. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-gpg.sh
-printf '%s\n' 1 2 3 4 5 6 7 8 9 >file
-printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >file.1
-printf '%s\n' 1 2 3 4 '5 X' 6 7 8 9 >file.5
-printf '%s\n' 1 2 3 4 5 6 7 8 '9 X' >file.9
-printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >result.1
-printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 9 >result.1-5
-printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 '9 X' >result.1-5-9
->empty
+test_write_lines 1 2 3 4 5 6 7 8 9 >file
+cp file file.orig
+test_write_lines '1 X' 2 3 4 5 6 7 8 9 >file.1
+test_write_lines 1 2 '3 X' 4 5 6 7 8 9 >file.3
+test_write_lines 1 2 3 4 '5 X' 6 7 8 9 >file.5
+test_write_lines 1 2 3 4 5 6 7 8 '9 X' >file.9
+test_write_lines 1 2 3 4 5 6 7 8 '9 Y' >file.9y
+test_write_lines '1 X' 2 3 4 5 6 7 8 9 >result.1
+test_write_lines '1 X' 2 3 4 '5 X' 6 7 8 9 >result.1-5
+test_write_lines '1 X' 2 3 4 5 6 7 8 '9 X' >result.1-9
+test_write_lines '1 X' 2 3 4 '5 X' 6 7 8 '9 X' >result.1-5-9
+test_write_lines '1 X' 2 '3 X' 4 '5 X' 6 7 8 '9 X' >result.1-3-5-9
+test_write_lines 1 2 3 4 5 6 7 8 '9 Z' >result.9z
create_merge_msgs () {
echo "Merge tag 'c2'" >msg.1-5 &&
echo &&
git log --no-merges ^HEAD c2 c3
} >squash.1-5-9 &&
- : >msg.nologff &&
- : >msg.nolognoff &&
{
echo "* tag 'c3':" &&
echo " commit 3"
}
verify_parents () {
- printf '%s\n' "$@" >parents.expected &&
+ test_write_lines "$@" >parents.expected &&
>parents.actual &&
i=1 &&
while test $i -le $#
}
verify_mergeheads () {
- printf '%s\n' "$@" >mergehead.expected &&
+ test_write_lines "$@" >mergehead.expected &&
while read sha1 rest
do
git rev-parse $sha1
git tag c2 &&
c2=$(git rev-parse HEAD) &&
git reset --hard "$c0" &&
+ cp file.9y file &&
+ git add file &&
+ test_tick &&
+ git commit -m "commit 7" &&
+ git tag c7 &&
+ git reset --hard "$c0" &&
cp file.9 file &&
git add file &&
test_tick &&
test_must_fail git merge -s foobar c1 &&
test_must_fail git merge -s=foobar c1 &&
test_must_fail git merge -m &&
+ test_must_fail git merge --abort foobar &&
+ test_must_fail git merge --abort --quiet &&
+ test_must_fail git merge --continue foobar &&
+ test_must_fail git merge --continue --quiet &&
test_must_fail git merge
'
verify_parents $c1 $c2
'
+test_expect_success 'merge --squash c3 with c7' '
+ git reset --hard c3 &&
+ test_must_fail git merge --squash c7 &&
+ cat result.9z >file &&
+ git commit --no-edit -a &&
+
+ cat >expect <<-EOF &&
+ Squashed commit of the following:
+
+ $(git show -s c7)
+
+ # Conflicts:
+ # file
+ EOF
+ git cat-file commit HEAD >raw &&
+ sed -e '1,/^$/d' raw >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'merge c3 with c7 with commit.cleanup = scissors' '
+ git config commit.cleanup scissors &&
+ git reset --hard c3 &&
+ test_must_fail git merge c7 &&
+ cat result.9z >file &&
+ git commit --no-edit -a &&
+
+ cat >expect <<-\EOF &&
+ Merge tag '"'"'c7'"'"'
+
+ # ------------------------ >8 ------------------------
+ # Do not modify or remove the line above.
+ # Everything below it will be ignored.
+ #
+ # Conflicts:
+ # file
+ EOF
+ git cat-file commit HEAD >raw &&
+ sed -e '1,/^$/d' raw >actual &&
+ test_i18ncmp expect actual
+'
+
+test_expect_success 'merge c3 with c7 with --squash commit.cleanup = scissors' '
+ git config commit.cleanup scissors &&
+ git reset --hard c3 &&
+ test_must_fail git merge --squash c7 &&
+ cat result.9z >file &&
+ git commit --no-edit -a &&
+
+ cat >expect <<-EOF &&
+ Squashed commit of the following:
+
+ $(git show -s c7)
+
+ # ------------------------ >8 ------------------------
+ # Do not modify or remove the line above.
+ # Everything below it will be ignored.
+ #
+ # Conflicts:
+ # file
+ EOF
+ git cat-file commit HEAD >raw &&
+ sed -e '1,/^$/d' raw >actual &&
+ test_i18ncmp expect actual
+'
+
test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2 and c3' '
test_tick &&
git merge c1 2>message &&
verify_head "$c1" &&
- test_cmp empty message
+ test_must_be_empty message
'
test_expect_success 'combining --squash and --no-ff is refused' '
test_must_fail git merge --no-ff --squash c1
'
+test_expect_success 'combining --squash and --commit is refused' '
+ git reset --hard c0 &&
+ test_must_fail git merge --squash --commit c1 &&
+ test_must_fail git merge --commit --squash c1
+'
+
test_expect_success 'option --ff-only overwrites --no-ff' '
git merge --no-ff --ff-only c1 &&
test_must_fail git merge --no-ff --ff-only c2
git reset --hard c0 &&
git merge --no-log c2 &&
git show -s --pretty=format:%b HEAD >msg.act &&
- test_cmp msg.nologff msg.act &&
+ test_must_be_empty msg.act &&
git reset --hard c0 &&
test_config branch.master.mergeoptions "--no-ff" &&
git merge --no-log c2 &&
git show -s --pretty=format:%b HEAD >msg.act &&
- test_cmp msg.nolognoff msg.act &&
+ test_must_be_empty msg.act &&
git merge --log c3 &&
git show -s --pretty=format:%b HEAD >msg.act &&
git merge c3
'
+test_expect_success 'merge with --autostash' '
+ git reset --hard c1 &&
+ git merge-file file file.orig file.9 &&
+ git merge --autostash c2 2>err &&
+ test_i18ngrep "Applied autostash." err &&
+ git show HEAD:file >merge-result &&
+ test_cmp result.1-5 merge-result &&
+ test_cmp result.1-5-9 file
+'
+
+test_expect_success 'merge with merge.autoStash' '
+ test_config merge.autoStash true &&
+ git reset --hard c1 &&
+ git merge-file file file.orig file.9 &&
+ git merge c2 2>err &&
+ test_i18ngrep "Applied autostash." err &&
+ git show HEAD:file >merge-result &&
+ test_cmp result.1-5 merge-result &&
+ test_cmp result.1-5-9 file
+'
+
+test_expect_success 'fast-forward merge with --autostash' '
+ git reset --hard c0 &&
+ git merge-file file file.orig file.5 &&
+ git merge --autostash c1 2>err &&
+ test_i18ngrep "Applied autostash." err &&
+ test_cmp result.1-5 file
+'
+
+test_expect_success 'octopus merge with --autostash' '
+ git reset --hard c1 &&
+ git merge-file file file.orig file.3 &&
+ git merge --autostash c2 c3 2>err &&
+ test_i18ngrep "Applied autostash." err &&
+ git show HEAD:file >merge-result &&
+ test_cmp result.1-5-9 merge-result &&
+ test_cmp result.1-3-5-9 file
+'
+
+test_expect_success 'conflicted merge with --autostash, --abort restores stash' '
+ git reset --hard c3 &&
+ cp file.1 file &&
+ test_must_fail git merge --autostash c7 &&
+ git merge --abort 2>err &&
+ test_i18ngrep "Applied autostash." err &&
+ test_cmp file.1 file
+'
+
+test_expect_success 'completed merge (git commit) with --no-commit and --autostash' '
+ git reset --hard c1 &&
+ git merge-file file file.orig file.9 &&
+ git diff >expect &&
+ git merge --no-commit --autostash c2 &&
+ git stash show -p MERGE_AUTOSTASH >actual &&
+ test_cmp expect actual &&
+ git commit 2>err &&
+ test_i18ngrep "Applied autostash." err &&
+ git show HEAD:file >merge-result &&
+ test_cmp result.1-5 merge-result &&
+ test_cmp result.1-5-9 file
+'
+
+test_expect_success 'completed merge (git merge --continue) with --no-commit and --autostash' '
+ git reset --hard c1 &&
+ git merge-file file file.orig file.9 &&
+ git diff >expect &&
+ git merge --no-commit --autostash c2 &&
+ git stash show -p MERGE_AUTOSTASH >actual &&
+ test_cmp expect actual &&
+ git merge --continue 2>err &&
+ test_i18ngrep "Applied autostash." err &&
+ git show HEAD:file >merge-result &&
+ test_cmp result.1-5 merge-result &&
+ test_cmp result.1-5-9 file
+'
+
+test_expect_success 'aborted merge (merge --abort) with --no-commit and --autostash' '
+ git reset --hard c1 &&
+ git merge-file file file.orig file.9 &&
+ git diff >expect &&
+ git merge --no-commit --autostash c2 &&
+ git stash show -p MERGE_AUTOSTASH >actual &&
+ test_cmp expect actual &&
+ git merge --abort 2>err &&
+ test_i18ngrep "Applied autostash." err &&
+ git diff >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'aborted merge (reset --hard) with --no-commit and --autostash' '
+ git reset --hard c1 &&
+ git merge-file file file.orig file.9 &&
+ git diff >expect &&
+ git merge --no-commit --autostash c2 &&
+ git stash show -p MERGE_AUTOSTASH >actual &&
+ test_cmp expect actual &&
+ git reset --hard 2>err &&
+ test_i18ngrep "Autostash exists; creating a new stash entry." err &&
+ git diff --exit-code
+'
+
+test_expect_success 'quit merge with --no-commit and --autostash' '
+ git reset --hard c1 &&
+ git merge-file file file.orig file.9 &&
+ git diff >expect &&
+ git merge --no-commit --autostash c2 &&
+ git stash show -p MERGE_AUTOSTASH >actual &&
+ test_cmp expect actual &&
+ git diff HEAD >expect &&
+ git merge --quit 2>err &&
+ test_i18ngrep "Autostash exists; creating a new stash entry." err &&
+ git diff HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'merge with conflicted --autostash changes' '
+ git reset --hard c1 &&
+ git merge-file file file.orig file.9y &&
+ git diff >expect &&
+ test_when_finished "test_might_fail git stash drop" &&
+ git merge --autostash c3 2>err &&
+ test_i18ngrep "Applying autostash resulted in conflicts." err &&
+ git show HEAD:file >merge-result &&
+ test_cmp result.1-9 merge-result &&
+ git stash show -p >actual &&
+ test_cmp expect actual
+'
+
cat >expected.branch <<\EOF
Merge branch 'c5-branch' (early part)
EOF
(
echo "Merge work done on the side branch c1"
echo
- cat <"$1"
+ cat "$1"
) >"$1.tmp" && mv "$1.tmp" "$1"
# strip comments and blank lines from end of message
-sed -e '/^#/d' < "$1" | sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' > expected
+sed -e '/^#/d' "$1" | sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' >expected
EOF
chmod 755 editor
git cat-file commit HEAD >raw &&
grep "work done on the side branch" raw &&
sed "1,/^$/d" >actual raw &&
- test_cmp actual expected
+ test_cmp expected actual
+'
+
+test_expect_success 'merge annotated/signed tag w/o tracking' '
+ test_when_finished "rm -rf dst; git tag -d anno1" &&
+ git tag -a -m "anno c1" anno1 c1 &&
+ git init dst &&
+ git rev-parse c1 >dst/expect &&
+ (
+ # c0 fast-forwards to c1 but because this repository
+ # is not a "downstream" whose refs/tags follows along
+ # tag from the "upstream", this pull defaults to --no-ff
+ cd dst &&
+ git pull .. c0 &&
+ git pull .. anno1 &&
+ git rev-parse HEAD^2 >actual &&
+ test_cmp expect actual
+ )
+'
+
+test_expect_success 'merge annotated/signed tag w/ tracking' '
+ test_when_finished "rm -rf dst; git tag -d anno1" &&
+ git tag -a -m "anno c1" anno1 c1 &&
+ git init dst &&
+ git rev-parse c1 >dst/expect &&
+ (
+ # c0 fast-forwards to c1 and because this repository
+ # is a "downstream" whose refs/tags follows along
+ # tag from the "upstream", this pull defaults to --ff
+ cd dst &&
+ git remote add origin .. &&
+ git pull origin c0 &&
+ git fetch origin &&
+ git merge anno1 &&
+ git rev-parse HEAD >actual &&
+ test_cmp expect actual
+ )
'
test_expect_success GPG 'merge --ff-only tag' '
git merge --ff-only signed &&
git rev-parse signed^0 >expect &&
git rev-parse HEAD >actual &&
- test_cmp actual expect
+ test_cmp expect actual
'
test_expect_success GPG 'merge --no-edit tag should skip editor' '
git tag -f -s -m "A newer commit" signed &&
git reset --hard c0 &&
- EDITOR=false git merge --no-edit signed &&
+ EDITOR=false git merge --no-edit --no-ff signed &&
git rev-parse signed^0 >expect &&
git rev-parse HEAD^2 >actual &&
- test_cmp actual expect
+ test_cmp expect actual
+'
+
+test_expect_success 'set up mod-256 conflict scenario' '
+ # 256 near-identical stanzas...
+ for i in $(test_seq 1 256); do
+ for j in 1 2 3 4 5; do
+ echo $i-$j
+ done
+ done >file &&
+ git add file &&
+ git commit -m base &&
+
+ # one side changes the first line of each to "master"
+ sed s/-1/-master/ file >tmp &&
+ mv tmp file &&
+ git commit -am master &&
+
+ # and the other to "side"; merging the two will
+ # yield 256 separate conflicts
+ git checkout -b side HEAD^ &&
+ sed s/-1/-side/ file >tmp &&
+ mv tmp file &&
+ git commit -am side
+'
+
+test_expect_success 'merge detects mod-256 conflicts (recursive)' '
+ git reset --hard &&
+ test_must_fail git merge -s recursive master
+'
+
+test_expect_success 'merge detects mod-256 conflicts (resolve)' '
+ git reset --hard &&
+ test_must_fail git merge -s resolve master
+'
+
+test_expect_success 'merge nothing into void' '
+ git init void &&
+ (
+ cd void &&
+ git remote add up .. &&
+ git fetch up &&
+ test_must_fail git merge FETCH_HEAD
+ )
+'
+
+test_expect_success 'merge can be completed with --continue' '
+ git reset --hard c0 &&
+ git merge --no-ff --no-commit c1 &&
+ git merge --continue &&
+ verify_parents $c0 $c1
+'
+
+write_script .git/FAKE_EDITOR <<EOF
+# kill -TERM command added below.
+EOF
+
+test_expect_success EXECKEEPSPID 'killed merge can be completed with --continue' '
+ git reset --hard c0 &&
+ ! "$SHELL_PATH" -c '\''
+ echo kill -TERM $$ >>.git/FAKE_EDITOR
+ GIT_EDITOR=.git/FAKE_EDITOR
+ export GIT_EDITOR
+ exec git merge --no-ff --edit c1'\'' &&
+ git merge --continue &&
+ verify_parents $c0 $c1
+'
+
+test_expect_success 'merge --quit' '
+ git init merge-quit &&
+ (
+ cd merge-quit &&
+ test_commit base &&
+ echo one >>base.t &&
+ git commit -am one &&
+ git branch one &&
+ git checkout base &&
+ echo two >>base.t &&
+ git commit -am two &&
+ test_must_fail git -c rerere.enabled=true merge one &&
+ test_path_is_file .git/MERGE_HEAD &&
+ test_path_is_file .git/MERGE_MODE &&
+ test_path_is_file .git/MERGE_MSG &&
+ git rerere status >rerere.before &&
+ git merge --quit &&
+ test_path_is_missing .git/MERGE_HEAD &&
+ test_path_is_missing .git/MERGE_MODE &&
+ test_path_is_missing .git/MERGE_MSG &&
+ git rerere status >rerere.after &&
+ test_must_be_empty rerere.after &&
+ ! test_cmp rerere.after rerere.before
+ )
+'
+
+test_expect_success 'merge suggests matching remote refname' '
+ git commit --allow-empty -m not-local &&
+ git update-ref refs/remotes/origin/not-local HEAD &&
+ git reset --hard HEAD^ &&
+
+ # This is white-box testing hackery; we happen to know
+ # that reading packed refs is more picky about the memory
+ # ownership of strings we pass to for_each_ref() callbacks.
+ git pack-refs --all --prune &&
+
+ test_must_fail git merge not-local 2>stderr &&
+ grep origin/not-local stderr
+'
+
+test_expect_success 'suggested names are not ambiguous' '
+ git update-ref refs/heads/origin/not-local HEAD &&
+ test_must_fail git merge not-local 2>stderr &&
+ grep remotes/origin/not-local stderr
'
test_done