fetch in rvm-0.1.42

- old
+ new

@@ -1,10 +1,17 @@
 #!/usr/bin/env bash
 
 rvm_base_except="selector"
 source "$rvm_scripts_path/base"
 
+# Set it to cleanup the download on interruption.
+trap 'cleanup_download' 1 2 3 15
+
+cleanup_download() {
+  [[ -f "$archive" ]] && rm -rf "$archive"
+}
+
 record_md5() {
   if [[ "Darwin" = "$(uname)" ]] || [[ "FreeBSD" = "$(uname)" ]]; then
     archive_md5="$(/sbin/md5 -q "${archive}")"
   else
     archive_md5="$(md5sum "${archive}" | awk '{print $1}')"
@@ -36,11 +43,11 @@
 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")"
+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
     download=1
@@ -85,7 +92,6 @@
     fi
   else
     record_md5
   fi
 fi
-
 exit $result