go_check and go_update: -b branch(=develop) and -r run(=1296) defaults

Moreover, only update downloaded files if changed upstream.

Tests/go_check.sh

@@ -1,17 +1,16 @@
 #!/bin/bash
 
 function usage() {
-  echo "Usage: $0 [-h] [-r run]"
+  echo "Usage: $0 [-h] [-r run=1296] [-b branch=develop]"
 }
 
-if [ $# -lt 2 ] ; then
-  usage
-fi
-
-while getopts “:h:r:” opt; do
+run=1296
+branch=develop
+while getopts “:h:r:g:” opt; do
   case $opt in
     h) usage && exit ;;
     r) run=$OPTARG ;;
+    b) branch=$OPTARG ;;
     *) usage && exit ;;
   esac
 done
@@ -27,6 +26,6 @@ fi
 make -C build && build/qwparity -c prex.conf -r $run -e :2k
 
 if [ ! -f prexALL_${run}.root ] ; then
-  wget http://hallaweb.jlab.org/12GeV/Moller/downloads/japan/develop/prexALL_${run}.root
+  wget -c -N http://hallaweb.jlab.org/12GeV/Moller/downloads/japan/${branch}/prexALL_${run}.root
 fi
 root-diff -k evt,mul prexALL_${run}.root ${QW_ROOTFILES}/prexALL_${run}.root

Tests/go_update.sh

@@ -1,13 +1,14 @@
 #!/bin/bash
 
 function usage() {
-  echo "Usage: $0 [-h] [-r run]"
+  echo "Usage: $0 [-h] [-r run=1296]"
 }
 
 if [ $# -lt 2 ] ; then
   usage
 fi
 
+run=1296
 while getopts “:h:r:” opt; do
   case $opt in
     h) usage && exit ;;