exclude sh tests that require resh to be installed from actions

.github/workflows/sh.yaml

@@ -13,8 +13,5 @@ jobs:
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2
 
-      - name: Checkout submodules
-        run: git submodule update --init --recursive 
-
       - name: Test
         run: scripts/test.sh

Makefile

@@ -14,7 +14,7 @@ install: build
 test:
 	go test -v ./...
 	go vet ./...
-	scripts/test.sh
+	scripts/test.sh --all
 
 rebuild:
 	make clean

scripts/test.sh

@@ -14,10 +14,12 @@ for f in scripts/{shellrc,util,reshctl,hooks}.sh; do
     ! zsh -n "$f" && echo "Zsh syntax check failed!" && exit 1
 done
 
-for sh in bash zsh; do
+if [ "$1" == "--all" ]; then
+	for sh in bash zsh; do
 	    echo "Running functions in scripts/shellrc.sh using $sh ..."
 	    ! $sh -c ". scripts/shellrc.sh; __resh_preexec; __resh_precmd" && echo "Error while running functions!" && exit 1
-done
+	done
+fi
 
 # TODO: test installation