Use absolute paths for processing and display.

This resolves a bug where a directory named like “-h” would result in
‘find’ erroring out about unknown predicates, but also had potential
security implications with constructing directory names to make ‘find’
run any command desired.

Author: chungy

reflac

@@ -115,18 +115,21 @@ fi
 
 for dir do
     if [ $RECURSIVE -eq 1 ] && [ $NOACTION -eq 1 ]; then
-        find "$dir" -type d -exec "$SELF" -nv {} \;
+        find "$(readlink -f -- "$dir")" -type d -execdir "$SELF" -nv {} \;
     elif [ $RECURSIVE -eq 1 ]; then
         if [ $VERBOSE -eq 1 ]; then
-            find "$dir" -type d -exec "$SELF" -v -"$FLAC_LEVEL" {} \;
+            find "$(readlink -f -- "$dir")" -type d \
+                 -execdir "$SELF" -v -"$FLAC_LEVEL" {} \;
         elif [ $VERBOSE -ge 2 ]; then
-            find "$dir" -type d -exec "$SELF" -vv -"$FLAC_LEVEL" {} \;
+            find "$(readlink -f -- "$dir")" -type d \
+                 -execdir "$SELF" -vv -"$FLAC_LEVEL" {} \;
         else
-            find "$dir" -type d -exec "$SELF" -"$FLAC_LEVEL" {} \;
+            find "$(readlink -f -- "$dir")" -type d \
+                 -execdir "$SELF" -"$FLAC_LEVEL" {} \;
         fi
     else
         cd -- "$dir"
-        if [ $VERBOSE -gt 0 ]; then echo "$dir"; fi
+        if [ $VERBOSE -gt 0 ]; then echo "$(readlink -f .)"; fi
         if [ ! -z "$(ls -- *.flac 2>/dev/null)" ]; then
             recompress
         fi