Nix / Build Package From Flake With Logs
Build Package From Flake With Logs
Nix command syntax to build package from flake with logs. Copyable examples, output expectations, and common mistakes.
$
Terminal nix build -L <.#pkg> nix build -L <.#pkg> #!/bin/bash
# Build Package From Flake With Logs
nix build {{[-L|--print-build-logs]}} {{.#pkg}} import subprocess
# Build Package From Flake With Logs
# Make sure to replace <placeholders> with actual values
def run_command():
cmd = [
"nix",
"build",
"-L",
"<.#pkg>"
]
try:
print(f"Executing: {' '.join(cmd)}")
subprocess.run(cmd, check=True)
except subprocess.CalledProcessError as e:
print(f"Error: {e}")
except FileNotFoundError:
print("Error: nix not found. Please install it first.")
if __name__ == "__main__":
run_command() Command Breakdown
What each part is doing
-
nix - Base Command
- The executable that performs this operation. Here it runs Nix before the shell applies any redirect operators.
-
-L - L| print build logs
- The value supplied for L| print build logs.
-
<.#pkg> - .#pkg
- The value supplied for .#pkg.
-
-L - Command Option
- Tool-specific option used by this command invocation.
Alternative Approaches
Comparable commands in other tools
Alternative build tools tools for the same job.