distcc: minor improvements to post-install and post-remove

distcc/post-install

@@ -1,5 +1,7 @@
 #!/usr/bin/env sh
 DIRECTORY='/usr/lib/distcc'
+SYMLINKS='cc c++ gcc g++'
+unset NOT_INSTALLED
 if [ ! -d "$DIRECTORY" ]; then
 	if [ -w '/usr/lib' ]; then
 		install -d "$DIRECTORY"
@@ -8,21 +10,30 @@ if [ ! -d "$DIRECTORY" ]; then
 		else
 			echo "post-install: '$DIRECTORY' created."
 		fi
-		pushd "$DIRECTORY"
-		for c in cc c++ gcc g++; do
-			if [ ! -e $c ]; then
-				ln -s ../../bin/distcc $c
+		cd "$DIRECTORY"
+		for c in $SYMLINKS; do
+				if [ ! -e "$DIRECTORY/$c" ]; then
+					NOT_INSTALLED='yes'
+				fi
+			done
+			if [ "$NOT_INSTALLED" ]; then
+				echo "post-install: in directory '$DIRECTORY'."
+			fi
+		for c in $SYMLINKS; do
+			if [ ! -e "$DIRECTORY/$c" ]; then
+				ln -s '../../bin/distcc' "$c"
 				if [ $? -gt 0 ]; then
-					echo "post-install: error creating symlink '../../bin/distcc $c'."
+					echo "post-install: error creating symlink '../../bin/distcc -> $c'."
 					exit 1
 				else
-					echo "post-install: create symlink '../../bin/distcc $c'."
+					echo "post-install: create symlink '../../bin/distcc -> $c'."
 				fi
 			fi
 		done
-		popd
+		cd - > /dev/null
 	else
-		echo "Error: no permission to write to '/usr/lib'."
+		echo "post-install: error no permission to create symlinks in '$DIRECTORY'."
 	fi
 fi
+unset NOT_INSTALLED SYMLINKS DIRECTORY
 # End of file

distcc/post-remove

@@ -12,4 +12,5 @@ if [ -d "$DIRECTORY" ]; then
 		echo "post-remove: error no permission to remove '$DIRECTORY'."
 	fi
 fi
+unset DIRECTORY
 # End of file