Move the body of go_compile_test_dir into a file since GNU Parallel breaks on sourcing exported Bash functions thanks to the shellshock fixes

Signed-off-by: Andrew Page <admwiggin@gmail.com>
Upstream-commit: 8ffdf6022e88e19c6d1f434a69ff5cbd3dc7db6b
Component: engine

components/engine/hack/make/.go-compile-test-dir

@@ -0,0 +1,26 @@
+#!/bin/bash
+set -e
+
+# Compile phase run by parallel in test-unit. No support for coverpkg
+
+dir=$1
+out_file="$DEST/precompiled/$dir.test"
+testcover=()
+if [ "$HAVE_GO_TEST_COVER" ]; then
+	# if our current go install has -cover, we want to use it :)
+	mkdir -p "$DEST/coverprofiles"
+	coverprofile="docker${dir#.}"
+	coverprofile="$DEST/coverprofiles/${coverprofile//\//-}"
+	testcover=( -cover -coverprofile "$coverprofile" ) # missing $coverpkg
+fi
+if [ "$BUILDFLAGS_FILE" ]; then
+	readarray -t BUILDFLAGS < "$BUILDFLAGS_FILE"
+fi
+(
+	cd "$dir"
+	go test "${testcover[@]}" -ldflags "$LDFLAGS" "${BUILDFLAGS[@]}" $TESTFLAGS -c
+)
+[ $? -ne 0 ] && return 1
+mkdir -p "$(dirname "$out_file")"
+mv "$dir/$(basename "$dir").test" "$out_file"
+echo "Precompiled: ${DOCKER_PKG}${dir#.}"