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#!/bin/sh
test_description='git merge
Testing the resolve strategy.'
. ./test-lib.sh
test_expect_success 'setup' '
echo c0 > c0.c &&
git add c0.c &&
git commit -m c0 &&
git tag c0 &&
echo c1 > c1.c &&
git add c1.c &&
git commit -m c1 &&
git tag c1 &&
git reset --hard c0 &&
echo c2 > c2.c &&
git add c2.c &&
git commit -m c2 &&
git tag c2 &&
git reset --hard c0 &&
echo c3 > c2.c &&
git add c2.c &&
git commit -m c3 &&
git tag c3
'
merge_c1_to_c2_cmds='
git reset --hard c1 &&
git merge -s resolve c2 &&
test "$(git rev-parse c1)" != "$(git rev-parse HEAD)" &&
test "$(git rev-parse c1)" = "$(git rev-parse HEAD^1)" &&
test "$(git rev-parse c2)" = "$(git rev-parse HEAD^2)" &&
git diff --exit-code &&
test -f c0.c &&
test -f c1.c &&
test -f c2.c &&
test 3 = $(git ls-tree -r HEAD | wc -l) &&
test 3 = $(git ls-files | wc -l)
'
test_expect_success 'merge c1 to c2' "$merge_c1_to_c2_cmds"
test_expect_success 'merge c1 to c2, again' "$merge_c1_to_c2_cmds"
test_expect_success 'merge c2 to c3 (fails)' '
git reset --hard c2 &&
test_must_fail git merge -s resolve c3
'
test_done
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