uvms/pkgs/mkSystemdDropin.nix

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{
lib,
runCommand,
writeShellScriptBin,
}:
{
name,
prefix ? "10-all-",
dirs ? [
"service"
"mount"
"socket"
"timer"
"target"
],
dropinText ? null,
extraCommands ? "",
...
}@args:
runCommand "${name}-dropin"
(
lib.removeAttrs args [
"name"
]
// {
inherit dirs dropinText extraCommands;
}
)
''
set -euo pipefail
root=$out/lib/systemd/system
for dir in $dirs ; do
mkdir -p "$root/$dir".d
printf "%s" "$dropinText" > "$root/$dir.d/${prefix}${name}.conf"
done
runHook extraCommands
''