#!/bin/sh

test_description='test smart fetching over http via http-backend'
. ./test-lib.sh

if test -n "$NO_CURL"; then
        skip_all='skipping test, git built without http support'
        test_done
fi

LIB_HTTPD_PORT=${LIB_HTTPD_PORT-'5551'}
. "$TEST_DIRECTORY"/lib-httpd.sh
start_httpd

test_expect_success 'setup repository' '
        echo content >file &&
        git add file &&
        git commit -m one
'

test_expect_success 'create http-accessible bare repository' '
        mkdir "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
        (cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
         git --bare init
        ) &&
        git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
        git push public master:master
'

setup_askpass_helper

cat >exp <<EOF
> GET /smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1
> Accept: */*
> Accept-Encoding: gzip
> Pragma: no-cache
< HTTP/1.1 200 OK
< Pragma: no-cache
< Cache-Control: no-cache, max-age=0, must-revalidate
< Content-Type: application/x-git-upload-pack-advertisement
> POST /smart/repo.git/git-upload-pack HTTP/1.1
> Accept-Encoding: gzip
> Content-Type: application/x-git-upload-pack-request
> Accept: application/x-git-upload-pack-result
> Content-Length: xxx
< HTTP/1.1 200 OK
< Pragma: no-cache
< Cache-Control: no-cache, max-age=0, must-revalidate
< Content-Type: application/x-git-upload-pack-result
EOF
test_expect_success 'clone http repository' '
        GIT_CURL_VERBOSE=1 git clone --quiet $HTTPD_URL/smart/repo.git clone 2>err &&
        test_cmp file clone/file &&
        tr '\''\015'\'' Q <err |
        sed -e "
                s/Q\$//
                /^[*] /d
                /^$/d
                /^< $/d

                /^[^><]/{
                        s/^/> /
                }

                /^> User-Agent: /d
                /^> Host: /d
                /^> POST /,$ {
                        /^> Accept: [*]\\/[*]/d
                }
                s/^> Content-Length: .*/> Content-Length: xxx/
                /^> 00..want /d
                /^> 00.*done/d

                /^< Server: /d
                /^< Expires: /d
                /^< Date: /d
                /^< Content-Length: /d
                /^< Transfer-Encoding: /d
        " >act &&
        test_cmp exp act
'

test_expect_success 'fetch changes via http' '
        echo content >>file &&
        git commit -a -m two &&
        git push public
        (cd clone && git pull) &&
        test_cmp file clone/file
'

cat >exp <<EOF
GET  /smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1 200
POST /smart/repo.git/git-upload-pack HTTP/1.1 200
GET  /smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1 200
POST /smart/repo.git/git-upload-pack HTTP/1.1 200
EOF
test_expect_success 'used upload-pack service' '
        sed -e "
                s/^.* \"//
                s/\"//
                s/ [1-9][0-9]*\$//
                s/^GET /GET  /
        " >act <"$HTTPD_ROOT_PATH"/access.log &&
        test_cmp exp act
'

test_expect_success 'follow redirects (301)' '
        git clone $HTTPD_URL/smart-redir-perm/repo.git --quiet repo-p
'

test_expect_success 'follow redirects (302)' '
        git clone $HTTPD_URL/smart-redir-temp/repo.git --quiet repo-t
'

test_expect_success 'clone from password-protected repository' '
        echo two >expect &&
        set_askpass user@host &&
        git clone --bare "$HTTPD_URL/auth/smart/repo.git" smart-auth &&
        expect_askpass both user@host &&
        git --git-dir=smart-auth log -1 --format=%s >actual &&
        test_cmp expect actual
'

test_expect_success 'clone from auth-only-for-push repository' '
        echo two >expect &&
        set_askpass wrong &&
        git clone --bare "$HTTPD_URL/auth-push/smart/repo.git" smart-noauth &&
        expect_askpass none &&
        git --git-dir=smart-noauth log -1 --format=%s >actual &&
        test_cmp expect actual
'

test_expect_success 'disable dumb http on server' '
        git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
                config http.getanyfile false
'

test_expect_success 'GIT_SMART_HTTP can disable smart http' '
        (GIT_SMART_HTTP=0 &&
         export GIT_SMART_HTTP &&
         cd clone &&
         test_must_fail git fetch)
'

test -n "$GIT_TEST_LONG" && test_set_prereq EXPENSIVE

test_expect_success EXPENSIVE 'create 50,000 tags in the repo' '
        (
        cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
        for i in `test_seq 50000`
        do
                echo "commit refs/heads/too-many-refs"
                echo "mark :$i"
                echo "committer git <git@example.com> $i +0000"
                echo "data 0"
                echo "M 644 inline bla.txt"
                echo "data 4"
                echo "bla"
                # make every commit dangling by always
                # rewinding the branch after each commit
                echo "reset refs/heads/too-many-refs"
                echo "from :1"
        done | git fast-import --export-marks=marks &&

        # now assign tags to all the dangling commits we created above
        tag=$("$PERL_PATH" -e "print \"bla\" x 30") &&
        sed -e "s/^:\(.\+\) \(.\+\)$/\2 refs\/tags\/$tag-\1/" <marks >>packed-refs
        )
'

test_expect_success EXPENSIVE 'clone the 50,000 tag repo to check OS command line overflow' '
        git clone $HTTPD_URL/smart/repo.git too-many-refs 2>err &&
        test_line_count = 0 err
'

stop_httpd
test_done