#!/bin/sh

test_description='rebase should handle arbitrary git message'

. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-rebase.sh

cat >F <<\EOF
This is an example of a commit log message
that does not  conform to git commit convention.

It has two paragraphs, but its first paragraph is not friendly
to oneline summary format.
EOF

cat >G <<\EOF
commit log message containing a diff
EOF


test_expect_success setup '

        >file1 &&
        >file2 &&
        git add file1 file2 &&
        test_tick &&
        git commit -m "Initial commit" &&
        git branch diff-in-message &&
        git branch empty-message-merge &&

        git checkout -b multi-line-subject &&
        cat F >file2 &&
        git add file2 &&
        test_tick &&
        git commit -F F &&

        git cat-file commit HEAD | sed -e "1,/^\$/d" >F0 &&

        git checkout diff-in-message &&
        echo "commit log message containing a diff" >G &&
        echo "" >>G &&
        cat G >file2 &&
        git add file2 &&
        git diff --cached >>G &&
        test_tick &&
        git commit -F G &&

        git cat-file commit HEAD | sed -e "1,/^\$/d" >G0 &&

        git checkout empty-message-merge &&
        echo file3 >file3 &&
        git add file3 &&
        git commit --allow-empty-message -m "" &&

        git checkout master &&

        echo One >file1 &&
        test_tick &&
        git add file1 &&
        git commit -m "Second commit"
'

test_expect_success 'rebase commit with multi-line subject' '

        git rebase master multi-line-subject &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" >F1 &&

        test_cmp F0 F1 &&
        test_cmp F F0
'

test_expect_success 'rebase commit with diff in message' '
        git rebase master diff-in-message &&
        git cat-file commit HEAD | sed -e "1,/^$/d" >G1 &&
        test_cmp G0 G1 &&
        test_cmp G G0
'

test_expect_success 'rebase -m commit with empty message' '
        git rebase -m master empty-message-merge
'

test_expect_success 'rebase -i commit with empty message' '
        git checkout diff-in-message &&
        set_fake_editor &&
        test_must_fail env FAKE_COMMIT_MESSAGE=" " FAKE_LINES="reword 1" \
                git rebase -i HEAD^
'

test_done