#!/bin/sh
#
# Copyright (c) 2008 David Aguilar
#

test_description='git submodule sync

These tests exercise the "git submodule sync" subcommand.
'

. ./test-lib.sh

test_expect_success setup '
        echo file > file &&
        git add file &&
        test_tick &&
        git commit -m upstream &&
        git clone . super &&
        git clone super submodule &&
        (cd super &&
         git submodule add ../submodule submodule &&
         test_tick &&
         git commit -m "submodule"
        ) &&
        git clone super super-clone &&
        (cd super-clone && git submodule update --init) &&
        git clone super empty-clone &&
        (cd empty-clone && git submodule init) &&
        git clone super top-only-clone &&
        git clone super relative-clone &&
        (cd relative-clone && git submodule update --init)
'

test_expect_success 'change submodule' '
        (cd submodule &&
         echo second line >> file &&
         test_tick &&
         git commit -a -m "change submodule"
        )
'

test_expect_success 'change submodule url' '
        (cd super &&
         cd submodule &&
         git checkout master &&
         git pull
        ) &&
        mv submodule moved-submodule &&
        (cd super &&
         git config -f .gitmodules submodule.submodule.url ../moved-submodule &&
         test_tick &&
         git commit -a -m moved-submodule
        )
'

test_expect_success '"git submodule sync" should update submodule URLs' '
        (cd super-clone &&
         git pull --no-recurse-submodules &&
         git submodule sync
        ) &&
        test -d "$(cd super-clone/submodule &&
         git config remote.origin.url
        )" &&
        (cd super-clone/submodule &&
         git checkout master &&
         git pull
        ) &&
        (cd super-clone &&
         test -d "$(git config submodule.submodule.url)"
        )
'

test_expect_success '"git submodule sync" should update known submodule URLs' '
        (cd empty-clone &&
         git pull &&
         git submodule sync &&
         test -d "$(git config submodule.submodule.url)"
        )
'

test_expect_success '"git submodule sync" should not vivify uninteresting submodule' '
        (cd top-only-clone &&
         git pull &&
         git submodule sync &&
         test -z "$(git config submodule.submodule.url)" &&
         git submodule sync submodule &&
         test -z "$(git config submodule.submodule.url)"
        )
'

test_expect_success '"git submodule sync" handles origin URL of the form foo' '
        (cd relative-clone &&
         git remote set-url origin foo &&
         git submodule sync &&
        (cd submodule &&
         #actual fails with: "cannot strip off url foo
         test "$(git config remote.origin.url)" = "../submodule"
        )
        )
'

test_expect_success '"git submodule sync" handles origin URL of the form foo/bar' '
        (cd relative-clone &&
         git remote set-url origin foo/bar &&
         git submodule sync &&
        (cd submodule &&
         #actual foo/submodule
         test "$(git config remote.origin.url)" = "../foo/submodule"
        )
        )
'

test_expect_success '"git submodule sync" handles origin URL of the form ./foo' '
        (cd relative-clone &&
         git remote set-url origin ./foo &&
         git submodule sync &&
        (cd submodule &&
         #actual ./submodule
         test "$(git config remote.origin.url)" = "../submodule"
        )
        )
'

test_expect_success '"git submodule sync" handles origin URL of the form ./foo/bar' '
        (cd relative-clone &&
         git remote set-url origin ./foo/bar &&
         git submodule sync &&
        (cd submodule &&
         #actual ./foo/submodule
         test "$(git config remote.origin.url)" = "../foo/submodule"
        )
        )
'

test_expect_success '"git submodule sync" handles origin URL of the form ../foo' '
        (cd relative-clone &&
         git remote set-url origin ../foo &&
         git submodule sync &&
        (cd submodule &&
         #actual ../submodule
         test "$(git config remote.origin.url)" = "../../submodule"
        )
        )
'

test_expect_success '"git submodule sync" handles origin URL of the form ../foo/bar' '
        (cd relative-clone &&
         git remote set-url origin ../foo/bar &&
         git submodule sync &&
        (cd submodule &&
         #actual ../foo/submodule
         test "$(git config remote.origin.url)" = "../../foo/submodule"
        )
        )
'

test_expect_success '"git submodule sync" handles origin URL of the form ../foo/bar with deeply nested submodule' '
        (cd relative-clone &&
         git remote set-url origin ../foo/bar &&
         mkdir -p a/b/c &&
         ( cd a/b/c &&
           git init &&
           :> .gitignore &&
           git add .gitignore &&
           test_tick &&
           git commit -m "initial commit" ) &&
         git submodule add ../bar/a/b/c ./a/b/c &&
         git submodule sync &&
        (cd a/b/c &&
         #actual ../foo/bar/a/b/c
         test "$(git config remote.origin.url)" = "../../../../foo/bar/a/b/c"
        )
        )
'


test_done