test_description='Merge-recursive merging renames'
. ./test-lib.sh
-if test "$no_python"; then
- echo "Skipping: no python => no recursive merge"
- test_done
- exit 0
-fi
-
test_expect_success setup \
'
cat >A <<\EOF &&
EOF
git add A M &&
-git commit -m initial &&
+git commit -m "initial has A and M" &&
git branch white &&
git branch red &&
git branch blue &&
+git branch yellow &&
+git branch change &&
+git branch change+rename &&
sed -e "/^g /s/.*/g : master changes a line/" <A >A+ &&
mv A+ A &&
git commit -a -m "master updates A" &&
+git checkout yellow &&
+rm -f M &&
+git commit -a -m "yellow removes M" &&
+
git checkout white &&
sed -e "/^g /s/.*/g : white changes a line/" <A >B &&
sed -e "/^G /s/.*/G : colored branch changes a line/" <M >N &&
git update-index --add --remove A C M N &&
git commit -m "blue renames A->C, M->N" &&
+git checkout change &&
+sed -e "/^g /s/.*/g : changed line/" <A >A+ &&
+mv A+ A &&
+git commit -q -a -m "changed" &&
+
+git checkout change+rename &&
+sed -e "/^g /s/.*/g : changed line/" <A >B &&
+rm A &&
+git update-index --add B &&
+git commit -q -a -m "changed and renamed" &&
+
git checkout master'
test_expect_success 'pull renaming branch into unrenaming one' \
'
- git show-branch
- git pull . white && {
- echo "BAD: should have conflicted"
- exit 1
- }
- git ls-files -s
- test "$(git ls-files -u B | wc -l)" -eq 3 || {
- echo "BAD: should have left stages for B"
- exit 1
- }
- test "$(git ls-files -s N | wc -l)" -eq 1 || {
- echo "BAD: should have merged N"
- exit 1
- }
+ git show-branch &&
+ test_expect_code 1 git pull . white &&
+ git ls-files -s &&
+ git ls-files -u B >b.stages &&
+ test_line_count = 3 b.stages &&
+ git ls-files -s N >n.stages &&
+ test_line_count = 1 n.stages &&
sed -ne "/^g/{
p
q
- }" B | grep master || {
- echo "BAD: should have listed our change first"
- exit 1
- }
- test "$(git diff white N | wc -l)" -eq 0 || {
- echo "BAD: should have taken colored branch"
- exit 1
- }
+ }" B | grep master &&
+ git diff --exit-code white N
'
test_expect_success 'pull renaming branch into another renaming one' \
'
- git reset --hard
- git checkout red
- git pull . white && {
- echo "BAD: should have conflicted"
- exit 1
- }
- test "$(git ls-files -u B | wc -l)" -eq 3 || {
- echo "BAD: should have left stages"
- exit 1
- }
- test "$(git ls-files -s N | wc -l)" -eq 1 || {
- echo "BAD: should have merged N"
- exit 1
- }
+ rm -f B &&
+ git reset --hard &&
+ git checkout red &&
+ test_expect_code 1 git pull . white &&
+ git ls-files -u B >b.stages &&
+ test_line_count = 3 b.stages &&
+ git ls-files -s N >n.stages &&
+ test_line_count = 1 n.stages &&
sed -ne "/^g/{
p
q
- }" B | grep red || {
- echo "BAD: should have listed our change first"
- exit 1
- }
- test "$(git diff white N | wc -l)" -eq 0 || {
- echo "BAD: should have taken colored branch"
- exit 1
- }
+ }" B | grep red &&
+ git diff --exit-code white N
'
test_expect_success 'pull unrenaming branch into renaming one' \
'
- git reset --hard
- git show-branch
- git pull . master && {
- echo "BAD: should have conflicted"
- exit 1
- }
- test "$(git ls-files -u B | wc -l)" -eq 3 || {
- echo "BAD: should have left stages"
- exit 1
- }
- test "$(git ls-files -s N | wc -l)" -eq 1 || {
- echo "BAD: should have merged N"
- exit 1
- }
+ git reset --hard &&
+ git show-branch &&
+ test_expect_code 1 git pull . master &&
+ git ls-files -u B >b.stages &&
+ test_line_count = 3 b.stages &&
+ git ls-files -s N >n.stages &&
+ test_line_count = 1 n.stages &&
sed -ne "/^g/{
p
q
- }" B | grep red || {
- echo "BAD: should have listed our change first"
- exit 1
- }
- test "$(git diff white N | wc -l)" -eq 0 || {
- echo "BAD: should have taken colored branch"
- exit 1
- }
+ }" B | grep red &&
+ git diff --exit-code white N
'
test_expect_success 'pull conflicting renames' \
'
- git reset --hard
- git show-branch
- git pull . blue && {
- echo "BAD: should have conflicted"
- exit 1
- }
- test "$(git ls-files -u A | wc -l)" -eq 1 || {
- echo "BAD: should have left a stage"
- exit 1
- }
- test "$(git ls-files -u B | wc -l)" -eq 1 || {
- echo "BAD: should have left a stage"
- exit 1
- }
- test "$(git ls-files -u C | wc -l)" -eq 1 || {
- echo "BAD: should have left a stage"
- exit 1
- }
- test "$(git ls-files -s N | wc -l)" -eq 1 || {
- echo "BAD: should have merged N"
- exit 1
- }
+ git reset --hard &&
+ git show-branch &&
+ test_expect_code 1 git pull . blue &&
+ git ls-files -u A >a.stages &&
+ test_line_count = 1 a.stages &&
+ git ls-files -u B >b.stages &&
+ test_line_count = 1 b.stages &&
+ git ls-files -u C >c.stages &&
+ test_line_count = 1 c.stages &&
+ git ls-files -s N >n.stages &&
+ test_line_count = 1 n.stages &&
sed -ne "/^g/{
p
q
- }" B | grep red || {
- echo "BAD: should have listed our change first"
- exit 1
- }
- test "$(git diff white N | wc -l)" -eq 0 || {
- echo "BAD: should have taken colored branch"
- exit 1
- }
+ }" B | grep red &&
+ git diff --exit-code white N
+'
+
+test_expect_success 'interference with untracked working tree file' '
+ git reset --hard &&
+ git show-branch &&
+ echo >A this file should not matter &&
+ test_expect_code 1 git pull . white &&
+ test_path_is_file A
+'
+
+test_expect_success 'interference with untracked working tree file' '
+ git reset --hard &&
+ git checkout white &&
+ git show-branch &&
+ rm -f A &&
+ echo >A this file should not matter &&
+ test_expect_code 1 git pull . red &&
+ test_path_is_file A
+'
+
+test_expect_success 'interference with untracked working tree file' '
+ git reset --hard &&
+ rm -f A M &&
+ git checkout -f master &&
+ git tag -f anchor &&
+ git show-branch &&
+ git pull . yellow &&
+ test_path_is_missing M &&
+ git reset --hard anchor
+'
+
+test_expect_success 'updated working tree file should prevent the merge' '
+ git reset --hard &&
+ rm -f A M &&
+ git checkout -f master &&
+ git tag -f anchor &&
+ git show-branch &&
+ echo >>M one line addition &&
+ cat M >M.saved &&
+ test_expect_code 128 git pull . yellow &&
+ test_cmp M M.saved &&
+ rm -f M.saved
+'
+
+test_expect_success 'updated working tree file should prevent the merge' '
+ git reset --hard &&
+ rm -f A M &&
+ git checkout -f master &&
+ git tag -f anchor &&
+ git show-branch &&
+ echo >>M one line addition &&
+ cat M >M.saved &&
+ git update-index M &&
+ test_expect_code 128 git pull . yellow &&
+ test_cmp M M.saved &&
+ rm -f M.saved
+'
+
+test_expect_success 'interference with untracked working tree file' '
+ git reset --hard &&
+ rm -f A M &&
+ git checkout -f yellow &&
+ git tag -f anchor &&
+ git show-branch &&
+ echo >M this file should not matter &&
+ git pull . master &&
+ test_path_is_file M &&
+ ! {
+ git ls-files -s |
+ grep M
+ } &&
+ git reset --hard anchor
+'
+
+test_expect_success 'merge of identical changes in a renamed file' '
+ rm -f A M N &&
+ git reset --hard &&
+ git checkout change+rename &&
+ GIT_MERGE_VERBOSITY=3 git merge change | grep "^Skipped B" &&
+ git reset --hard HEAD^ &&
+ git checkout change &&
+ GIT_MERGE_VERBOSITY=3 git merge change+rename | grep "^Skipped B"
'
test_done