git-pull.sh: use the $( ... ) construct for command substitution

diff --git a/git-pull.sh b/git-pull.sh
index 6cd8ebc534c174dfe613f62047424dc7491d75fa..cfc589dc15061c8ed1797c2d91ec420b1d6f33fe 100755 (executable)
--- a/git-pull.sh
+++ b/git-pull.sh
@@ -108,7 +108,7 @@ do
        -s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy)
                case "$#,$1" in
                *,*=*)
-                       strategy=`expr "z$1" : 'z-[^=]*=\(.*\)'` ;;
+                       strategy=$(expr "z$1" : 'z-[^=]*=\(.*\)') ;;
                1,*)
                        usage ;;
                *)