Tweaked mkdevbranch to take and optional extra message chunk.

- Legacy-Id: 15958

bin/mkdevbranch

@@ -78,11 +78,12 @@ trap 'echo "$program($LINENO): Command failed with error code $? ([$$] $0 $*)";
 # Option parsing
 
 # Options
-shortopts=hnvV
-longopts=help,verbose,number,version
+shortopts=hm:M:vV
+longopts=help,meeting=,message=,verbose,version
 
 # Default values
 num=""
+msg=""
 
 if   [ "$(uname)" = "Linux" ]; then
     args=$(getopt -o "$shortopts" --long "$longopts" -n '$program' -- $SV "$@")
@@ -101,6 +102,7 @@ while true ; do
     case "$1" in
 	-h| --help)	usage; exit;;		# Show this help, then exit
 	-m| --meeting)	num=$2; shift;;		# Specify the IETF meeting number
+	-M| --message)	msg=$2; shift;;		# Specify extra message text
 	-v| --verbose)	VERBOSE=1;;		# Be more talkative
 	-V| --version)	version; exit;;		# Show program version, then exit
 	--)		shift; break;;
@@ -144,6 +146,9 @@ if [ "$who" ]; then
     svn cp https://svn.tools.ietf.org/svn/tools/ietfdb/$source https://svn.tools.ietf.org/svn/tools/ietfdb/personal/$who/$target/ -m "New branch for $target"
     echo "New branch: ^/personal/$who/$target"
 else
+    [ "$msg" ] && msg="
+$msg
+"
     [ "$num" ] || num=$( < /www/tools.ietf.org/meta/current-ietf-number.txt)
     for n in $(seq $((num-3)) $num); do
 	trac-admin /www/tools.ietf.org/tools/ietfdb wiki export IETF${n}SprintSignUp	\
@@ -170,7 +175,7 @@ for line in sys.stdin:
 	    svn cp https://svn.tools.ietf.org/svn/tools/ietfdb/$source https://svn.tools.ietf.org/svn/tools/ietfdb/personal/$login/$target/ -m "New IETF datatracker coding branch for $name"	\
 	    && mail "$name <$email>" -s "A new SVN branch for you for IETF datatracker coding${rev:+, based on $rev}." -b henrik@levkowetz.com <<-EOF
 		Hi,
-
+                $msg
 		This mail has been automatically generated by the $program script.
 
 		A new SVN branch has been set up for you for IETF datatracker coding, at