merge(third_party/git): Merge squashed git subtree at v2.23.0

Merge commit '1b593e1ea4' as 'third_party/git'

third_party/git/t/lib-git-svn.sh

@@ -0,0 +1,132 @@
+. ./test-lib.sh
+
+if test -n "$NO_SVN_TESTS"
+then
+	skip_all='skipping git svn tests, NO_SVN_TESTS defined'
+	test_done
+fi
+if ! test_have_prereq PERL; then
+	skip_all='skipping git svn tests, perl not available'
+	test_done
+fi
+
+GIT_DIR=$PWD/.git
+GIT_SVN_DIR=$GIT_DIR/svn/refs/remotes/git-svn
+SVN_TREE=$GIT_SVN_DIR/svn-tree
+test_set_port SVNSERVE_PORT
+
+svn >/dev/null 2>&1
+if test $? -ne 1
+then
+	skip_all='skipping git svn tests, svn not found'
+	test_done
+fi
+
+svnrepo=$PWD/svnrepo
+export svnrepo
+svnconf=$PWD/svnconf
+export svnconf
+
+perl -w -e "
+use SVN::Core;
+use SVN::Repos;
+\$SVN::Core::VERSION gt '1.1.0' or exit(42);
+system(qw/svnadmin create --fs-type fsfs/, \$ENV{svnrepo}) == 0 or exit(41);
+" >&3 2>&4
+x=$?
+if test $x -ne 0
+then
+	if test $x -eq 42; then
+		skip_all='Perl SVN libraries must be >= 1.1.0'
+	elif test $x -eq 41; then
+		skip_all='svnadmin failed to create fsfs repository'
+	else
+		skip_all='Perl SVN libraries not found or unusable'
+	fi
+	test_done
+fi
+
+rawsvnrepo="$svnrepo"
+svnrepo="file://$svnrepo"
+
+poke() {
+	test-tool chmtime +1 "$1"
+}
+
+# We need this, because we should pass empty configuration directory to
+# the 'svn commit' to avoid automated property changes and other stuff
+# that could be set from user's configuration files in ~/.subversion.
+svn_cmd () {
+	[ -d "$svnconf" ] || mkdir "$svnconf"
+	orig_svncmd="$1"; shift
+	if [ -z "$orig_svncmd" ]; then
+		svn
+		return
+	fi
+	svn "$orig_svncmd" --config-dir "$svnconf" "$@"
+}
+
+maybe_start_httpd () {
+	loc=${1-svn}
+
+	if git env--helper --type=bool --default=false --exit-code GIT_TEST_HTTPD
+	then
+		. "$TEST_DIRECTORY"/lib-httpd.sh
+		LIB_HTTPD_SVN="$loc"
+		start_httpd
+	fi
+}
+
+convert_to_rev_db () {
+	perl -w -- - "$@" <<\EOF
+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 $!;
+EOF
+}
+
+require_svnserve () {
+	if ! git env--helper --type=bool --default=false --exit-code GIT_TEST_SVNSERVE
+	then
+		skip_all='skipping svnserve test. (set $GIT_TEST_SVNSERVE to enable)'
+		test_done
+	fi
+}
+
+start_svnserve () {
+	svnserve --listen-port $SVNSERVE_PORT \
+		 --root "$rawsvnrepo" \
+		 --listen-once \
+		 --listen-host 127.0.0.1 &
+}
+
+prepare_a_utf8_locale () {
+	a_utf8_locale=$(locale -a | sed -n '/\.[uU][tT][fF]-*8$/{
+	p
+	q
+}')
+	if test -n "$a_utf8_locale"
+	then
+		test_set_prereq UTF8
+	else
+		say "# UTF-8 locale not available, some tests are skipped"
+	fi
+}