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|
#!/bin/sh
#
# Copyright (c) 2009 Christian Couder
#
test_description='Tests for "git reset" with "--merge" and "--keep" options'
. ./test-lib.sh
test_expect_success setup '
for i in 1 2 3; do echo line $i; done >file1 &&
cat file1 >file2 &&
git add file1 file2 &&
test_tick &&
git commit -m "Initial commit" &&
git tag initial &&
echo line 4 >>file1 &&
cat file1 >file2 &&
test_tick &&
git commit -m "add line 4 to file1" file1 &&
git tag second
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: C C C D --merge D D D
# file2: C D D D --merge C D D
test_expect_success 'reset --merge is ok with changes in file it does not touch' '
git reset --merge HEAD^ &&
! grep 4 file1 &&
grep 4 file2 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse initial)" &&
test -z "$(git diff --cached)"
'
test_expect_success 'reset --merge is ok when switching back' '
git reset --merge second &&
grep 4 file1 &&
grep 4 file2 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse second)" &&
test -z "$(git diff --cached)"
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: C C C D --keep D D D
# file2: C D D D --keep C D D
test_expect_success 'reset --keep is ok with changes in file it does not touch' '
git reset --hard second &&
cat file1 >file2 &&
git reset --keep HEAD^ &&
! grep 4 file1 &&
grep 4 file2 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse initial)" &&
test -z "$(git diff --cached)"
'
test_expect_success 'reset --keep is ok when switching back' '
git reset --keep second &&
grep 4 file1 &&
grep 4 file2 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse second)" &&
test -z "$(git diff --cached)"
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: B B C D --merge D D D
# file2: C D D D --merge C D D
test_expect_success 'reset --merge discards changes added to index (1)' '
git reset --hard second &&
cat file1 >file2 &&
echo "line 5" >> file1 &&
git add file1 &&
git reset --merge HEAD^ &&
! grep 4 file1 &&
! grep 5 file1 &&
grep 4 file2 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse initial)" &&
test -z "$(git diff --cached)"
'
test_expect_success 'reset --merge is ok again when switching back (1)' '
git reset --hard initial &&
echo "line 5" >> file2 &&
git add file2 &&
git reset --merge second &&
! grep 4 file2 &&
! grep 5 file1 &&
grep 4 file1 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse second)" &&
test -z "$(git diff --cached)"
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: B B C D --keep (disallowed)
test_expect_success 'reset --keep fails with changes in index in files it touches' '
git reset --hard second &&
echo "line 5" >> file1 &&
git add file1 &&
test_must_fail git reset --keep HEAD^
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: C C C D --merge D D D
# file2: C C D D --merge D D D
test_expect_success 'reset --merge discards changes added to index (2)' '
git reset --hard second &&
echo "line 4" >> file2 &&
git add file2 &&
git reset --merge HEAD^ &&
! grep 4 file2 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse initial)" &&
test -z "$(git diff)" &&
test -z "$(git diff --cached)"
'
test_expect_success 'reset --merge is ok again when switching back (2)' '
git reset --hard initial &&
git reset --merge second &&
! grep 4 file2 &&
grep 4 file1 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse second)" &&
test -z "$(git diff --cached)"
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: C C C D --keep D D D
# file2: C C D D --keep C D D
test_expect_success 'reset --keep keeps changes it does not touch' '
git reset --hard second &&
echo "line 4" >> file2 &&
git add file2 &&
git reset --keep HEAD^ &&
grep 4 file2 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse initial)" &&
test -z "$(git diff --cached)"
'
test_expect_success 'reset --keep keeps changes when switching back' '
git reset --keep second &&
grep 4 file2 &&
grep 4 file1 &&
test "$(git rev-parse HEAD)" = "$(git rev-parse second)" &&
test -z "$(git diff --cached)"
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: A B B C --merge (disallowed)
test_expect_success 'reset --merge fails with changes in file it touches' '
git reset --hard second &&
echo "line 5" >> file1 &&
test_tick &&
git commit -m "add line 5" file1 &&
sed -e "s/line 1/changed line 1/" <file1 >file3 &&
mv file3 file1 &&
test_must_fail git reset --merge HEAD^ 2>err.log &&
grep file1 err.log | grep "not uptodate"
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: A B B C --keep (disallowed)
test_expect_success 'reset --keep fails with changes in file it touches' '
git reset --hard second &&
echo "line 5" >> file1 &&
test_tick &&
git commit -m "add line 5" file1 &&
sed -e "s/line 1/changed line 1/" <file1 >file3 &&
mv file3 file1 &&
test_must_fail git reset --keep HEAD^ 2>err.log &&
grep file1 err.log | grep "not uptodate"
'
test_expect_success 'setup 3 different branches' '
git reset --hard second &&
git branch branch1 &&
git branch branch2 &&
git branch branch3 &&
git checkout branch1 &&
echo "line 5 in branch1" >> file1 &&
test_tick &&
git commit -a -m "change in branch1" &&
git checkout branch2 &&
echo "line 5 in branch2" >> file1 &&
test_tick &&
git commit -a -m "change in branch2" &&
git tag third &&
git checkout branch3 &&
echo a new file >file3 &&
rm -f file1 &&
git add file3 &&
test_tick &&
git commit -a -m "change in branch3"
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: X U B C --merge C C C
test_expect_success '"reset --merge HEAD^" is ok with pending merge' '
git checkout third &&
test_must_fail git merge branch1 &&
git reset --merge HEAD^ &&
test "$(git rev-parse HEAD)" = "$(git rev-parse second)" &&
test -z "$(git diff --cached)" &&
test -z "$(git diff)"
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: X U B C --keep (disallowed)
test_expect_success '"reset --keep HEAD^" fails with pending merge' '
git reset --hard third &&
test_must_fail git merge branch1 &&
test_must_fail git reset --keep HEAD^ 2>err.log &&
test_i18ngrep "middle of a merge" err.log
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: X U B B --merge B B B
test_expect_success '"reset --merge HEAD" is ok with pending merge' '
git reset --hard third &&
test_must_fail git merge branch1 &&
git reset --merge HEAD &&
test "$(git rev-parse HEAD)" = "$(git rev-parse third)" &&
test -z "$(git diff --cached)" &&
test -z "$(git diff)"
'
# The next test will test the following:
#
# working index HEAD target working index HEAD
# ----------------------------------------------------
# file1: X U B B --keep (disallowed)
test_expect_success '"reset --keep HEAD" fails with pending merge' '
git reset --hard third &&
test_must_fail git merge branch1 &&
test_must_fail git reset --keep HEAD 2>err.log &&
test_i18ngrep "middle of a merge" err.log
'
test_expect_success '--merge is ok with added/deleted merge' '
git reset --hard third &&
rm -f file2 &&
test_must_fail git merge branch3 &&
! test -f file2 &&
test -f file3 &&
git diff --exit-code file3 &&
git diff --exit-code branch3 file3 &&
git reset --merge HEAD &&
! test -f file3 &&
! test -f file2 &&
git diff --exit-code --cached
'
test_expect_success '--keep fails with added/deleted merge' '
git reset --hard third &&
rm -f file2 &&
test_must_fail git merge branch3 &&
! test -f file2 &&
test -f file3 &&
git diff --exit-code file3 &&
git diff --exit-code branch3 file3 &&
test_must_fail git reset --keep HEAD 2>err.log &&
test_i18ngrep "middle of a merge" err.log
'
test_done
|
