#!/bin/sh

test_description='checkout -m -- <conflicted path>

Ensures that checkout -m on a resolved file restores the conflicted file'

. ./test-lib.sh

test_expect_success setup '
        test_tick &&
        test_commit both.txt both.txt initial &&
        git branch topic &&
        test_commit modified_in_master both.txt in_master &&
        test_commit added_in_master each.txt in_master &&
        git checkout topic &&
        test_commit modified_in_topic both.txt in_topic &&
        test_commit added_in_topic each.txt in_topic
'

test_expect_success 'git merge master' '
    test_must_fail git merge master
'

clean_branchnames () {
        # Remove branch names after conflict lines
        sed 's/^\([<>]\{5,\}\) .*$/\1/'
}

test_expect_success '-m restores 2-way conflicted+resolved file' '
        cp each.txt each.txt.conflicted &&
        echo resolved >each.txt &&
        git add each.txt &&
        git checkout -m -- each.txt &&
        clean_branchnames <each.txt >each.txt.cleaned &&
        clean_branchnames <each.txt.conflicted >each.txt.conflicted.cleaned &&
        test_cmp each.txt.conflicted.cleaned each.txt.cleaned
'

test_expect_success '-m restores 3-way conflicted+resolved file' '
        cp both.txt both.txt.conflicted &&
        echo resolved >both.txt &&
        git add both.txt &&
        git checkout -m -- both.txt &&
        clean_branchnames <both.txt >both.txt.cleaned &&
        clean_branchnames <both.txt.conflicted >both.txt.conflicted.cleaned &&
        test_cmp both.txt.conflicted.cleaned both.txt.cleaned
'

test_expect_success 'force checkout a conflict file creates stage zero entry' '
        git init co-force &&
        (
                cd co-force &&
                echo a >a &&
                git add a &&
                git commit -ama &&
                A_OBJ=$(git rev-parse :a) &&
                git branch topic &&
                echo b >a &&
                git commit -amb &&
                B_OBJ=$(git rev-parse :a) &&
                git checkout topic &&
                echo c >a &&
                C_OBJ=$(git hash-object a) &&
                git checkout -m master &&
                test_cmp_rev :1:a $A_OBJ &&
                test_cmp_rev :2:a $B_OBJ &&
                test_cmp_rev :3:a $C_OBJ &&
                git checkout -f topic &&
                test_cmp_rev :0:a $A_OBJ
        )
'

test_done