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-rwxr-xr-xt/t7201-co.sh725
1 files changed, 725 insertions, 0 deletions
diff --git a/t/t7201-co.sh b/t/t7201-co.sh
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+++ b/t/t7201-co.sh
@@ -0,0 +1,725 @@
+#!/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_grep 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_grep "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 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 path with --merge from tree-ish is a no-no' '
+ setup_conflicting_index &&
+ test_must_fail git checkout -m HEAD -- 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 -m works after (mistaken) resolution' '
+ setup_conflicting_index &&
+ echo "none of the above" >sample &&
+ cat sample >fild &&
+ cat sample >file &&
+ cat sample >filf &&
+ # resolve to something
+ git add file &&
+ git checkout --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 -m works after (mistaken) resolution to remove' '
+ setup_conflicting_index &&
+ echo "none of the above" >sample &&
+ cat sample >fild &&
+ cat sample >file &&
+ cat sample >filf &&
+ # resolve to remove
+ git rm file &&
+ git checkout --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 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 clean -fd && # Remove untracked files in the way
+ 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_expect_success 'tracking info copied with autoSetupMerge=inherit' '
+ git reset --hard main &&
+ # default config does not copy tracking info
+ git checkout -b foo-no-inherit koala/bear &&
+ test_cmp_config "" --default "" branch.foo-no-inherit.remote &&
+ test_cmp_config "" --default "" branch.foo-no-inherit.merge &&
+ # with autoSetupMerge=inherit, we copy tracking info from koala/bear
+ test_config branch.autoSetupMerge inherit &&
+ git checkout -b foo koala/bear &&
+ test_cmp_config origin branch.foo.remote &&
+ test_cmp_config refs/heads/koala/bear branch.foo.merge &&
+ # no tracking info to inherit from main
+ git checkout -b main2 main &&
+ test_cmp_config "" --default "" branch.main2.remote &&
+ test_cmp_config "" --default "" branch.main2.merge
+'
+
+test_done