hgeditor: hide checksum mismatch message from md5sum

hgeditor

@@ -1,57 +1,57 b''
 #!/bin/sh
 #
 # This is an example of using HGEDITOR to automate the signing of
 # commits and so on.
 
 # change this to one to turn on GPG support
 SIGN=0
 
 T1=""; T2=""
 cleanup_exit() {
     rm -f "$T1" "$T2"
     exit $1
 }
 
 # If you want to pass your favourite editor some other parameters
 # only for Mercurial, modify this:
 case "${EDITOR:=vi}" in
     emacs)
         EDITOR="$EDITOR -nw"
         ;;
     gvim|vim)
         EDITOR="$EDITOR -f -o"
         ;;
 esac
 
 # Remove temporary files even if we get interrupted
 trap "cleanup_exit 255" TERM KILL INT QUIT ABRT
 T1=`mktemp`; T2=`mktemp`
 (
     cd "`hg root`"
     grep '^HG: changed' "$1" | cut -b 13- | while read changed; do
         hg diff "$changed" >> "$T2"
     done
 )
 
 echo > "$T1"
 if [ "$SIGN" == "1" ]; then
     MANIFEST=`grep '^HG: manifest hash' "$1" | cut -b 19-`
     echo -e "\nmanifest hash: $MANIFEST" >> "$T1"
 fi
 grep -vE '^(HG: manifest hash .*)?$' "$1" >> "$T1"
 
 CHECKSUM=`md5sum "$T1"`
 $EDITOR "$T1" "$T2" || cleanup_exit $?
-echo "$CHECKSUM" | md5sum -c 2>/dev/null && cleanup_exit 13
+echo "$CHECKSUM" | md5sum -c >/dev/null 2>&1 && cleanup_exit 13
 
 if [ "$SIGN" == "1" ]; then
     {
         head -n 1 "$T1"
         echo
         grep -v "^HG:" "$T1" | gpg -t -a -u "${HGUSER}" --clearsign
     } > "$T2" && mv "$T2" "$1"
 else
     mv "$T1" "$1"
 fi
 
 cleanup_exit $?