builtin-commit: use reduce_heads() only when appropriate

diff --git a/t/t7500-commit.sh b/t/t7500-commit.sh
index abbf54ba63693bbb3e839786bf97284c22912333..6e18a96319bef5c4ddfbc86ce79b02b364f04387 100755 (executable)
--- a/t/t7500-commit.sh
+++ b/t/t7500-commit.sh
@@ -3,7 +3,7 @@
 # Copyright (c) 2007 Steven Grimm
 #
 
-test_description='git-commit
+test_description='git commit
 
 Tests for selected commit options.'
 
@@ -23,12 +23,12 @@ test_expect_success 'a basic commit in an empty tree should succeed' '
 test_expect_success 'nonexistent template file should return error' '
        echo changes >> foo &&
        git add foo &&
-       ! git commit --template "$PWD"/notexist
+       test_must_fail git commit --template "$PWD"/notexist
 '
 
 test_expect_success 'nonexistent template file in config should return error' '
        git config commit.template "$PWD"/notexist &&
-       ! git commit &&
+       test_must_fail git commit &&
        git config --unset commit.template
 '
 
@@ -37,24 +37,33 @@ TEMPLATE="$PWD"/template
 
 test_expect_success 'unedited template should not commit' '
        echo "template line" > "$TEMPLATE" &&
-       ! git commit --template "$TEMPLATE"
+       test_must_fail git commit --template "$TEMPLATE"
 '
 
 test_expect_success 'unedited template with comments should not commit' '
        echo "# comment in template" >> "$TEMPLATE" &&
-       ! git commit --template "$TEMPLATE"
+       test_must_fail git commit --template "$TEMPLATE"
 '
 
 test_expect_success 'a Signed-off-by line by itself should not commit' '
-       ! GIT_EDITOR=../t7500/add-signed-off git commit --template "$TEMPLATE"
+       (
+               test_set_editor "$TEST_DIRECTORY"/t7500/add-signed-off &&
+               test_must_fail git commit --template "$TEMPLATE"
+       )
 '
 
 test_expect_success 'adding comments to a template should not commit' '
-       ! GIT_EDITOR=../t7500/add-comments git commit --template "$TEMPLATE"
+       (
+               test_set_editor "$TEST_DIRECTORY"/t7500/add-comments &&
+               test_must_fail git commit --template "$TEMPLATE"
+       )
 '
 
 test_expect_success 'adding real content to a template should commit' '
-       GIT_EDITOR=../t7500/add-content git commit --template "$TEMPLATE" &&
+       (
+               test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
+               git commit --template "$TEMPLATE"
+       ) &&
        commit_msg_is "template linecommit message"
 '
 
@@ -62,7 +71,10 @@ test_expect_success '-t option should be short for --template' '
        echo "short template" > "$TEMPLATE" &&
        echo "new content" >> foo &&
        git add foo &&
-       GIT_EDITOR=../t7500/add-content git commit -t "$TEMPLATE" &&
+       (
+               test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
+               git commit -t "$TEMPLATE"
+       ) &&
        commit_msg_is "short templatecommit message"
 '
 
@@ -71,7 +83,10 @@ test_expect_success 'config-specified template should commit' '
        git config commit.template "$TEMPLATE" &&
        echo "more content" >> foo &&
        git add foo &&
-       GIT_EDITOR=../t7500/add-content git commit &&
+       (
+               test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
+               git commit
+       ) &&
        git config --unset commit.template &&
        commit_msg_is "new templatecommit message"
 '
@@ -79,7 +94,7 @@ test_expect_success 'config-specified template should commit' '
 test_expect_success 'explicit commit message should override template' '
        echo "still more content" >> foo &&
        git add foo &&
-       GIT_EDITOR=../t7500/add-content git commit --template "$TEMPLATE" \
+       GIT_EDITOR="$TEST_DIRECTORY"/t7500/add-content git commit --template "$TEMPLATE" \
                -m "command line msg" &&
        commit_msg_is "command line msg"
 '
@@ -88,9 +103,87 @@ test_expect_success 'commit message from file should override template' '
        echo "content galore" >> foo &&
        git add foo &&
        echo "standard input msg" |
-               GIT_EDITOR=../t7500/add-content git commit \
-                       --template "$TEMPLATE" --file - &&
+       (
+               test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
+               git commit --template "$TEMPLATE" --file -
+       ) &&
        commit_msg_is "standard input msg"
 '
 
+test_expect_success 'using alternate GIT_INDEX_FILE (1)' '
+
+       cp .git/index saved-index &&
+       (
+               echo some new content >file &&
+               GIT_INDEX_FILE=.git/another_index &&
+               export GIT_INDEX_FILE &&
+               git add file &&
+               git commit -m "commit using another index" &&
+               git diff-index --exit-code HEAD &&
+               git diff-files --exit-code
+       ) &&
+       cmp .git/index saved-index >/dev/null
+
+'
+
+test_expect_success 'using alternate GIT_INDEX_FILE (2)' '
+
+       cp .git/index saved-index &&
+       (
+               rm -f .git/no-such-index &&
+               GIT_INDEX_FILE=.git/no-such-index &&
+               export GIT_INDEX_FILE &&
+               git commit -m "commit using nonexistent index" &&
+               test -z "$(git ls-files)" &&
+               test -z "$(git ls-tree HEAD)"
+
+       ) &&
+       cmp .git/index saved-index >/dev/null
+'
+
+cat > expect << EOF
+zort
+
+Signed-off-by: C O Mitter <committer@example.com>
+EOF
+
+test_expect_success '--signoff' '
+       echo "yet another content *narf*" >> foo &&
+       echo "zort" | (
+               test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
+               git commit -s -F - foo
+       ) &&
+       git cat-file commit HEAD | sed "1,/^$/d" > output &&
+       test_cmp expect output
+'
+
+test_expect_success 'commit message from file (1)' '
+       mkdir subdir &&
+       echo "Log in top directory" >log &&
+       echo "Log in sub directory" >subdir/log &&
+       (
+               cd subdir &&
+               git commit --allow-empty -F log
+       ) &&
+       commit_msg_is "Log in sub directory"
+'
+
+test_expect_success 'commit message from file (2)' '
+       rm -f log &&
+       echo "Log in sub directory" >subdir/log &&
+       (
+               cd subdir &&
+               git commit --allow-empty -F log
+       ) &&
+       commit_msg_is "Log in sub directory"
+'
+
+test_expect_success 'commit message from stdin' '
+       (
+               cd subdir &&
+               echo "Log with foo word" | git commit --allow-empty -F -
+       ) &&
+       commit_msg_is "Log with foo word"
+'
+
 test_done