Give pkgs their own directory and convert everything to callPackage.

pkgs/nodeinfo/default.nix

@@ -0,0 +1,15 @@
+{pkgs}:
+
+with pkgs;
+stdenv.mkDerivation {
+  name = "nodeinfo";
+  src = ./nodeinfo.sh;
+
+  unpackPhase = "true";
+  installPhase = ''
+    mkdir -p $out
+    mkdir -p $out/bin
+    cp $src $out/bin/nodeinfo
+    chmod +x $out/bin/nodeinfo
+    '';
+}

pkgs/nodeinfo/nodeinfo.sh

@@ -0,0 +1,42 @@
+set -e
+set -o pipefail
+
+BITCOIND_ONION="$(cat /var/lib/tor/onion/bitcoind/hostname)"
+CLIGHTNING_NODEID=$(sudo -u clightning lightning-cli --lightning-dir=/var/lib/clightning getinfo | jq -r '.id')
+CLIGHTNING_ONION="$(cat /var/lib/tor/onion/clightning/hostname)"
+CLIGHTNING_ID="$CLIGHTNING_NODEID@$CLIGHTNING_ONION:9735"
+
+echo BITCOIND_ONION="$BITCOIND_ONION"
+echo CLIGHTNING_NODEID="$CLIGHTNING_NODEID"
+echo CLIGHTNING_ONION="$CLIGHTNING_ONION"
+echo CLIGHTNING_ID="$CLIGHTNING_ID"
+
+NGINX_ONION_FILE=/var/lib/tor/onion/nginx/hostname
+if [ -e "$NGINX_ONION_FILE" ]; then
+    NGINX_ONION="$(cat $NGINX_ONION_FILE)"
+    echo NGINX_ONION="$NGINX_ONION"
+fi
+
+LIQUIDD_ONION_FILE=/var/lib/tor/onion/liquidd/hostname
+if [ -e "$LIQUIDD_ONION_FILE" ]; then
+    LIQUIDD_ONION="$(cat $LIQUIDD_ONION_FILE)"
+    echo LIQUIDD_ONION="$LIQUIDD_ONION"
+fi
+
+SPARKWALLET_ONION_FILE=/var/lib/tor/onion/spark-wallet/hostname
+if [ -e "$SPARKWALLET_ONION_FILE" ]; then
+    SPARKWALLET_ONION="$(cat $SPARKWALLET_ONION_FILE)"
+    echo SPARKWALLET_ONION="http://$SPARKWALLET_ONION"
+fi
+
+ELECTRS_ONION_FILE=/var/lib/tor/onion/electrs/hostname
+if [ -e "$ELECTRS_ONION_FILE" ]; then
+    ELECTRS_ONION="$(cat $ELECTRS_ONION_FILE)"
+    echo ELECTRS_ONION="$ELECTRS_ONION"
+fi
+
+SSHD_ONION_FILE=/var/lib/tor/onion/sshd/hostname
+if [ -e "$SSHD_ONION_FILE" ]; then
+    SSHD_ONION="$(cat $SSHD_ONION_FILE)"
+    echo SSHD_ONION="$SSHD_ONION"
+fi