1 files changed, 27 insertions, 28 deletions

diff --git a/bin/rcup b/bin/rcup
index be2e4c3..340ab5c 100755
--- a/bin/rcup
+++ b/bin/rcup
@@ -1,29 +1,29 @@
 #!/bin/sh
 
-: ${RCM_LIB:=`dirname $0`/../share/rcm}
-. $RCM_LIB/rcm.sh
+: ${RCM_LIB:=$(dirname "$0")/../share/rcm}
+. "$RCM_LIB/rcm.sh"
 
 link_or_copy() {
   $DEBUG "link_or_copy $1"
-  local sigil=$1
+  local sigil="$1"
 
   if [ "x$sigil" = "xX" ]; then
-    echo $CP
+    echo "$CP"
   else
-    echo $LN
+    echo "$LN"
   fi
 }
 
 link_file() {
   local src="$1"
   local dest="$2"
-  local sigil=$3
+  local sigil="$3"
 
   if [ -h "$dest" ]; then
     $RM -f "$dest"
   fi
 
-  action=`link_or_copy $sigil`
+  action="$(link_or_copy "$sigil")"
   $DEBUG "$action $src $dest"
   $action "$src" "$dest"
 }
@@ -31,17 +31,16 @@ link_file() {
 replace_file() {
   local src="$1"
   local dest="$2"
-  local sigil=$3
+  local sigil="$3"
 
   $DEBUG replace_file "$1" "$2" $3
 
-  $RM -rf $dest
-  link_file "$src" "$dest" $sigil
+  $RM -rf "$dest"
+  link_file "$src" "$dest" "$sigil"
 }
 
 is_nested() {
-  echo $1 | sed "s:$DEST_DIR/::" | grep -q /
-  return $?
+  echo "$1" | sed "s:$DEST_DIR/::" | grep -q '/'
 }
 
 is_identical() {
@@ -51,7 +50,7 @@ is_identical() {
 handle_dir() {
   local dest="$1"
 
-  $DEBUG handle_dir $1
+  $DEBUG "handle_dir $1"
 
   dirname "$dest" | xargs $MKDIR -p
 }
@@ -59,29 +58,29 @@ handle_dir() {
 handle_file() {
   local src="$1"
   local dest="$2"
-  local sigil=$3
+  local sigil="$3"
 
-  $DEBUG handle_file $1 $2 $3
+  $DEBUG "handle_file $1 $2 $3"
 
   if [ -e "$dest" ]; then
     if is_identical "$src" "$dest"; then
       $VERBOSE "identical $dest"
     elif [ $REPLACE_ALL -eq 1 ]; then
-      replace_file "$src" "$dest" $sigil
+      replace_file "$src" "$dest" "$sigil"
     else
       $PROMPT "overwrite ${dest}? [ynaq]"
       read overwrite
-      case $overwrite in
+      case "$overwrite" in
         a) REPLACE_ALL=1
-           replace_file "$src" "$dest" $sigil
+           replace_file "$src" "$dest" "$sigil"
            ;;
-        y) replace_file "$src" "$dest" $sigil ;;
+        y) replace_file "$src" "$dest" "$sigil" ;;
         q) exit 1 ;;
         *) $VERBOSE "skipping $dest" ;;
       esac
     fi
   else
-    link_file "$src" "$dest" $sigil
+    link_file "$src" "$dest" "$sigil"
   fi
 }
 
@@ -128,15 +127,15 @@ handle_command_line() {
   shift $(($OPTIND-1))
 
   if [ $always_copy -eq 1 ]; then
-    LN=$CP
+    LN="$CP"
   fi
 
   handle_common_flags rcup $version $verbosity
 
-  tags=${arg_tags:-$TAGS}
-  DOTFILES_DIRS=${dotfiles_dirs:-$DOTFILES_DIRS}
+  tags="${arg_tags:-$TAGS}"
+  DOTFILES_DIRS="${dotfiles_dirs:-$DOTFILES_DIRS}"
   RUN_HOOKS=$run_hooks
-  files=$@
+  files="$@"
 
   for tag in $tags; do
     LS_ARGS="$LS_ARGS -t $tag"
@@ -160,7 +159,7 @@ handle_command_line() {
 
 LS_ARGS=-F
 
-handle_command_line $*
+handle_command_line $@
 : ${DOTFILES_DIRS:=$DOTFILES_DIRS $DEFAULT_DOTFILES_DIR}
 
 run_hooks pre up
@@ -168,19 +167,19 @@ run_hooks pre up
 saved_ifs=$IFS
 IFS='
 '
-for dest_and_src in `lsrc $LS_ARGS`; do
+for dest_and_src in $(lsrc $LS_ARGS); do
   IFS=:
   set $dest_and_src
   IFS=$saved_ifs
   dest="$1"
   src="$2"
-  sigil=$3
+  sigil="$3"
 
   if is_nested "$dest"; then
     handle_dir "$dest"
   fi
 
-  handle_file "$src" "$dest" $sigil
+  handle_file "$src" "$dest" "$sigil"
 done
 
 run_hooks post up