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|
{
config,
lib,
pkgs,
...
}:
with lib; let
cfg = config.local.environ;
vtmp-sync = pkgs.writeShellScript "vtmp-sync" ''
if [ $# -ne 3 ]; then
echo "usage: $0 <remote hostname> <local hostname> <boot id>" >&2
exit 1
fi
local="$2"
remote="$1"
boot_id="$(echo "$3" | ${pkgs.coreutils}/bin/head -c8)"
rsync="${lib.getExe pkgs.rsync}"
cd "$HOME/vtmp"
mkdir -p "$remote"
declare -a rsync_opts
rsync_opts+=("-glprtxz")
rsync_opts+=("--open-noatime")
rsync_opts+=("--preallocate")
rsync_opts+=("--max-size=1G")
rsync_opts+=("--rsh=${lib.getExe pkgs.openssh} -o BatchMode=yes")
rsync_opts+=("--log-file=$remote/.rsync.log")
rsync_opts+=("--filter=- /$local.$boot_id/")
rsync_opts+=("--filter=- /$remote/")
# Push to $remote from $local
"$rsync" "''${rsync_opts[@]}" -- ./ "$remote:vtmp/$local.$boot_id/"
# Pull from $remote to $local
"$rsync" "''${rsync_opts[@]}" -- "$remote:vtmp/" "./$remote/"
'';
in {
options.local.environ = {
vtmpSyncHost = mkOption {
type = with lib.types; nullOr str;
default = null;
};
};
config = mkMerge [
(mkIf cfg.enable {
systemd.user.tmpfiles.rules = [
"d %t/vtmp 0700"
];
home.file = {
"vtmp".source = config.lib.file.mkOutOfStoreSymlink "/run/user/${toString config.local.uid}/vtmp";
};
gtk.gtk3.bookmarks = [
"file://${config.home.homeDirectory}/vtmp"
"file://${config.home.homeDirectory}/tmp"
];
})
(mkIf (cfg.enable && cfg.vtmpSyncHost != null) {
programs.ssh = {
extraOptionOverrides.PermitLocalCommand = "yes";
matchBlocks.${cfg.vtmpSyncHost}.extraOptions.LocalCommand =
"systemctl --user import-environment SSH_AUTH_SOCK; "
+ "systemctl --user start vtmp-sync.timer";
};
systemd.user = {
targets.vtmp-sync-failure = {
Unit = {
Conflicts = ["vtmp-sync.timer"];
};
};
services.vtmp-sync = {
Unit = {
OnFailure = ["vtmp-sync-failure.target"];
};
Service = {
ExecStart = "${vtmp-sync} ${cfg.vtmpSyncHost} %l %b";
};
};
timers.vtmp-sync = {
Timer = {
OnActiveSec = "15s";
OnUnitInactiveSec = "1h";
};
};
};
})
];
}
|
