-b|--browser*|-t|--tool*)
case "$#,$1" in
*,*=*)
- browser=`expr "z$1" : 'z-[^=]*=\(.*\)'`
+ browser=$(expr "z$1" : 'z-[^=]*=\(.*\)')
;;
1,*)
usage ;;
-c|--config*)
case "$#,$1" in
*,*=*)
- conf=`expr "z$1" : 'z-[^=]*=\(.*\)'`
+ conf=$(expr "z$1" : 'z-[^=]*=\(.*\)')
;;
1,*)
usage ;;
for opt in "$conf" "web.browser"
do
test -z "$opt" && continue
- browser="`git config $opt`"
+ browser="$(git config $opt)"
test -z "$browser" || break
done
if test -n "$browser" && ! valid_tool "$browser"; then