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Diffstat (limited to 'third_party/git/t/t7110-reset-merge.sh')
| -rwxr-xr-x | third_party/git/t/t7110-reset-merge.sh | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/third_party/git/t/t7110-reset-merge.sh b/third_party/git/t/t7110-reset-merge.sh new file mode 100755 index 000000000000..a82a07a04a85 --- /dev/null +++ b/third_party/git/t/t7110-reset-merge.sh @@ -0,0 +1,295 @@ +#!/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 |