Add shellcheck step to lint CI pipeline

.woodpecker/lint.yml

@@ -1,6 +1,10 @@
 ---
 pipeline:
+  shellcheck:
+    image: pipelinecomponents/shellcheck
+    commands:
+      - find . -name .git -type d -prune -o -type f -name \*.sh -print0 | xargs -0 -r -t -n1 shellcheck
   hadolint:
     image:  pipelinecomponents/hadolint
     commands:
-      - hadolint Dockerfile
+      - find . -name .git -type d -prune -o -type f \( -name Dockerfile\* -or -name Containerfile\* \) -print0 | xargs -0 -r -t -n1 hadolint

run.sh

@@ -5,10 +5,12 @@ CA_CERT_FILE="${CERTS_DIR}/ca/cert.pem"
 CA_KEY_FILE="${CERTS_DIR}/ca/key.pem"
 
 mkdir -p "${CERTS_DIR}/ca"
-[ -e "${CA_CERT_FILE}" -a -e "${CA_KEY_FILE}" ] || \
+if [ ! -e "${CA_CERT_FILE}" ] || [ ! -e "${CA_KEY_FILE}" ] ; then
+    rm -f "${CA_CERT_FILE}" "${CA_KEY_FILE}"
     openssl req -new -newkey rsa:2048 -sha256 -days 1500 -nodes -x509 \
         -extensions v3_ca -subj "/C=/ST=/L=/O=/OU=/CN=proxy" \
         -keyout "${CA_KEY_FILE}" -out "${CA_CERT_FILE}"
+fi
 
 mkdir -p /static
 cp -f "${CA_CERT_FILE}" /static/ca.crt