merge(third_party/cgit): Import at master of 2020-01-11

Imported commit '723dc8fbcb' as
'third_party/cgit'.

third_party/cgit/tests/setup.sh

@@ -0,0 +1,176 @@
+# This file should be sourced by all test-scripts
+#
+# Main functions:
+#   prepare_tests(description) - setup for testing, i.e. create repos+config
+#   run_test(description, script) - run one test, i.e. eval script
+#
+# Helper functions
+#   cgit_query(querystring) - call cgit with the specified querystring
+#   cgit_url(url) - call cgit with the specified virtual url
+#
+# Example script:
+#
+# . setup.sh
+# prepare_tests "html validation"
+# run_test 'repo index' 'cgit_url "/" | tidy -e'
+# run_test 'repo summary' 'cgit_url "/foo" | tidy -e'
+
+# We don't want to run Git commands through Valgrind, so we filter out the
+# --valgrind option here and handle it ourselves.  We copy the arguments
+# assuming that none contain a newline, although other whitespace is
+# preserved.
+LF='
+'
+test_argv=
+
+while test $# != 0
+do
+	case "$1" in
+	--va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
+		cgit_valgrind=t
+		test_argv="$test_argv${LF}--verbose"
+		;;
+	*)
+		test_argv="$test_argv$LF$1"
+		;;
+	esac
+	shift
+done
+
+OLDIFS=$IFS
+IFS=$LF
+set -- $test_argv
+IFS=$OLDIFS
+
+: ${TEST_DIRECTORY=$(pwd)/../git/t}
+: ${TEST_OUTPUT_DIRECTORY=$(pwd)}
+TEST_NO_CREATE_REPO=YesPlease
+. "$TEST_DIRECTORY"/test-lib.sh
+
+# Prepend the directory containing cgit to PATH.
+if test -n "$cgit_valgrind"
+then
+	GIT_VALGRIND="$TEST_DIRECTORY/valgrind"
+	CGIT_VALGRIND=$(cd ../valgrind && pwd)
+	PATH="$CGIT_VALGRIND/bin:$PATH"
+	export GIT_VALGRIND CGIT_VALGRIND
+else
+	PATH="$(pwd)/../..:$PATH"
+fi
+
+FILTER_DIRECTORY=$(cd ../filters && pwd)
+
+if cgit --version | grep -F -q "[+] Lua scripting"; then
+	export CGIT_HAS_LUA=1
+else
+	export CGIT_HAS_LUA=0
+fi
+
+mkrepo() {
+	name=$1
+	count=$2
+	test_create_repo "$name"
+	(
+		cd "$name"
+		n=1
+		while test $n -le $count
+		do
+			echo $n >file-$n
+			git add file-$n
+			git commit -m "commit $n"
+			n=$(expr $n + 1)
+		done
+		if test "$3" = "testplus"
+		then
+			echo "hello" >a+b
+			git add a+b
+			git commit -m "add a+b"
+			git branch "1+2"
+		fi
+	)
+}
+
+setup_repos()
+{
+	rm -rf cache
+	mkdir -p cache
+	mkrepo repos/foo 5 >/dev/null
+	mkrepo repos/bar 50 >/dev/null
+	mkrepo repos/foo+bar 10 testplus >/dev/null
+	mkrepo "repos/with space" 2 >/dev/null
+	mkrepo repos/filter 5 testplus >/dev/null
+	cat >cgitrc <<EOF
+virtual-root=/
+cache-root=$PWD/cache
+
+cache-size=1021
+snapshots=tar.gz tar.bz zip
+enable-log-filecount=1
+enable-log-linecount=1
+summary-log=5
+summary-branches=5
+summary-tags=5
+clone-url=git://example.org/\$CGIT_REPO_URL.git
+enable-filter-overrides=1
+
+repo.url=foo
+repo.path=$PWD/repos/foo/.git
+# Do not specify a description for this repo, as it then will be assigned
+# the constant value "[no description]" (which actually used to cause a
+# segfault).
+
+repo.url=bar
+repo.path=$PWD/repos/bar/.git
+repo.desc=the bar repo
+
+repo.url=foo+bar
+repo.path=$PWD/repos/foo+bar/.git
+repo.desc=the foo+bar repo
+
+repo.url=with space
+repo.path=$PWD/repos/with space/.git
+repo.desc=spaced repo
+
+repo.url=filter-exec
+repo.path=$PWD/repos/filter/.git
+repo.desc=filtered repo
+repo.about-filter=exec:$FILTER_DIRECTORY/dump.sh
+repo.commit-filter=exec:$FILTER_DIRECTORY/dump.sh
+repo.email-filter=exec:$FILTER_DIRECTORY/dump.sh
+repo.source-filter=exec:$FILTER_DIRECTORY/dump.sh
+repo.readme=master:a+b
+EOF
+
+	if [ $CGIT_HAS_LUA -eq 1 ]; then
+		cat >>cgitrc <<EOF
+repo.url=filter-lua
+repo.path=$PWD/repos/filter/.git
+repo.desc=filtered repo
+repo.about-filter=lua:$FILTER_DIRECTORY/dump.lua
+repo.commit-filter=lua:$FILTER_DIRECTORY/dump.lua
+repo.email-filter=lua:$FILTER_DIRECTORY/dump.lua
+repo.source-filter=lua:$FILTER_DIRECTORY/dump.lua
+repo.readme=master:a+b
+EOF
+	fi
+}
+
+cgit_query()
+{
+	CGIT_CONFIG="$PWD/cgitrc" QUERY_STRING="$1" cgit
+}
+
+cgit_url()
+{
+	CGIT_CONFIG="$PWD/cgitrc" QUERY_STRING="url=$1" cgit
+}
+
+strip_headers() {
+	while read -r line
+	do
+		test -z "$line" && break
+	done
+	cat
+}
+
+test -z "$CGIT_TEST_NO_CREATE_REPOS" && setup_repos