#!/bin/sh
#
# Copyright (c) 2007 Johannes Schindelin
#

test_description='Test shared repository initialization'

. ./test-lib.sh

# Remove a default ACL from the test dir if possible.
setfacl -k . 2>/dev/null

# User must have read permissions to the repo -> failure on --shared=0400
test_expect_success 'shared = 0400 (faulty permission u-w)' '
        mkdir sub && (
                cd sub && git init --shared=0400
        )
        ret="$?"
        rm -rf sub
        test $ret != "0"
'

modebits () {
        ls -l "$1" | sed -e 's|^\(..........\).*|\1|'
}

for u in 002 022
do
        test_expect_success POSIXPERM "shared=1 does not clear bits preset by umask $u" '
                mkdir sub && (
                        cd sub &&
                        umask $u &&
                        git init --shared=1 &&
                        test 1 = "$(git config core.sharedrepository)"
                ) &&
                actual=$(ls -l sub/.git/HEAD)
                case "$actual" in
                -rw-rw-r--*)
                        : happy
                        ;;
                *)
                        echo Oops, .git/HEAD is not 0664 but $actual
                        false
                        ;;
                esac
        '
        rm -rf sub
done

test_expect_success 'shared=all' '
        mkdir sub &&
        cd sub &&
        git init --shared=all &&
        test 2 = $(git config core.sharedrepository)
'

test_expect_success POSIXPERM 'update-server-info honors core.sharedRepository' '
        : > a1 &&
        git add a1 &&
        test_tick &&
        git commit -m a1 &&
        umask 0277 &&
        git update-server-info &&
        actual="$(ls -l .git/info/refs)" &&
        case "$actual" in
        -r--r--r--*)
                : happy
                ;;
        *)
                echo Oops, .git/info/refs is not 0444
                false
                ;;
        esac
'

for u in        0660:rw-rw---- \
                0640:rw-r----- \
                0600:rw------- \
                0666:rw-rw-rw- \
                0664:rw-rw-r--
do
        x=$(expr "$u" : ".*:\([rw-]*\)") &&
        y=$(echo "$x" | sed -e "s/w/-/g") &&
        u=$(expr "$u" : "\([0-7]*\)") &&
        git config core.sharedrepository "$u" &&
        umask 0277 &&

        test_expect_success POSIXPERM "shared = $u ($y) ro" '

                rm -f .git/info/refs &&
                git update-server-info &&
                actual="$(modebits .git/info/refs)" &&
                test "x$actual" = "x-$y" || {
                        ls -lt .git/info
                        false
                }
        '

        umask 077 &&
        test_expect_success POSIXPERM "shared = $u ($x) rw" '

                rm -f .git/info/refs &&
                git update-server-info &&
                actual="$(modebits .git/info/refs)" &&
                test "x$actual" = "x-$x" || {
                        ls -lt .git/info
                        false
                }

        '

done

test_expect_success POSIXPERM 'info/refs respects umask in unshared repo' '
        rm -f .git/info/refs &&
        test_unconfig core.sharedrepository &&
        umask 002 &&
        git update-server-info &&
        echo "-rw-rw-r--" >expect &&
        modebits .git/info/refs >actual &&
        test_cmp expect actual
'

test_expect_success POSIXPERM 'git reflog expire honors core.sharedRepository' '
        umask 077 &&
        git config core.sharedRepository group &&
        git reflog expire --all &&
        actual="$(ls -l .git/logs/refs/heads/master)" &&
        case "$actual" in
        -rw-rw-*)
                : happy
                ;;
        *)
                echo Ooops, .git/logs/refs/heads/master is not 0662 [$actual]
                false
                ;;
        esac
'

test_expect_success POSIXPERM 'forced modes' '
        mkdir -p templates/hooks &&
        echo update-server-info >templates/hooks/post-update &&
        chmod +x templates/hooks/post-update &&
        echo : >random-file &&
        mkdir new &&
        (
                cd new &&
                umask 002 &&
                git init --shared=0660 --template=../templates &&
                >frotz &&
                git add frotz &&
                git commit -a -m initial &&
                git repack
        ) &&
        # List repository files meant to be protected; note that
        # COMMIT_EDITMSG does not matter---0mode is not about a
        # repository with a work tree.
        find new/.git -type f -name COMMIT_EDITMSG -prune -o -print |
        xargs ls -ld >actual &&

        # Everything must be unaccessible to others
        test -z "$(sed -e "/^.......---/d" actual)" &&

        # All directories must have either 2770 or 770
        test -z "$(sed -n -e "/^drwxrw[sx]---/d" -e "/^d/p" actual)" &&

        # post-update hook must be 0770
        test -z "$(sed -n -e "/post-update/{
                /^-rwxrwx---/d
                p
        }" actual)" &&

        # All files inside objects must be accessible by us
        test -z "$(sed -n -e "/objects\//{
                /^d/d
                /^-r.-r.----/d
                p
        }" actual)"
'

test_done