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Rework colorsync file-watching using fswatch instead of watchman

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This commit is contained in:
Martin Larsson 2025-08-28 23:00:23 +02:00
parent f74c830e88
commit de289309f7
5 changed files with 72 additions and 85 deletions
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64
nix/utils.nix
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@ -47,7 +47,7 @@ rec {
done
'';
mkWatchmanTrigger =
mkFswatchService =
{
pkgs,
lib,
@ -56,51 +56,55 @@ rec {
isDarwin,
name,
triggerName,
scriptPath,
root ? "$HOME/.local/state/colorsync",
description ? "Register watchman trigger for ${name}.",
watchExpr ? "current",
root,
description ? "Register ${name}.",
}:
let
serviceName = "${name}-watchman";
# e.g. tmux-watchman-statuscolor, ghostty-watchman-theme
binName =
let
trig = lib.replaceStrings [ "_" ] [ "-" ] triggerName;
in
"${serviceName}-${trig}";
scriptPkg = pkgs.writeShellScriptBin binName ''
scriptPkg = pkgs.writeShellScriptBin "${name}" ''
set -euo pipefail
ROOT="${root}"
TRIGGER_NAME="${triggerName}"
SCRIPT="${scriptPath}"
WATCHMAN="${pkgs.watchman}/bin/watchman"
FSWATCH="${pkgs.fswatch}/bin/fswatch"
"$WATCHMAN" -- watch-project "$ROOT" >/dev/null
"$WATCHMAN" -- trigger-del "$ROOT" "$TRIGGER_NAME" >/dev/null 2>&1 || true
"$WATCHMAN" -- trigger "$ROOT" "$TRIGGER_NAME" ${watchExpr} -- bash "$SCRIPT"
echo root:"$ROOT"
echo script:"$SCRIPT"
echo fswatch:"$FSWATCH"
echo home:"$HOME"
"$FSWATCH" --latency=0.2 -o "$ROOT" | xargs -n1 "$SCRIPT"
'';
pathForService = lib.makeBinPath [
pkgs.watchman
baseBinPath = lib.makeBinPath [
pkgs.findutils
pkgs.fswatch
pkgs.bash
pkgs.coreutils
];
pathForService = lib.concatStringsSep ":" [
baseBinPath
"${config.home.profileDirectory}/bin"
"/etc/profiles/per-user/${config.home.username}/bin"
"/opt/homebrew/bin"
"/usr/local/bin"
"/usr/bin"
"/bin"
];
linuxAttrs = lib.optionalAttrs isLinux {
systemd.user.startServices = "sd-switch";
systemd.user.services."${serviceName}" = {
systemd.user.services."${name}" = {
Unit = {
Description = description;
After = [ "graphical-session.target" ];
};
Service = {
Type = "oneshot";
ExecStart = "${scriptPkg}/bin/${binName}";
Type = "simple";
Restart = "always";
RestartSec = "5s";
ExecStart = "${scriptPkg}/bin/${name}";
Environment = [ "PATH=${pathForService}" ];
StandardOutput = "journal";
StandardError = "journal";
@ -112,17 +116,17 @@ rec {
};
darwinAttrs = lib.optionalAttrs isDarwin {
launchd.agents."${serviceName}" = {
launchd.agents."${name}" = {
enable = true;
config = {
ProgramArguments = [ "${scriptPkg}/bin/${binName}" ];
ProgramArguments = [ "${scriptPkg}/bin/${name}" ];
RunAtLoad = true;
KeepAlive = false;
KeepAlive = true;
EnvironmentVariables = {
PATH = pathForService;
};
StandardOutPath = "${config.home.homeDirectory}/Library/Logs/${serviceName}.log";
StandardErrorPath = "${config.home.homeDirectory}/Library/Logs/${serviceName}.err";
StandardOutPath = "${config.home.homeDirectory}/Library/Logs/${name}.log";
StandardErrorPath = "${config.home.homeDirectory}/Library/Logs/${name}.err";
};
};
};