fileflows: tolerate no pre-existing fileflows units when checking for the new Agent unit

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -530,6 +530,18 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 </details>
 
+## 2026-09-04
+
+### 🚀 Updated Scripts
+
+  - #### 🐞 Bug Fixes
+
+    - fix-update-authentik-2026.8.1 [@thieneret](https://github.com/thieneret) ([#16999](https://github.com/community-scripts/ProxmoxVE/pull/16999))
+
+### 💾 Core
+
+  - setup_go: resolve bare major.minor versions to the latest patch release [@MickLesk](https://github.com/MickLesk) ([core#24](https://github.com/community-scripts/core/pull/24))
+
 ## 2026-09-03
 
 ### 🚀 Updated Scripts

ct/authentik.sh

@@ -88,7 +88,7 @@ function update_script() {
       msg_info "Moving blueprints to presistent directory"
       cp -r /opt/authentik/blueprints /opt/authentik-data/
       rm -r /opt/authentik/blueprints
-      chown -R authentik:authentik /opt/authentik-data
+      chown -Rf authentik:authentik /opt/authentik-data
       yq -i ".blueprints_dir = \"/opt/authentik-data/blueprints\"" /etc/authentik/config.yml
       msg_ok "blueprints moved to presistent directory"
       msg_warn "The blueprints provided by authentik are always overwritten when updated! Only manually created custom blueprints remain unchanged between updates."
@@ -155,7 +155,7 @@ function update_script() {
 
     cp -r /opt/authentik/blueprints /opt/authentik-data/
     rm -r /opt/authentik/blueprints
-    chown -R authentik:authentik /opt/authentik-data
+    chown -Rf authentik:authentik /opt/authentik-data
     
     if [[ $MAJOR == 2026 && $MINOR -lt 8 ]]; then
 	    msg_info "Updating Worker and Server config (from $MAJOR.$MINOR)"
@@ -228,7 +228,7 @@ $STD pct exec "$CTID" -- bash -c "mkdir -p /opt/authentik-data/{certs,media,geoi
   cp /opt/authentik/tests/GeoLite2-City-Test.mmdb /opt/authentik-data/geoip/GeoLite2-City.mmdb; \
   cp -r /opt/authentik/blueprints /opt/authentik-data/; \
   rm -r /opt/authentik/blueprints; \
-  chown -R authentik:authentik /opt/authentik-data"
+  chown -Rf authentik:authentik /opt/authentik-data"
 msg_ok "Attached data storage volume"
 
 msg_info "Starting Services"

install/fileflows-install.sh

@@ -45,7 +45,7 @@ $STD ln -svf /usr/bin/ffmpeg /usr/local/bin/ffmpeg
 $STD ln -svf /usr/bin/ffprobe /usr/local/bin/ffprobe
 $STD rm -rf /opt/fileflows/Server/runtimes/win-*
 
-read -r -p "${TAB3}Do you want to install FileFlows Server or Node? (S/N): " install_server
+read -r -p "${TAB3}Do you want to install FileFlows Server or Agent? (S/A): " install_server
 
 if [[ "$install_server" =~ ^[Ss]$ ]]; then
   msg_info "Installing FileFlows Server"
@@ -54,15 +54,23 @@ if [[ "$install_server" =~ ^[Ss]$ ]]; then
   systemctl enable -q --now fileflows
   msg_ok "Installed FileFlows Server"
 else
-  msg_info "Installing FileFlows Node"
+  msg_info "Installing FileFlows Agent"
+  stop_spinner
   read -r -p "${TAB3}Enter FileFlows Server URL (e.g. http://192.168.1.10:19200): " server_url
   while [[ -z "${server_url// /}" ]]; do
     read -r -p "${TAB3}Enter FileFlows Server URL (e.g. http://192.168.1.10:19200): " server_url
   done
-  cd /opt/fileflows/Node
-  $STD dotnet FileFlows.Node.dll --server "$server_url" --systemd install --root true
-  systemctl enable -q --now fileflows-node
-  msg_ok "Installed FileFlows Node"
+  cd /opt/fileflows/Agent
+  before_units="$(systemctl list-unit-files 'fileflows*' --no-legend 2>/dev/null | awk '{print $1}' | sort || true)"
+  $STD dotnet FileFlows.Agent.dll --server "$server_url" --systemd install --root true
+  after_units="$(systemctl list-unit-files 'fileflows*' --no-legend 2>/dev/null | awk '{print $1}' | sort || true)"
+  agent_unit="$(comm -13 <(echo "$before_units") <(echo "$after_units") | head -n1)"
+  if [[ -n "$agent_unit" ]]; then
+    systemctl enable -q --now "$agent_unit"
+  else
+    msg_warn "Could not detect the FileFlows Agent systemd unit; start it manually (systemctl list-unit-files 'fileflows*')."
+  fi
+  msg_ok "Installed FileFlows Agent"
 fi
 
 motd_ssh