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reuse devmode utility from nixos/nixpkgs manuals #788

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Merged
fricklerhandwerk merged 1 commit into from
Apr 9, 2025
Merged

reuse devmode utility from nixos/nixpkgs manuals #788

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46 changes: 4 additions & 42 deletions default.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -74,48 +74,10 @@ let
'';
};

devmode =
let
pythonEnvironment = pkgs.python310.withPackages (ps: with ps; [
livereload
]);
script = ''
from livereload import Server
from subprocess import Popen, PIPE
import shlex
import sys

server = Server()

def nix_build():
p = Popen(
shlex.split("nix-build -A build") + sys.argv[1:],
# capture output as text
stdout=PIPE,
stderr=PIPE,
text=True,
)
# we only care about failures
stdout, stderr = p.communicate()
if p.returncode:
print(stderr)
return p

# (re-)build once before serving
nix_build().wait()

server.watch("source/*", nix_build)
server.watch("source/**/*", nix_build)
server.serve(root="result")
'';
in
pkgs.writeShellApplication {
name = "devmode";
runtimeInputs = [ pythonEnvironment ];
text = ''
python ${pkgs.writeText "live.py" script}
'';
};
devmode = pkgs-unstable.devmode.override {
buildArgs = ''-A build --show-trace'';
open = "/index.html";
};
update-nix-releases = pkgs-unstable.callPackage ./nix/update-nix-releases.nix { };
update-nixpkgs-releases = pkgs-unstable.callPackage ./nix/update-nixpkgs-releases.nix { };
in
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