#!/bin/sh

test_description='git merge

Testing merge when using a custom message for the merge commit.'

. ./test-lib.sh

create_merge_msgs() {
        echo >exp.subject "custom message"

        cp exp.subject exp.log &&
        echo >>exp.log "" &&
        echo >>exp.log "* tag 'c2':" &&
        echo >>exp.log "  c2"
}

test_expect_success 'setup' '
        echo c0 >c0.c &&
        git add c0.c &&
        git commit -m c0 &&
        git tag c0 &&
        echo c1 >c1.c &&
        git add c1.c &&
        git commit -m c1 &&
        git tag c1 &&
        git reset --hard c0 &&
        echo c2 >c2.c &&
        git add c2.c &&
        git commit -m c2 &&
        git tag c2 &&
        create_merge_msgs
'


test_expect_success 'merge c2 with a custom message' '
        git reset --hard c1 &&
        git merge -m "$(cat exp.subject)" c2 &&
        git cat-file commit HEAD >raw &&
        sed -e "1,/^$/d" raw >actual &&
        test_cmp exp.subject actual
'

test_expect_success 'merge --log appends to custom message' '
        git reset --hard c1 &&
        git merge --log -m "$(cat exp.subject)" c2 &&
        git cat-file commit HEAD >raw &&
        sed -e "1,/^$/d" raw >actual &&
        test_cmp exp.log actual
'

test_done