#!/bin/sh

test_description='git commit porcelain-ish'

. ./test-lib.sh

test_expect_success 'the basics' '

        echo doing partial >"commit is" &&
        mkdir not &&
        echo very much encouraged but we should >not/forbid &&
        git add "commit is" not &&
        echo update added "commit is" file >"commit is" &&
        echo also update another >not/forbid &&
        test_tick &&
        git commit -a -m "initial with -a" &&

        git cat-file blob HEAD:"commit is" >current.1 &&
        git cat-file blob HEAD:not/forbid >current.2 &&

        cmp current.1 "commit is" &&
        cmp current.2 not/forbid

'

test_expect_success 'partial' '

        echo another >"commit is" &&
        echo another >not/forbid &&
        test_tick &&
        git commit -m "partial commit to handle a file" "commit is" &&

        changed=$(git diff-tree --name-only HEAD^ HEAD) &&
        test "$changed" = "commit is"

'

test_expect_success 'partial modification in a subdirecotry' '

        test_tick &&
        git commit -m "partial commit to subdirectory" not &&

        changed=$(git diff-tree -r --name-only HEAD^ HEAD) &&
        test "$changed" = "not/forbid"

'

test_expect_success 'partial removal' '

        git rm not/forbid &&
        git commit -m "partial commit to remove not/forbid" not &&

        changed=$(git diff-tree -r --name-only HEAD^ HEAD) &&
        test "$changed" = "not/forbid" &&
        remain=$(git ls-tree -r --name-only HEAD) &&
        test "$remain" = "commit is"

'

test_expect_success 'sign off' '

        >positive &&
        git add positive &&
        git commit -s -m "thank you" &&
        actual=$(git cat-file commit HEAD | sed -ne "s/Signed-off-by: //p") &&
        expected=$(git var GIT_COMMITTER_IDENT | sed -e "s/>.*/>/") &&
        test "z$actual" = "z$expected"

'

test_expect_success 'multiple -m' '

        >negative &&
        git add negative &&
        git commit -m "one" -m "two" -m "three" &&
        actual=$(git cat-file commit HEAD | sed -e "1,/^\$/d") &&
        expected=$(echo one; echo; echo two; echo; echo three) &&
        test "z$actual" = "z$expected"

'

test_expect_success 'verbose' '

        echo minus >negative &&
        git add negative &&
        git status -v | sed -ne "/^diff --git /p" >actual &&
        echo "diff --git a/negative b/negative" >expect &&
        test_cmp expect actual

'

test_expect_success 'cleanup commit messages (verbatim,-t)' '

        echo >>negative &&
        { echo;echo "# text";echo; } >expect &&
        git commit --cleanup=verbatim -t expect -a &&
        git cat-file -p HEAD |sed -e "1,/^\$/d" |head -n 3 >actual &&
        test_cmp expect actual

'

test_expect_success 'cleanup commit messages (verbatim,-F)' '

        echo >>negative &&
        git commit --cleanup=verbatim -F expect -a &&
        git cat-file -p HEAD |sed -e "1,/^\$/d">actual &&
        test_cmp expect actual

'

test_expect_success 'cleanup commit messages (verbatim,-m)' '

        echo >>negative &&
        git commit --cleanup=verbatim -m "$(cat expect)" -a &&
        git cat-file -p HEAD |sed -e "1,/^\$/d">actual &&
        test_cmp expect actual

'

test_expect_success 'cleanup commit messages (whitespace,-F)' '

        echo >>negative &&
        { echo;echo "# text";echo; } >text &&
        echo "# text" >expect &&
        git commit --cleanup=whitespace -F text -a &&
        git cat-file -p HEAD |sed -e "1,/^\$/d">actual &&
        test_cmp expect actual

'

test_expect_success 'cleanup commit messages (strip,-F)' '

        echo >>negative &&
        { echo;echo "# text";echo sample;echo; } >text &&
        echo sample >expect &&
        git commit --cleanup=strip -F text -a &&
        git cat-file -p HEAD |sed -e "1,/^\$/d">actual &&
        test_cmp expect actual

'

echo "sample

# Please enter the commit message for your changes.
# (Comment lines starting with '#' will not be included)" >expect

test_expect_success 'cleanup commit messages (strip,-F,-e)' '

        echo >>negative &&
        { echo;echo sample;echo; } >text &&
        git commit -e -F text -a &&
        head -n 4 .git/COMMIT_EDITMSG >actual &&
        test_cmp expect actual

'

echo "#
# Author:    $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>
#" >> expect

test_expect_success 'author different from committer' '

        echo >>negative &&
        git commit -e -m "sample"
        head -n 7 .git/COMMIT_EDITMSG >actual &&
        test_cmp expect actual
'

mv expect expect.tmp
sed '$d' < expect.tmp > expect
rm -f expect.tmp
echo "# Committer:
#" >> expect

test_expect_success 'committer is automatic' '

        echo >>negative &&
        (
                unset GIT_COMMITTER_EMAIL
                unset GIT_COMMITTER_NAME
                # must fail because there is no change
                test_must_fail git commit -e -m "sample"
        ) &&
        head -n 8 .git/COMMIT_EDITMSG | \
        sed "s/^# Committer: .*/# Committer:/" >actual &&
        test_cmp expect actual
'

pwd=`pwd`
cat >> .git/FAKE_EDITOR << EOF
#! /bin/sh
echo editor started > "$pwd/.git/result"
exit 0
EOF
chmod +x .git/FAKE_EDITOR

test_expect_success 'do not fire editor in the presence of conflicts' '

        git clean -f &&
        echo f >g &&
        git add g &&
        git commit -m "add g" &&
        git branch second &&
        echo master >g &&
        echo g >h &&
        git add g h &&
        git commit -m "modify g and add h" &&
        git checkout second &&
        echo second >g &&
        git add g &&
        git commit -m second &&
        # Must fail due to conflict
        test_must_fail git cherry-pick -n master &&
        echo "editor not started" >.git/result &&
        test_must_fail GIT_EDITOR="$(pwd)/.git/FAKE_EDITOR" git commit &&
        test "$(cat .git/result)" = "editor not started"
'

pwd=`pwd`
cat >.git/FAKE_EDITOR <<EOF
#! $SHELL_PATH
# kill -TERM command added below.
EOF

test_expect_success 'a SIGTERM should break locks' '
        echo >>negative &&
        "$SHELL_PATH" -c '\''
          echo kill -TERM $$ >> .git/FAKE_EDITOR
          GIT_EDITOR=.git/FAKE_EDITOR exec git commit -a'\'' && exit 1  # should fail
        ! test -f .git/index.lock
'

rm -f .git/MERGE_MSG .git/COMMIT_EDITMSG
git reset -q --hard

test_expect_success 'Hand committing of a redundant merge removes dups' '

        git rev-parse second master >expect &&
        test_must_fail git merge second master &&
        git checkout master g &&
        EDITOR=: git commit -a &&
        git cat-file commit HEAD | sed -n -e "s/^parent //p" -e "/^$/q" >actual &&
        test_cmp expect actual

'

test_done