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merge(third_party/git): Merge squashed git subtree at v2.23.0

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Merge commit '1b593e1ea4' as 'third_party/git'
This commit is contained in:
Vincent Ambo 2020-01-11 23:36:56 +00:00
commit 7ef0d62730
3629 changed files with 1139935 additions and 0 deletions
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90
third_party/git/t/t4127-apply-same-fn.sh vendored Executable file
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@ -0,0 +1,90 @@
#!/bin/sh
test_description='apply same filename'
. ./test-lib.sh
modify () {
sed -e "$1" < "$2" > "$2".x &&
mv "$2".x "$2"
}
test_expect_success setup '
for i in a b c d e f g h i j k l m
do
echo $i
done >same_fn &&
cp same_fn other_fn &&
git add same_fn other_fn &&
git commit -m initial
'
test_expect_success 'apply same filename with independent changes' '
modify "s/^d/z/" same_fn &&
git diff > patch0 &&
git add same_fn &&
modify "s/^i/y/" same_fn &&
git diff >> patch0 &&
cp same_fn same_fn2 &&
git reset --hard &&
git apply patch0 &&
test_cmp same_fn same_fn2
'
test_expect_success 'apply same filename with overlapping changes' '
git reset --hard &&
modify "s/^d/z/" same_fn &&
git diff > patch0 &&
git add same_fn &&
modify "s/^e/y/" same_fn &&
git diff >> patch0 &&
cp same_fn same_fn2 &&
git reset --hard &&
git apply patch0 &&
test_cmp same_fn same_fn2
'
test_expect_success 'apply same new filename after rename' '
git reset --hard &&
git mv same_fn new_fn &&
modify "s/^d/z/" new_fn &&
git add new_fn &&
git diff -M --cached > patch1 &&
modify "s/^e/y/" new_fn &&
git diff >> patch1 &&
cp new_fn new_fn2 &&
git reset --hard &&
git apply --index patch1 &&
test_cmp new_fn new_fn2
'
test_expect_success 'apply same old filename after rename -- should fail.' '
git reset --hard &&
git mv same_fn new_fn &&
modify "s/^d/z/" new_fn &&
git add new_fn &&
git diff -M --cached > patch1 &&
git mv new_fn same_fn &&
modify "s/^e/y/" same_fn &&
git diff >> patch1 &&
git reset --hard &&
test_must_fail git apply patch1
'
test_expect_success 'apply A->B (rename), C->A (rename), A->A -- should pass.' '
git reset --hard &&
git mv same_fn new_fn &&
modify "s/^d/z/" new_fn &&
git add new_fn &&
git diff -M --cached > patch1 &&
git commit -m "a rename" &&
git mv other_fn same_fn &&
modify "s/^e/y/" same_fn &&
git add same_fn &&
git diff -M --cached >> patch1 &&
modify "s/^g/x/" same_fn &&
git diff >> patch1 &&
git reset --hard HEAD^ &&
git apply patch1
'
test_done