict=diff3 simple && cat <<-EOF >expect && <<<<<<< simple a c e ||||||| main a b c d e ======= b d >>>>>>> local EOF test_cmp expect two ' test_expect_success 'switch to another branch while carrying a deletion' ' git checkout -f main && git reset --hard && git clean -f && git rm two && test_must_fail git checkout simple 2>errs && test_i18ngrep overwritten errs && test_must_fail git read-tree --quiet -m -u HEAD simple 2>errs && test_must_be_empty errs ' test_expect_success 'checkout to detach HEAD (with advice declined)' ' git config advice.detachedHead false && rev=$(git rev-parse --short renamer^) && git checkout -f renamer && git clean -f && git checkout renamer^ 2>messages && test_i18ngrep "HEAD is now at $rev" messages && test_line_count = 1 messages && H=$(git rev-parse --verify HEAD) && M=$(git show-ref -s --verify refs/heads/main) && test "z$H" = "z$M" && if git symbolic-ref HEAD >/dev/null 2>&1 then echo "OOPS, HEAD is still symbolic???" false else : happy fi ' test_expect_success 'checkout to detach HEAD' ' git config advice.detachedHead true && rev=$(git rev-parse --short renamer^) && git checkout -f renamer && git clean -f && GIT_TEST_GETTEXT_POISON=false git checkout renamer^ 2>messages && grep "HEAD is now at $rev" messages && test_line_count -gt 1 messages && H=$(git rev-parse --verify HEAD) && M=$(git show-ref -s --verify refs/heads/main) && test "z$H" = "z$M" && if git symbolic-ref HEAD >/dev/null 2>&1 then echo "OOPS, HEAD is still symbolic???" false else : happy fi ' test_expect_success 'checkout to detach HEAD with branchname^' ' git checkout -f main && git clean -f && git checkout renamer^ && H=$(git rev-parse --verify HEAD) && M=$(git show-ref -s --verify refs/heads/main) && test "z$H" = "z$M" && if git symbolic-ref HEAD >/dev/null 2>&1 then echo "OOPS, HEAD is still symbolic???" false else : happy fi ' test_expect_success 'checkout to detach HEAD with :/message' ' git checkout -f main && git clean -f && git checkout ":/Initial" && H=$(git rev-parse --verify HEAD) && M=$(git show-ref -s --verify refs/heads/main) && test "z$H" = "z$M" && if git symbolic-ref HEAD >/dev/null 2>&1 then echo "OOPS, HEAD is still symbolic???" false else : happy fi ' test_expect_success 'checkout to detach HEAD with HEAD^0' ' git checkout -f main && git clean -f && git checkout HEAD^0 && H=$(git rev-parse --verify HEAD) && M=$(git show-ref -s --verify refs/heads/main) && test "z$H" = "z$M" && if git symbolic-ref HEAD >/dev/null 2>&1 then echo "OOPS, HEAD is still symbolic???" false else : happy fi ' test_expect_success 'checkout with ambiguous tag/branch names' ' git tag both side && git branch both main && git reset --hard && git checkout main && git checkout both && H=$(git rev-parse --verify HEAD) && M=$(git show-ref -s --verify refs/heads/main) && test "z$H" = "z$M" && name=$(git symbolic-ref HEAD 2>/dev/null) && test "z$name" = zrefs/heads/both ' test_expect_success 'checkout with ambiguous tag/branch names' ' git reset --hard && git checkout main && git tag frotz side && git branch frotz main && git reset --hard && git checkout main && git checkout tags/frotz && H=$(git rev-parse --verify HEAD) && S=$(git show-ref -s --verify refs/heads/side) && test "z$H" = "z$S" && if name=$(git symbolic-ref HEAD 2>/dev/null) then echo "Bad -- should have detached" false else : happy fi ' test_expect_success 'switch branches while in subdirectory' ' git reset --hard && git checkout main && mkdir subs && git -C subs checkout side && ! test -f subs/one && rm -fr subs ' test_expect_success 'checkout specific path while in subdirectory' ' git reset --hard && git checkout side && mkdir subs && >subs/bero && git add subs/bero && git commit -m "add subs/bero" && git checkout main && mkdir -p subs && git -C subs checkout side -- bero && test -f subs/bero ' test_expect_success 'checkout w/--track sets up tracking' ' git config branch.autosetupmerge false && git checkout main && git checkout --track -b track1 && test "$(git config branch.track1.remote)" && test "$(git config branch.track1.merge)" ' test_expect_success 'checkout w/autosetupmerge=always sets up tracking' ' test_when_finished git config branch.autosetupmerge false && git config branch.autosetupmerge always && git checkout main && git checkout -b track2 && test "$(git config branch.track2.remote)" && test "$(git config branch.track2.merge)" ' test_expect_success 'checkout w/--track from non-branch HEAD fails' ' git checkout main^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$(git rev-parse main^0)" = "z$(git rev-parse HEAD)" ' test_expect_success 'checkout w/--track from tag fails' ' git checkout main^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$(git rev-parse main^0)" = "z$(git rev-parse HEAD)" ' test_expect_success 'detach a symbolic link HEAD' ' git checkout main && git config --bool core.prefersymlinkrefs yes && git checkout side && git checkout main && it=$(git symbolic-ref HEAD) && test "z$it" = zrefs/heads/main && here=$(git rev-parse --verify refs/heads/main) && git checkout side^ && test "z$(git rev-parse --verify refs/heads/main)" = "z$here" ' test_expect_success 'checkout with --track fakes a sensible -b <name>' ' git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*" && git update-ref refs/remotes/origin/koala/bear renamer && git checkout --track origin/koala/bear && test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" && test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" && git checkout main && 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)" = "$(git rev-parse renamer)" && git checkout main && git branch -D koala/bear && git checkout --track remotes/origin/koala/bear && test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" && test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" ' test_expect_success 'checkout 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' ' test_unconfig 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 main && git symbolic-ref HEAD refs/heads/main && test_must_fail git checkout -b renamer side^ && test $(git symbolic-ref HEAD) = refs/heads/main && git diff --exit-code && git diff --cached --exit-code ' test_expect_success 'switch out of non-branch' ' git reset --hard main && git checkout main^0 && echo modified >one && test_must_fail git checkout renamer 2>error.log && ! grep "^Previous HEAD" error.log ' ( echo "#!$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 ) && mv arm expect && git checkout -m arm && test_cmp expect arm ' test_done