--- a/lib/update.operations	Tue Mar 20 15:07:03 2012 +0200
+++ b/lib/update.operations	Wed Mar 21 16:45:59 2012 +0200
@@ -42,6 +42,27 @@
     fi
 }
 
+## Update .serial number:
+#
+#   do_update_serial $serial
+#
+# Shows old/new serial on debug.
+function do_update_serial {
+    local serial=$1
+
+    # read
+    local old=$(test -e $ROOT/$serial && cat $ROOT/$serial || echo '')
+
+
+    cmd $BIN/update-serial $ROOT/$serial
+    
+    # read
+    local new=$(cat $ROOT/$serial)
+        
+    debug "  $old -> $new"
+}
+
+
 ## Generate new serial for zone using $BIN/update-serial, if the zone data has changed:
 #
 #   update_serial   $zone   $deps...
@@ -227,18 +248,18 @@
 
 ## Load update zonefiles into bind:
 #
-#   deploy_zones    
+#   reload_zones    
 #
 # Invokes `rndc reload`, showing its output.
-function deploy_zones {
+function reload_zones {
     local msg="Reload zones"
 
-    if [ $DEPLOY_FORCE ]; then
+    if [ $RELOAD_FORCE ]; then
         log_force  "$msg..."
         
         do_reload
 
-    elif [ $DEPLOY_NOOP ]; then
+    elif [ $RELOAD_NOOP ]; then
         log_noop    "$msg: skipped"
     
     elif [ ! -r $RNDC_KEY ]; then
@@ -253,6 +274,17 @@
         do_reload
     fi
 }
+
+## Perform `hg commit` for $DATA
+function do_commit {
+    local msg=$1
+
+    [ $LOG_DIFF ] && indent "    " hg_diff
+
+    hg_commit "$msg"
+}
+
+
 ## Commit changes in $DATA to version control:
 #
 #   commit_data