scripts/fetch in rvm-1.0.1 vs scripts/fetch in rvm-1.0.2

@@ -15,21 +15,21 @@
   if [[ "Darwin" = "$(uname)" ]] || [[ "FreeBSD" = "$(uname)" ]]; then
     archive_md5="$(/sbin/md5 -q "${archive}")"
   else
     archive_md5="$(md5sum "${archive}" | awk '{print $1}')"
   fi
-  $rvm_scripts_path/db "$rvm_config_path/md5" "$archive" "$archive_md5"
+  "$rvm_scripts_path/db" "$rvm_config_path/md5" "$archive" "$archive_md5"
 }
 
 builtin cd "$rvm_archives_path"
 
-if [[ -z "$1" ]] ; then $rvm_scripts_path/log "fail" "BUG: $0 called without an argument :/" ; exit 1 ; fi
+if [[ -z "$1" ]] ; then "$rvm_scripts_path/log" "fail" "BUG: $0 called without an argument :/" ; exit 1 ; fi
 
 url="$1"; download=1 ; package_name="$2"
 
 if ! command -v curl > /dev/null ; then
-  $rvm_scripts_path/log "fail" "rvm requires curl. curl was not found in your active path."
+  "$rvm_scripts_path/log" "fail" "rvm requires curl. curl was not found in your active path."
   exit 1
 elif [[ ! -z ${rvm_proxy} ]] ; then
   fetch_command="curl -x${rvm_proxy} -L --create-dirs -C - " # -s for silent
 else
   fetch_command="curl -L --create-dirs -C - " # -s for silent
@@ -41,26 +41,26 @@
 else
   fetch_command="${fetch_command} -O "
   archive=$(basename "$url")
 fi
 
-if [[ ! -z "$rvm_debug_flag" ]] ; then $rvm_scripts_path/log "debug" "Fetching $archive" ; fi
+if [[ ! -z "$rvm_debug_flag" ]] ; then "$rvm_scripts_path/log" "debug" "Fetching $archive" ; fi
 
 # Check first if we have the correct archive
 archive_md5="$($rvm_scripts_path/db "$rvm_config_path/md5" "$archive" | head -n1)"
 if [[ -e "$archive" ]] && [[ ! -z "$archive_md5" ]] ; then
-  if [[ ! -z "$rvm_debug_flag" ]] ; then $rvm_scripts_path/log "debug" "Found archive and its md5, testing correctness" ; fi
-  if ! $rvm_scripts_path/md5 "${rvm_archives_path}/${archive}" "$archive_md5" ; then
-    if [[ ! -z "$rvm_debug_flag" ]] ; then $rvm_scripts_path/log "debug" "Archive is bad, downloading" ; fi
+  if [[ ! -z "$rvm_debug_flag" ]] ; then "$rvm_scripts_path/log" "debug" "Found archive and its md5, testing correctness" ; fi
+  if ! "$rvm_scripts_path"/md5 "${rvm_archives_path}/${archive}" "$archive_md5" ; then
+    if [[ ! -z "$rvm_debug_flag" ]] ; then "$rvm_scripts_path/log" "debug" "Archive is bad, downloading" ; fi
     download=1
   else
-    if [[ ! -z "$rvm_debug_flag" ]] ; then $rvm_scripts_path/log "debug" "Archive is good, not downloading" ; fi
+    if [[ ! -z "$rvm_debug_flag" ]] ; then "$rvm_scripts_path/log" "debug" "Archive is good, not downloading" ; fi
     download=0
     result=0
   fi ; unset archive_md5
 else
-  if [[ ! -z "$rvm_debug_flag" ]] ; then $rvm_scripts_path/log "debug" "No archive or no MD5, downloading" ; fi
+  if [[ ! -z "$rvm_debug_flag" ]] ; then "$rvm_scripts_path/log" "debug" "No archive or no MD5, downloading" ; fi
   download=1
 fi
 
 # try to convert the ftp url to a http url
 http_url="$(echo $url | sed -e 's/ftp:/http:/' -e 's/git:/http:/')"
@@ -71,39 +71,39 @@
   result=$?
   if [[ $result -gt 0 ]] ; then
     retry=0
     try_http=0
     if [[ $result -eq 78 ]] ; then
-      $rvm_scripts_path/log "error" "The requested url does not exist: '$url'"
+      "$rvm_scripts_path/log" "error" "The requested url does not exist: '$url'"
       try_http=1
     elif [[ $result -eq 18 ]] ; then
-      $rvm_scripts_path/log "error" "Partial file. Only a part of the file was transferred. Removing partial and re-trying."
+      "$rvm_scripts_path/log" "error" "Partial file. Only a part of the file was transferred. Removing partial and re-trying."
       \rm -f "$archive"
       retry=1
     elif [[ $result -eq 33 ]] ; then
-      if [[ ! -z "$rvm_debug_flag" ]] ; then $rvm_scripts_path/log "debug" "Server does not support 'range' command, removing '$archive'" ; fi
+      if [[ ! -z "$rvm_debug_flag" ]] ; then "$rvm_scripts_path/log" "debug" "Server does not support 'range' command, removing '$archive'" ; fi
       \rm -f "$archive"
       retry=1
     else
-      $rvm_scripts_path/log "error" "There was an error, please check $rvm_ruby_log_path/*.error.log. Next we'll try to fetch via http."
+      "$rvm_scripts_path/log" "error" "There was an error, please check $rvm_ruby_log_path/*.error.log. Next we'll try to fetch via http."
       try_http=1
     fi
 
     if [[ $retry -eq 1 ]] ; then
       eval $fetch_command "$url"
       result=$?
       if [[ $result -gt 0 ]] ; then
-        $rvm_scripts_path/log "error" "There was an error, please check $rvm_ruby_log_path/*.error.log"
+        "$rvm_scripts_path/log" "error" "There was an error, please check $rvm_ruby_log_path/*.error.log"
       else
         record_md5
       fi
     fi
 
     if [[ $try_http -eq 1 ]] ; then
       eval $fetch_command "$http_url"
       result=$?
       if [[ $result -gt 0 ]] ; then
-        $rvm_scripts_path/log "error" "There was an error, please check $rvm_ruby_log_path/*.error.log"
+        "$rvm_scripts_path/log" "error" "There was an error, please check $rvm_ruby_log_path/*.error.log"
       else
         record_md5
       fi
     fi