This shows that with the "--keep" option, changes that are both in
the work tree and the index are kept in the work tree after the
reset (but discarded in the index). As with the "--merge" option,
changes that are in both the work tree and the index are discarded
after the reset.
In the case of unmerged entries, we can see that "git reset --merge"
resets everything to the target, while with "--keep" it works only
when the target state is the same as HEAD and the work tree is not
reset.
And this shows that otherwise "--merge" and "--keep" have the same
behavior.
Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
t/t7110-reset-merge.sh | 105 +++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 104 insertions(+), 1 deletions(-)
diff --git a/t/t7110-reset-merge.sh b/t/t7110-reset-merge.sh
index 249df7c..a9b2fba 100755
--- a/t/t7110-reset-merge.sh
+++ b/t/t7110-reset-merge.sh
@@ -3,7 +3,7 @@
# Copyright (c) 2009 Christian Couder
#
-test_description='Tests for "git reset --merge"'
+test_description='Tests for "git reset" with "--merge" and "--keep" options'
. ./test-lib.sh
@@ -47,6 +47,30 @@ test_expect_success 'reset --merge is ok when switching back' '
#
# 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)' '
@@ -78,6 +102,18 @@ test_expect_success 'reset --merge is ok again when switching back (1)' '
#
# 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)' '
@@ -104,6 +140,30 @@ test_expect_success 'reset --merge is ok again when switching back (2)' '
#
# 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 &&
@@ -116,6 +176,22 @@ test_expect_success 'reset --merge fails with changes in file it touches' '
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 2 different branches' '
git reset --hard second &&
git branch branch1 &&
@@ -148,6 +224,18 @@ test_expect_success '"reset --merge HEAD^" is ok with pending merge' '
#
# 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 &&
+ grep file1 err.log | grep "overwritten by merge"
+'
+
+# 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 &&
@@ -158,4 +246,19 @@ test_expect_success '"reset --merge HEAD" is ok with pending merge' '
test -z "$(git diff)"
'
+# The next test will test the following:
+#
+# working index HEAD target working index HEAD
+# ----------------------------------------------------
+# file1: X U B B --keep X B B
+test_expect_success '"reset --keep HEAD" is ok with pending merge' '
+ git reset --hard third &&
+ test_must_fail git merge branch1 &&
+ cat file1 >orig_file1 &&
+ git reset --keep HEAD &&
+ test "$(git rev-parse HEAD)" = "$(git rev-parse third)" &&
+ test -z "$(git diff --cached)" &&
+ test_cmp file1 orig_file1
+'
+
test_done
--
1.6.6.rc2.5.g49666
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