Assign value to PRIV_KEY env variable

The content of Private key stored in ~/.ssh/gerrit is stored in an environment variable PRIV_KEY which is then passed to the container.

bin/docker-execute

@@ -12,11 +12,13 @@ REPO_NAME=$1
 PACKAGE_NAME=$2
 HELP=false
 REBUILD=false
+PRIVKEY==$(cat $HOME/.ssh/gerrit)
 
 echo "package: $2"
 echo "Image: $IMAGE_NAME"
 echo "UID: $(id -u)"
 echo "GID: $(id -g)"
+echo "PRIV KEY : $PRIVKEY"
 # Enable docker buildkit with inline cache builds
 export DOCKER_BUILDKIT=1
 
@@ -229,6 +231,7 @@ docker run --privileged=true -dit \
   -e PACKAGE_NAME=$PACKAGE_NAME \
   -e REPO_NAME=$REPO_NAME \
   -e SSH_KEY=$SSH_KEY \
+  -e PRIVKEY=$PRIVKEY \
   --env "LOCAL_GITHUB_ACCESS_TOKEN=$LOCAL_GITHUB_ACCESS_TOKEN" \
   "${DOCKER_OPTS[@]}" \
   --cap-add=SYS_PTRACE \