crypt/parse-crypt.sh: fixed rule creation

"\n" was missing
create rules file on tmp file and rename it later

modules.d/90crypt/parse-crypt.sh

@@ -8,7 +8,7 @@ else
     {
         echo 'SUBSYSTEM!="block", GOTO="luks_end"'
         echo 'ACTION!="add|change", GOTO="luks_end"'
-    } > /etc/udev/rules.d/70-luks.rules
+    } > /etc/udev/rules.d/70-luks.rules.new
 
     LUKS=$(getargs rd.luks.uuid rd_LUKS_UUID)
 
@@ -21,7 +21,7 @@ else
                 printf -- 'RUN+="%s --unique --onetime ' $(command -v initqueue)
                 printf -- '--name cryptroot-ask-%%k %s ' $(command -v cryptroot-ask)
                 printf -- '$env{DEVNAME} luks-$env{ID_FS_UUID}"\n'
-            } >> /etc/udev/rules.d/70-luks.rules
+            } >> /etc/udev/rules.d/70-luks.rules.new
 
             printf -- '[ -e /dev/disk/by-uuid/*%s* ]\n' $luksid \
                 >> $hookdir/initqueue/finished/90-crypt.sh
@@ -31,12 +31,13 @@ else
             } >> $hookdir/emergency/90-crypt.sh
         done
     else
-        printf -- 'ENV{ID_FS_TYPE}=="crypto_LUKS", RUN+="%s' \
-            '--unique --onetime --name cryptroot-ask-%k' \
-            '%s $env{DEVNAME} luks-$env{ID_FS_UUID}"' \
-            $(command -v initqueue) $(command -v cryptroot-ask) \
-            >> /etc/udev/rules.d/70-luks.rules
+        {
+            printf -- 'ENV{ID_FS_TYPE}=="crypto_LUKS", RUN+="%s ' $(command -v initqueue)
+            printf -- '--unique --onetime --name cryptroot-ask-%%k '
+            printf -- '%s $env{DEVNAME} luks-$env{ID_FS_UUID}"\n' $(command -v cryptroot-ask) 
+        } >> /etc/udev/rules.d/70-luks.rules.new
     fi
 
-    echo 'LABEL="luks_end"' >> /etc/udev/rules.d/70-luks.rules
+    echo 'LABEL="luks_end"' >> /etc/udev/rules.d/70-luks.rules.new
+    mv /etc/udev/rules.d/70-luks.rules.new /etc/udev/rules.d/70-luks.rules
 fi