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

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

third_party/git/t/gitweb-lib.sh

@@ -0,0 +1,122 @@
+# Initialization and helpers for Gitweb tests, which source this
+# shell library instead of test-lib.sh.
+#
+# Copyright (c) 2007 Jakub Narebski
+#
+
+gitweb_init () {
+	safe_pwd="$(perl -MPOSIX=getcwd -e 'print quotemeta(getcwd)')"
+	cat >gitweb_config.perl <<EOF
+#!/usr/bin/perl
+
+# gitweb configuration for tests
+
+our \$version = 'current';
+our \$GIT = 'git';
+our \$projectroot = "$safe_pwd";
+our \$project_maxdepth = 8;
+our \$home_link_str = 'projects';
+our \$site_name = '[localhost]';
+our \$site_html_head_string = '';
+our \$site_header = '';
+our \$site_footer = '';
+our \$home_text = 'indextext.html';
+our @stylesheets = ('file:///$GIT_BUILD_DIR/gitweb/static/gitweb.css');
+our \$logo = 'file:///$GIT_BUILD_DIR/gitweb/static/git-logo.png';
+our \$favicon = 'file:///$GIT_BUILD_DIR/gitweb/static/git-favicon.png';
+our \$projects_list = '';
+our \$export_ok = '';
+our \$strict_export = '';
+our \$maxload = undef;
+
+EOF
+
+	cat >.git/description <<EOF
+$0 test repository
+EOF
+
+	# You can set the GITWEB_TEST_INSTALLED environment variable to
+	# the gitwebdir (the directory where gitweb is installed / deployed to)
+	# of an existing gitweb installation to test that installation,
+	# or simply to pathname of installed gitweb script.
+	if test -n "$GITWEB_TEST_INSTALLED" ; then
+		if test -d $GITWEB_TEST_INSTALLED; then
+			SCRIPT_NAME="$GITWEB_TEST_INSTALLED/gitweb.cgi"
+		else
+			SCRIPT_NAME="$GITWEB_TEST_INSTALLED"
+		fi
+		test -f "$SCRIPT_NAME" ||
+		error "Cannot find gitweb at $GITWEB_TEST_INSTALLED."
+		say "# Testing $SCRIPT_NAME"
+	else # normal case, use source version of gitweb
+		SCRIPT_NAME="$GIT_BUILD_DIR/gitweb/gitweb.perl"
+	fi
+	export SCRIPT_NAME
+}
+
+gitweb_run () {
+	GATEWAY_INTERFACE='CGI/1.1'
+	HTTP_ACCEPT='*/*'
+	REQUEST_METHOD='GET'
+	QUERY_STRING=""$1""
+	PATH_INFO=""$2""
+	export GATEWAY_INTERFACE HTTP_ACCEPT REQUEST_METHOD \
+		QUERY_STRING PATH_INFO
+
+	GITWEB_CONFIG=$(pwd)/gitweb_config.perl
+	export GITWEB_CONFIG
+
+	# some of git commands write to STDERR on error, but this is not
+	# written to web server logs, so we are not interested in that:
+	# we are interested only in properly formatted errors/warnings
+	rm -f gitweb.log &&
+	perl -- "$SCRIPT_NAME" \
+		>gitweb.output 2>gitweb.log &&
+	perl -w -e '
+		open O, ">gitweb.headers";
+		while (<>) {
+			print O;
+			last if (/^\r$/ || /^$/);
+		}
+		open O, ">gitweb.body";
+		while (<>) {
+			print O;
+		}
+		close O;
+	' gitweb.output &&
+	if grep '^[[]' gitweb.log >/dev/null 2>&1; then
+		test_debug 'cat gitweb.log >&2' &&
+		false
+	else
+		true
+	fi
+
+	# gitweb.log is left for debugging
+	# gitweb.output is used to parse HTTP output
+	# gitweb.headers contains only HTTP headers
+	# gitweb.body contains body of message, without headers
+}
+
+. ./test-lib.sh
+
+if ! test_have_prereq PERL; then
+	skip_all='skipping gitweb tests, perl not available'
+	test_done
+fi
+
+perl -MEncode -e '$e="";decode_utf8($e, Encode::FB_CROAK)' >/dev/null 2>&1 || {
+	skip_all='skipping gitweb tests, perl version is too old'
+	test_done
+}
+
+perl -MCGI -MCGI::Util -MCGI::Carp -e 0 >/dev/null 2>&1 || {
+	skip_all='skipping gitweb tests, CGI & CGI::Util & CGI::Carp modules not available'
+	test_done
+}
+
+perl -mTime::HiRes -e 0 >/dev/null 2>&1 || {
+	skip_all='skipping gitweb tests, Time::HiRes module not available'
+	test_done
+}
+
+gitweb_init