Frigate install fails: Error: Misuse of shell builtins

[chopst1x]

✅ Have you read and understood the above guidelines?

yes

🔎 Did you run the script with verbose mode enabled?

Yes, verbose mode was enabled and the output is included below

📜 What is the name of the script you are using?

Frigate

📂 What was the exact command used to execute the script?

bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/frigate.sh)"

⚙️ What settings are you using?

• Default Settings
• Advanced Settings

🖥️ Which Linux distribution are you using?

Debian 12

📈 Which Proxmox version are you on?

pve-manager/9.1.6/71482d1833ded40a (running kernel: 6.17.13-1-pve)

📝 Provide a clear and concise description of the issue.

Frigate install fails with message saying: Error: Misuse of shell builtins (e.g. syntax error)

🔄 Steps to reproduce the issue.

Run the install script with default settings.

❌ Paste the full error output (if available).

⚙️ Using Default Settings on node gen4
💡 PVE Version 9.1.6 (Kernel: 6.17.13-1-pve)
🆔 Container ID: 102
🖥️ Operating System: debian (12)
📦 Container Type: Privileged
💾 Disk Size: 20 GB
🧠 CPU Cores: 4
🛠️ RAM Size: 4096 MiB
🎮 GPU Passthrough: Enabled
🚀 Creating a Frigate LXC using the above default settings

✔️ Storage space validated
✔️ Storage local (Free: 59.3GB Used: 4.9GB) [Template]
✔️ Storage local-lvm (Free: 121.5GB Used: 19.4GB) [Container]
✔️ Storage 'local-lvm' (lvmthin) validated
✔️ Template storage 'local' validated
✔️ Cluster is quorate
✔️ Template search completed
✔️ Template debian-12-standard_12.12-1_amd64.tar.zst [online]
✔️ Template download successful.
✔️ LXC Container 102 was successfully created.
✔️ USB passthrough configured
🎮 Detected Intel GPU
✔️ Automatically configuring INTEL GPU passthrough
✔️ INTEL GPU passthrough configured (2 devices)
✔️ Started LXC Container
✔️ Network in LXC is reachable (ping)
✔️ GPU passthrough configured (video:44, render:104)
✔️ Customized LXC Container
✔️ Set up Container OS
✔️ Network Connected: 192.168.0.161 fd18:816:cdb4:d3e3:be24:11ff:fec0:44b0
✔️ IPv4 Internet Connected
✖️ IPv6 Internet Not Connected
✔️ Git DNS: github.com:(✔️ ) raw.githubusercontent.com:(✔️ ) api.github.com:(✔️ ) git.community-scripts.org:(✔️ )
✔️ Updated Container OS
✔️ Converted APT sources
✔️ Installed Dependencies
✔️ Detected GPU: Intel Corporation AlderLake-S GT1 (rev 0c) (INTEL)
✔️ Intel Gen 9+ GPU configured
✔️ Setup Hardware Acceleration
✔️ Deployed: frigate (0.17.0)
✔️ Built Nginx
✔️ Built SQLite Extensions
✔️ Deployed: go2rtc (1.9.14)
✔️ Installed Tempio
✔️ Deployed: libusb (1.0.26)
✔️ Built libUSB
✔️ Bootstrapped pip
✔️ Installed Python Dependencies
✔️ Built Python Wheels
✔️ Setup Node.js 20
✔️ Downloaded Inference Models
✔️ Downloaded Audio Model
✖️ in line 193: exit code 2 (Misuse of shell builtins (e.g. syntax error))
→ bash /opt/frigate/docker/main/install_deps.sh

--- Last 20 lines of log ---
Unpacking onevpl-tools (2023.1.1-1) ...
Selecting previously unselected package radeontop.
Preparing to unpack .../radeontop_1.4-2_amd64.deb ...
Unpacking radeontop (1.4-2) ...
Setting up libvpl2 (2023.1.1-1) ...
Setting up onevpl-tools (2023.1.1-1) ...
Setting up radeontop (1.4-2) ...
Processing triggers for man-db (2.11.2-2) ...
Processing triggers for libc-bin (2.36-9+deb12u13) ...

• apt-get install -y dpkg
  Reading package lists...
  Building dependency tree...
  Reading state information...
  dpkg is already the newest version (1.21.22).
  0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

• wget -qO - https://repositories.intel.com/gpu/intel-graphics.key

• gpg --yes --dearmor --output /usr/share/keyrings/intel-graphics.gpg
  gpg: no valid OpenPGP data found.
  [2026-03-11 12:01:36] [ERROR] in line 193: exit code 2 (Misuse of shell builtins (e.g. syntax error))
  [2026-03-11 12:01:36] bash /opt/frigate/docker/main/install_deps.sh

  📋 Full log: /root/.install-9df15be1.log

  ✖️ Installation failed in container 102 (exit code: 2)
  📋 Installation log: /tmp/frigate-102-9df15be1.log

  Error: Misuse of shell builtins (e.g. syntax error)

🖼️ Additional context (optional).

No response

[MickLesk]

gpg: no valid OpenPGP data found.

=> Your Network or ISP block the gpg key from https://repositories.intel.com/gpu/intel-graphics.key