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|
#!/bin/sh
test_description='combined diff'
. ./test-lib.sh
setup_helper () {
one=$1 branch=$2 side=$3 &&
git branch $side $branch &&
for l in $one two three fyra
do
echo $l
done >file &&
git add file &&
test_tick &&
git commit -m $branch &&
git checkout $side &&
for l in $one two three quatro
do
echo $l
done >file &&
git add file &&
test_tick &&
git commit -m $side &&
test_must_fail git merge $branch &&
for l in $one three four
do
echo $l
done >file &&
git add file &&
test_tick &&
git commit -m "merge $branch into $side"
}
verify_helper () {
it=$1 &&
# Ignore lines that were removed only from the other parent
sed -e '
1,/^@@@/d
/^ -/d
s/^\(.\)./\1/
' "$it" >"$it.actual.1" &&
sed -e '
1,/^@@@/d
/^- /d
s/^.\(.\)/\1/
' "$it" >"$it.actual.2" &&
git diff "$it^" "$it" -- | sed -e '1,/^@@/d' >"$it.expect.1" &&
test_cmp "$it.expect.1" "$it.actual.1" &&
git diff "$it^2" "$it" -- | sed -e '1,/^@@/d' >"$it.expect.2" &&
test_cmp "$it.expect.2" "$it.actual.2"
}
test_expect_success setup '
>file &&
git add file &&
test_tick &&
git commit -m initial &&
git branch withone &&
git branch sansone &&
git checkout withone &&
setup_helper one withone sidewithone &&
git checkout sansone &&
setup_helper "" sansone sidesansone
'
test_expect_success 'check combined output (1)' '
git show sidewithone -- >sidewithone &&
verify_helper sidewithone
'
test_expect_success 'check combined output (2)' '
git show sidesansone -- >sidesansone &&
verify_helper sidesansone
'
test_expect_success 'diagnose truncated file' '
>file &&
git add file &&
git commit --amend -C HEAD &&
git show >out &&
grep "diff --cc file" out
'
# Test for a bug reported at
# http://thread.gmane.org/gmane.comp.version-control.git/224410
# where a delete lines were missing from combined diff output when they
# occurred exactly before the context lines of a later change.
test_expect_success 'combine diff missing delete bug' '
git commit -m initial --allow-empty &&
cat <<-\EOF >test &&
1
2
3
4
EOF
git add test &&
git commit -a -m side1 &&
git checkout -B side1 &&
git checkout HEAD^ &&
cat <<-\EOF >test &&
0
1
2
3
4modified
EOF
git add test &&
git commit -m side2 &&
git branch -f side2 &&
test_must_fail git merge --no-commit side1 &&
cat <<-\EOF >test &&
1
2
3
4modified
EOF
git add test &&
git commit -a -m merge &&
git diff-tree -c -p HEAD >actual.tmp &&
sed -e "1,/^@@@/d" < actual.tmp >actual &&
tr -d Q <<-\EOF >expected &&
- 0
1
2
3
-4
+4modified
EOF
test_cmp expected actual
'
test_done
|
