Index: os-prober-1.58/common.sh
===================================================================
--- os-prober-1.58.orig/common.sh
+++ os-prober-1.58/common.sh
@@ -76,7 +76,9 @@ warn() {
 }
 
 debug() {
-  log "debug: $@"
+  if [ -z "$OS_PROBER_DISABLE_DEBUG" ]; then
+    log "debug: $@" 
+  fi
 }
 
 result () {
Index: os-prober-1.58/os-probes/mounted/powerpc/20macosx
===================================================================
--- os-prober-1.58.orig/os-probes/mounted/powerpc/20macosx
+++ os-prober-1.58/os-probes/mounted/powerpc/20macosx
@@ -7,7 +7,9 @@ mpoint="$2"
 type="$3"
 
 debug() {
-  logger -t macosx-prober "debug: $@"
+  if [ -z "$OS_PROBER_DISABLE_DEBUG" ]; then
+    logger -t macosx-prober "debug: $@"
+  fi
 }
 
 # Weed out stuff that doesn't apply to us