Changed tactics. Sed's -i flag is not cross-platform.

conf/type/__key_value/gencode-remote

@@ -34,8 +34,7 @@ fi
 case "$state_should" in
    absent)
       # remove lines starting with key
-      echo "sed -i cdist-backup '/^$key\($delimiter\+\)/d' \"$file\""
-      echo "rm -f \"$file.cdist-backup\""
+      echo "sed '/^$key\($delimiter\+\)/d' \"$file\" | tee \"$file\" > /dev/null"
    ;;
    present)
       case "$state_is" in
@@ -45,8 +44,7 @@ case "$state_should" in
          ;;
          wrongvalue)
             # change exisiting value
-            echo "sed -i cdist-backup \"s|^$key\($delimiter\+\).*|$key\1$value|\" \"$file\""
-            echo "rm -f \"$file.cdist-backup\""
+            echo "sed \"s|^$key\($delimiter\+\).*|$key\1$value|\" \"$file\" | tee \"$file\" > /dev/null"
          ;;
          *)
             echo "Unknown explorer state: $state_is" >&2

conf/type/__rvm/gencode-remote

@@ -32,8 +32,7 @@ DONE
       removed)
          cat << DONE
 su - $user -c "rm -Rf \"\\\$HOME/.rvm\";
-sed -i cdist-backup '/rvm\/scripts\/rvm/d' \"\\\$HOME/.bashrc\""
-rm -f \"\\\$HOME/.bashrc.cdist-backup\""
+sed '/rvm\/scripts\/rvm/d' \"\\\$HOME/.bashrc\" | tee \"\\\$HOME/.bashrc\" > /dev/null"
 DONE
       ;;
    esac

conf/type/__start_on_boot/gencode-remote

@@ -32,8 +32,7 @@ case "$state_should" in
     present)
         case "$os" in
             archlinux)
-                echo "sed -i cdist-backup 's/^\\(DAEMONS=.*\\))/\\1 $name)/' /etc/rc.conf"
-		echo "rm -f /etc/rc.conf.cdist-backup"
+                echo "sed 's/^\\(DAEMONS=.*\\))/\\1 $name)/' /etc/rc.conf | tee /etc/rc.conf > /dev/null"
             ;;
             debian|ubuntu)
                 echo "update-rc.d \"$name\" defaults >/dev/null"
@@ -67,8 +66,7 @@ case "$state_should" in
             archlinux)
                 # Replace a) at the beginning b) in the middle c) end d) only
                 # Support @name as well...makes it more ugly, but well...
-                echo "sed -i cdist-backup /etc/rc.conf -e 's/^\\(DAEMONS=(\\)@\\{0,1\\}$name /\\1/' -e 's/^\\(DAEMONS=(.* \\)@\\{0,1\\}$name \\(.*\\)/\\1\\2/' -e 's/^\\(DAEMONS=(.*\\) @\\{0,1\\}$name)/\\1)/' -e 's/^\\(DAEMONS=(\\)@\\{0,1\\}$name)/\\1)/'"
-		echo "rm -f /etc/rc.conf.cdist-backup"
+                echo "sed /etc/rc.conf -e 's/^\\(DAEMONS=(\\)@\\{0,1\\}$name /\\1/' -e 's/^\\(DAEMONS=(.* \\)@\\{0,1\\}$name \\(.*\\)/\\1\\2/' -e 's/^\\(DAEMONS=(.*\\) @\\{0,1\\}$name)/\\1)/' -e 's/^\\(DAEMONS=(\\)@\\{0,1\\}$name)/\\1)/' | tee /etc/rc.conf > /dev/null"
             ;;
             debian|ubuntu)
                 echo update-rc.d -f \"$name\" remove