pyrox.dev
Use environment.etc to manage /etc/crontab
Otherwise, /etc/crontab won't be deleted when cron is disabled.
+12
-7
nixos/modules/services/scheduling/cron.nix
+12
-7
nixos/modules/services/scheduling/cron.nix
···
91
91
92
92
config = mkMerge [
93
93
94
-
{ services.cron.enable = mkDefault (allFiles != []);
95
-
96
-
}
94
+
{ services.cron.enable = mkDefault (allFiles != []); }
97
95
98
96
(mkIf (config.services.cron.enable && allFiles != []) {
99
97
···
101
99
102
100
environment.systemPackages = [ cronNixosPkg ];
103
101
102
+
environment.etc.crontab =
103
+
{ source = pkgs.runCommand "crontabs" { inherit allFiles; }
104
+
''
105
+
touch $out
106
+
for i in $allFiles; do
107
+
cat "$i" >> $out
108
+
done
109
+
'';
110
+
mode = "0600"; # Cron requires this.
111
+
};
112
+
104
113
systemd.services.cron =
105
114
{ description = "Cron Daemon";
106
115
···
108
117
109
118
preStart =
110
119
''
111
-
rm -f /etc/crontab
112
-
cat ${concatMapStrings (f: "\"${f}\" ") allFiles} > /etc/crontab
113
-
chmod 0600 /etc/crontab
114
-
115
120
mkdir -m 710 -p /var/cron
116
121
117
122
# By default, allow all users to create a crontab. This