summaryrefslogtreecommitdiff
path: root/t/t7600-merge.sh
diff options
context:
space:
mode:
Diffstat (limited to 't/t7600-merge.sh')
-rwxr-xr-xt/t7600-merge.sh73
1 files changed, 72 insertions, 1 deletions
diff --git a/t/t7600-merge.sh b/t/t7600-merge.sh
index b16462132f..85248a14b6 100755
--- a/t/t7600-merge.sh
+++ b/t/t7600-merge.sh
@@ -33,9 +33,11 @@ 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 2 3 4 5 6 7 8 '9 Y' >file.9y
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
+printf '%s\n' 1 2 3 4 5 6 7 8 '9 Z' >result.9z
>empty
create_merge_msgs () {
@@ -128,12 +130,18 @@ test_expect_success 'setup' '
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 "$c0" &&
cp file.9 file &&
git add file &&
test_tick &&
git commit -m "commit 3" &&
git tag c3 &&
- c3=$(git rev-parse HEAD)
+ c3=$(git rev-parse HEAD) &&
git reset --hard "$c0" &&
create_merge_msgs
'
@@ -218,6 +226,26 @@ test_expect_success 'merge c1 with c2' '
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 <<-EOF
+ Squashed commit of the following:
+
+ $(git show -s c7)
+
+ # Conflicts:
+ # file
+ EOF
+ } >expect &&
+ git cat-file commit HEAD | sed -e '1,/^$/d' >actual &&
+ test_cmp expect actual
+'
+
test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2 and c3' '
@@ -692,4 +720,47 @@ test_expect_success GPG 'merge --no-edit tag should skip editor' '
test_cmp actual expect
'
+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_done