···

       
203
       
203
       
 
       
    ];

     

       
204
       
204
       
 
       


     

       
205
       
205
       
 
       
    # Create missing swapfiles.

     

       
206
       
206
       
-
       
    # FIXME: support changing the size of existing swapfiles.

     

       
207
       
206
       
 
       
    systemd.services =

     

       
208
       
207
       
 
       
      let

     

       
209
       
208
       
 
       


     
···

       
223
       
222
       
 
       
                ${optionalString (sw.size != null) ''

     

       
224
       
223
       
 
       
                  currentSize=$(( $(stat -c "%s" "${sw.device}" 2>/dev/null || echo 0) / 1024 / 1024 ))

     

       
225
       
224
       
 
       
                  if [ "${toString sw.size}" != "$currentSize" ]; then

     

       
226
       
226
       
-
       
                    fallocate -l ${toString sw.size}M "${sw.device}" ||

     

       
227
       
227
       
-
       
                      dd if=/dev/zero of="${sw.device}" bs=1M count=${toString sw.size}

     

       
228
       
228
       
-
       
                    if [ "${toString sw.size}" -lt "$currentSize" ]; then

     

       
229
       
229
       
-
       
                      truncate --size "${toString sw.size}M" "${sw.device}"

     

       
230
       
230
       
-
       
                    fi

     

       
225
       
225
       
+
       
                    dd if=/dev/zero of="${sw.device}" bs=1M count=${toString sw.size}

     

       
231
       
226
       
 
       
                    chmod 0600 ${sw.device}

     

       
232
       
227
       
 
       
                    ${optionalString (!sw.randomEncryption.enable) "mkswap ${sw.realDevice}"}

     

       
233
       
228
       
 
       
                  fi