#!/bin/sh
#
# Copyright (c) 2014 Heiko Voigt
#

test_description='Test submodules config cache infrastructure

This test verifies that parsing .gitmodules configurations directly
from the database and from the worktree works.
'

TEST_NO_CREATE_REPO=1
. ./test-lib.sh

test_expect_success 'submodule config cache setup' '
        mkdir submodule &&
        (cd submodule &&
                git init &&
                echo a >a &&
                git add . &&
                git commit -ma
        ) &&
        mkdir super &&
        (cd super &&
                git init &&
                git submodule add ../submodule &&
                git submodule add ../submodule a &&
                git commit -m "add as submodule and as a" &&
                git mv a b &&
                git commit -m "move a to b"
        )
'

cat >super/expect <<EOF
Submodule name: 'a' for path 'a'
Submodule name: 'a' for path 'b'
Submodule name: 'submodule' for path 'submodule'
Submodule name: 'submodule' for path 'submodule'
EOF

test_expect_success 'test parsing and lookup of submodule config by path' '
        (cd super &&
                test-submodule-config \
                        HEAD^ a \
                        HEAD b \
                        HEAD^ submodule \
                        HEAD submodule \
                                >actual &&
                test_cmp expect actual
        )
'

test_expect_success 'test parsing and lookup of submodule config by name' '
        (cd super &&
                test-submodule-config --name \
                        HEAD^ a \
                        HEAD a \
                        HEAD^ submodule \
                        HEAD submodule \
                                >actual &&
                test_cmp expect actual
        )
'

cat >super/expect_error <<EOF
Submodule name: 'a' for path 'b'
Submodule name: 'submodule' for path 'submodule'
EOF

test_expect_success 'error in one submodule config lets continue' '
        (cd super &&
                cp .gitmodules .gitmodules.bak &&
                echo "  value = \"" >>.gitmodules &&
                git add .gitmodules &&
                mv .gitmodules.bak .gitmodules &&
                git commit -m "add error" &&
                test-submodule-config \
                        HEAD b \
                        HEAD submodule \
                                >actual &&
                test_cmp expect_error actual
        )
'

test_expect_success 'error message contains blob reference' '
        (cd super &&
                sha1=$(git rev-parse HEAD) &&
                test-submodule-config \
                        HEAD b \
                        HEAD submodule \
                                2>actual_err &&
                test_i18ngrep "submodule-blob $sha1:.gitmodules" actual_err >/dev/null
        )
'

test_expect_success 'using different treeishs works' '
        (
                cd super &&
                git tag new_tag &&
                tree=$(git rev-parse HEAD^{tree}) &&
                commit=$(git rev-parse HEAD^{commit}) &&
                test-submodule-config $commit b >expect &&
                test-submodule-config $tree b >actual.1 &&
                test-submodule-config new_tag b >actual.2 &&
                test_cmp expect actual.1 &&
                test_cmp expect actual.2
        )
'

cat >super/expect_url <<EOF
Submodule url: 'git@somewhere.else.net:a.git' for path 'b'
Submodule url: 'git@somewhere.else.net:submodule.git' for path 'submodule'
EOF

cat >super/expect_local_path <<EOF
Submodule name: 'a' for path 'c'
Submodule name: 'submodule' for path 'submodule'
EOF

test_expect_success 'reading of local configuration' '
        (cd super &&
                old_a=$(git config submodule.a.url) &&
                old_submodule=$(git config submodule.submodule.url) &&
                git config submodule.a.url git@somewhere.else.net:a.git &&
                git config submodule.submodule.url git@somewhere.else.net:submodule.git &&
                test-submodule-config --url \
                        "" b \
                        "" submodule \
                                >actual &&
                test_cmp expect_url actual &&
                git config submodule.a.path c &&
                test-submodule-config \
                        "" c \
                        "" submodule \
                                >actual &&
                test_cmp expect_local_path actual &&
                git config submodule.a.url $old_a &&
                git config submodule.submodule.url $old_submodule &&
                git config --unset submodule.a.path c
        )
'

cat >super/expect_fetchrecurse_die.err <<EOF
fatal: bad submodule.submodule.fetchrecursesubmodules argument: blabla
EOF

test_expect_success 'local error in fetchrecursesubmodule dies early' '
        (cd super &&
                git config submodule.submodule.fetchrecursesubmodules blabla &&
                test_must_fail test-submodule-config \
                        "" b \
                        "" submodule \
                                >actual.out 2>actual.err &&
                touch expect_fetchrecurse_die.out &&
                test_cmp expect_fetchrecurse_die.out actual.out  &&
                test_cmp expect_fetchrecurse_die.err actual.err  &&
                git config --unset submodule.submodule.fetchrecursesubmodules
        )
'

test_expect_success 'error in history in fetchrecursesubmodule lets continue' '
        (cd super &&
                git config -f .gitmodules \
                        submodule.submodule.fetchrecursesubmodules blabla &&
                git add .gitmodules &&
                git config --unset -f .gitmodules \
                        submodule.submodule.fetchrecursesubmodules &&
                git commit -m "add error in fetchrecursesubmodules" &&
                test-submodule-config \
                        HEAD b \
                        HEAD submodule \
                                >actual &&
                test_cmp expect_error actual  &&
                git reset --hard HEAD^
        )
'

test_done