source ./test-lib.sh

if test -n $NO_SVN_TESTS
{
	setglobal skip_all = ''skipping git svn tests, NO_SVN_TESTS defined''
	test_done
}
if ! test_have_prereq PERL {
	setglobal skip_all = ''skipping git svn tests, perl not available''
	test_done
}

setglobal GIT_DIR = "$PWD/.git"
setglobal GIT_SVN_DIR = "$GIT_DIR/svn/refs/remotes/git-svn"
setglobal SVN_TREE = "$GIT_SVN_DIR/svn-tree"

svn >/dev/null !2 > !1
if test $Status -ne 1
{
    setglobal skip_all = ''skipping git svn tests, svn not found''
    test_done
}

setglobal svnrepo = "$PWD/svnrepo"
export svnrepo
setglobal svnconf = "$PWD/svnconf"
export svnconf

perl -w -e "
use SVN::Core;
use SVN::Repos;
\$SVN::Core::VERSION gt '1.1.0' or exit(42);
system(qw/svnadmin create --fs-type fsfs/, \$ENV{svnrepo}) == 0 or exit(41);
" > !3 !2 > !4
setglobal x = $Status
if test $x -ne 0
{
	if test $x -eq 42 {
		setglobal skip_all = ''Perl SVN libraries must be >= 1.1.0''
	} elif test $x -eq 41 {
		setglobal skip_all = ''svnadmin failed to create fsfs repository''
	} else {
		setglobal skip_all = ''Perl SVN libraries not found or unusable''
	}
	test_done
}

setglobal rawsvnrepo = $svnrepo
setglobal svnrepo = ""file://$svnrepo""

proc poke {
	test-chmtime +1 $1
}

# We need this, because we should pass empty configuration directory to
# the 'svn commit' to avoid automated property changes and other stuff
# that could be set from user's configuration files in ~/.subversion.
proc svn_cmd {
	test -d $svnconf || mkdir $svnconf
	setglobal orig_svncmd = $1; shift
	if test -z $orig_svncmd {
		svn
		return
	}
	svn $orig_svncmd --config-dir $svnconf @Argv
}

proc maybe_start_httpd {
	setglobal loc = $(1-svn)

	test_tristate GIT_SVN_TEST_HTTPD
	match $GIT_SVN_TEST_HTTPD {
	with true
		source "$TEST_DIRECTORY"/lib-httpd.sh
		setglobal LIB_HTTPD_SVN = $loc
		start_httpd
		
	with *
		proc stop_httpd {
			: noop
		}
		
	}
}

proc convert_to_rev_db {
	perl -w -- - @Argv << '''
use strict;
@ARGV == 2 or die "usage: convert_to_rev_db <input> <output>";
open my $wr, '+>', $ARGV[1] or die "$!: couldn't open: $ARGV[1]";
open my $rd, '<', $ARGV[0] or die "$!: couldn't open: $ARGV[0]";
my $size = (stat($rd))[7];
($size % 24) == 0 or die "Inconsistent size: $size";
while (sysread($rd, my $buf, 24) == 24) {
	my ($r, $c) = unpack('NH40', $buf);
	my $offset = $r * 41;
	seek $wr, 0, 2 or die $!;
	my $pos = tell $wr;
	if ($pos < $offset) {
		for (1 .. (($offset - $pos) / 41)) {
			print $wr (('0' x 40),"\n") or die $!;
		}
	}
	seek $wr, $offset, 0 or die $!;
	print $wr $c,"\n" or die $!;
}
close $wr or die $!;
close $rd or die $!;
'''
}

proc require_svnserve {
    if test -z $SVNSERVE_PORT
    {
	setglobal skip_all = ''skipping svnserve test. (set $SVNSERVE_PORT to enable)''
        test_done
    }
}

proc start_svnserve {
    svnserve --listen-port $SVNSERVE_PORT \
             --root $rawsvnrepo \
             --listen-once \
             --listen-host 127.0.0.1 &
}

proc prepare_a_utf8_locale {
	setglobal a_utf8_locale = $[locale -a | sed -n '/\.[uU][tT][fF]-*8$/{
	p
	q
}]
	if test -n $a_utf8_locale
	{
		test_set_prereq UTF8
	} else {
		say "# UTF-8 locale not available, some tests are skipped"
	}
}