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git/t/t3030-merge-recursive.sh

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#!/bin/sh
test_description='merge-recursive backend test'
. ./test-lib.sh
test_expect_success 'setup 1' '
echo hello >a &&
o0=$(git hash-object a) &&
cp a b &&
cp a c &&
mkdir d &&
cp a d/e &&
test_tick &&
git add a b c d/e &&
git commit -m initial &&
c0=$(git rev-parse --verify HEAD) &&
git branch side &&
git branch df-1 &&
git branch df-2 &&
git branch df-3 &&
git branch remove &&
echo hello >>a &&
cp a d/e &&
o1=$(git hash-object a) &&
git add a d/e &&
test_tick &&
git commit -m "master modifies a and d/e" &&
c1=$(git rev-parse --verify HEAD) &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o1 a"
echo "100644 blob $o0 b"
echo "100644 blob $o0 c"
echo "100644 blob $o1 d/e"
echo "100644 $o1 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o1 0 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'setup 2' '
rm -rf [abcd] &&
git checkout side &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o0 a"
echo "100644 blob $o0 b"
echo "100644 blob $o0 c"
echo "100644 blob $o0 d/e"
echo "100644 $o0 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o0 0 d/e"
) >expected &&
test_cmp expected actual &&
echo goodbye >>a &&
o2=$(git hash-object a) &&
git add a &&
test_tick &&
git commit -m "side modifies a" &&
c2=$(git rev-parse --verify HEAD) &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o2 a"
echo "100644 blob $o0 b"
echo "100644 blob $o0 c"
echo "100644 blob $o0 d/e"
echo "100644 $o2 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o0 0 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'setup 3' '
rm -rf [abcd] &&
git checkout df-1 &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o0 a"
echo "100644 blob $o0 b"
echo "100644 blob $o0 c"
echo "100644 blob $o0 d/e"
echo "100644 $o0 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o0 0 d/e"
) >expected &&
test_cmp expected actual &&
rm -f b && mkdir b && echo df-1 >b/c && git add b/c &&
o3=$(git hash-object b/c) &&
test_tick &&
git commit -m "df-1 makes b/c" &&
c3=$(git rev-parse --verify HEAD) &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o0 a"
echo "100644 blob $o3 b/c"
echo "100644 blob $o0 c"
echo "100644 blob $o0 d/e"
echo "100644 $o0 0 a"
echo "100644 $o3 0 b/c"
echo "100644 $o0 0 c"
echo "100644 $o0 0 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'setup 4' '
rm -rf [abcd] &&
git checkout df-2 &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o0 a"
echo "100644 blob $o0 b"
echo "100644 blob $o0 c"
echo "100644 blob $o0 d/e"
echo "100644 $o0 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o0 0 d/e"
) >expected &&
test_cmp expected actual &&
rm -f a && mkdir a && echo df-2 >a/c && git add a/c &&
o4=$(git hash-object a/c) &&
test_tick &&
git commit -m "df-2 makes a/c" &&
c4=$(git rev-parse --verify HEAD) &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o4 a/c"
echo "100644 blob $o0 b"
echo "100644 blob $o0 c"
echo "100644 blob $o0 d/e"
echo "100644 $o4 0 a/c"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o0 0 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'setup 5' '
rm -rf [abcd] &&
git checkout remove &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o0 a"
echo "100644 blob $o0 b"
echo "100644 blob $o0 c"
echo "100644 blob $o0 d/e"
echo "100644 $o0 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o0 0 d/e"
) >expected &&
test_cmp expected actual &&
rm -f b &&
echo remove-conflict >a &&
git add a &&
git rm b &&
o5=$(git hash-object a) &&
test_tick &&
git commit -m "remove removes b and modifies a" &&
c5=$(git rev-parse --verify HEAD) &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o5 a"
echo "100644 blob $o0 c"
echo "100644 blob $o0 d/e"
echo "100644 $o5 0 a"
echo "100644 $o0 0 c"
echo "100644 $o0 0 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'setup 6' '
rm -rf [abcd] &&
git checkout df-3 &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o0 a"
echo "100644 blob $o0 b"
echo "100644 blob $o0 c"
echo "100644 blob $o0 d/e"
echo "100644 $o0 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o0 0 d/e"
) >expected &&
test_cmp expected actual &&
rm -fr d && echo df-3 >d && git add d &&
o6=$(git hash-object d) &&
test_tick &&
git commit -m "df-3 makes d" &&
c6=$(git rev-parse --verify HEAD) &&
( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
(
echo "100644 blob $o0 a"
echo "100644 blob $o0 b"
echo "100644 blob $o0 c"
echo "100644 blob $o6 d"
echo "100644 $o0 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o6 0 d"
) >expected &&
test_cmp expected actual
'
test_expect_success 'merge-recursive simple' '
rm -fr [abcd] &&
git checkout -f "$c2" &&
git merge-recursive "$c0" -- "$c2" "$c1"
status=$?
case "$status" in
1)
: happy
;;
*)
echo >&2 "why status $status!!!"
false
;;
esac
'
test_expect_success 'merge-recursive result' '
git ls-files -s >actual &&
(
echo "100644 $o0 1 a"
echo "100644 $o2 2 a"
echo "100644 $o1 3 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o1 0 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'fail if the index has unresolved entries' '
rm -fr [abcd] &&
git checkout -f "$c1" &&
test_must_fail git merge "$c5" &&
test_must_fail git merge "$c5" 2> out &&
grep "You have not concluded your merge" out &&
rm -f .git/MERGE_HEAD &&
test_must_fail git merge "$c5" 2> out &&
grep "You are in the middle of a conflicted merge" out
'
test_expect_success 'merge-recursive remove conflict' '
rm -fr [abcd] &&
git checkout -f "$c1" &&
git merge-recursive "$c0" -- "$c1" "$c5"
status=$?
case "$status" in
1)
: happy
;;
*)
echo >&2 "why status $status!!!"
false
;;
esac
'
test_expect_success 'merge-recursive remove conflict' '
git ls-files -s >actual &&
(
echo "100644 $o0 1 a"
echo "100644 $o1 2 a"
echo "100644 $o5 3 a"
echo "100644 $o0 0 c"
echo "100644 $o1 0 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'merge-recursive d/f simple' '
rm -fr [abcd] &&
git reset --hard &&
git checkout -f "$c1" &&
git merge-recursive "$c0" -- "$c1" "$c3"
'
test_expect_success 'merge-recursive result' '
git ls-files -s >actual &&
(
echo "100644 $o1 0 a"
echo "100644 $o3 0 b/c"
echo "100644 $o0 0 c"
echo "100644 $o1 0 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'merge-recursive d/f conflict' '
rm -fr [abcd] &&
git reset --hard &&
git checkout -f "$c1" &&
git merge-recursive "$c0" -- "$c1" "$c4"
status=$?
case "$status" in
1)
: happy
;;
*)
echo >&2 "why status $status!!!"
false
;;
esac
'
test_expect_success 'merge-recursive d/f conflict result' '
git ls-files -s >actual &&
(
echo "100644 $o0 1 a"
echo "100644 $o1 2 a"
echo "100644 $o4 0 a/c"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o1 0 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'merge-recursive d/f conflict the other way' '
rm -fr [abcd] &&
git reset --hard &&
git checkout -f "$c4" &&
git merge-recursive "$c0" -- "$c4" "$c1"
status=$?
case "$status" in
1)
: happy
;;
*)
echo >&2 "why status $status!!!"
false
;;
esac
'
test_expect_success 'merge-recursive d/f conflict result the other way' '
git ls-files -s >actual &&
(
echo "100644 $o0 1 a"
echo "100644 $o1 3 a"
echo "100644 $o4 0 a/c"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o1 0 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'merge-recursive d/f conflict' '
rm -fr [abcd] &&
git reset --hard &&
git checkout -f "$c1" &&
git merge-recursive "$c0" -- "$c1" "$c6"
status=$?
case "$status" in
1)
: happy
;;
*)
echo >&2 "why status $status!!!"
false
;;
esac
'
test_expect_success 'merge-recursive d/f conflict result' '
git ls-files -s >actual &&
(
echo "100644 $o1 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o6 3 d"
echo "100644 $o0 1 d/e"
echo "100644 $o1 2 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'merge-recursive d/f conflict' '
rm -fr [abcd] &&
git reset --hard &&
git checkout -f "$c6" &&
git merge-recursive "$c0" -- "$c6" "$c1"
status=$?
case "$status" in
1)
: happy
;;
*)
echo >&2 "why status $status!!!"
false
;;
esac
'
test_expect_success 'merge-recursive d/f conflict result' '
git ls-files -s >actual &&
(
echo "100644 $o1 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o6 2 d"
echo "100644 $o0 1 d/e"
echo "100644 $o1 3 d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'reset and 3-way merge' '
git reset --hard "$c2" &&
git read-tree -m "$c0" "$c2" "$c1"
'
test_expect_success 'reset and bind merge' '
git reset --hard master &&
git read-tree --prefix=M/ master &&
git ls-files -s >actual &&
(
echo "100644 $o1 0 M/a"
echo "100644 $o0 0 M/b"
echo "100644 $o0 0 M/c"
echo "100644 $o1 0 M/d/e"
echo "100644 $o1 0 a"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o1 0 d/e"
) >expected &&
test_cmp expected actual &&
git read-tree --prefix=a1/ master &&
git ls-files -s >actual &&
(
echo "100644 $o1 0 M/a"
echo "100644 $o0 0 M/b"
echo "100644 $o0 0 M/c"
echo "100644 $o1 0 M/d/e"
echo "100644 $o1 0 a"
echo "100644 $o1 0 a1/a"
echo "100644 $o0 0 a1/b"
echo "100644 $o0 0 a1/c"
echo "100644 $o1 0 a1/d/e"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o1 0 d/e"
) >expected &&
test_cmp expected actual
git read-tree --prefix=z/ master &&
git ls-files -s >actual &&
(
echo "100644 $o1 0 M/a"
echo "100644 $o0 0 M/b"
echo "100644 $o0 0 M/c"
echo "100644 $o1 0 M/d/e"
echo "100644 $o1 0 a"
echo "100644 $o1 0 a1/a"
echo "100644 $o0 0 a1/b"
echo "100644 $o0 0 a1/c"
echo "100644 $o1 0 a1/d/e"
echo "100644 $o0 0 b"
echo "100644 $o0 0 c"
echo "100644 $o1 0 d/e"
echo "100644 $o1 0 z/a"
echo "100644 $o0 0 z/b"
echo "100644 $o0 0 z/c"
echo "100644 $o1 0 z/d/e"
) >expected &&
test_cmp expected actual
'
test_expect_success 'merge removes empty directories' '
git reset --hard master &&
git checkout -b rm &&
git rm d/e &&
git commit -mremoved-d/e &&
git checkout master &&
git merge -s recursive rm &&
test_must_fail test -d d
'
test_done