scripts/check_requirement: match one or more digits (#569)

Author: overvenus

scripts/check_requirement.sh

@@ -92,8 +92,8 @@ fi
 # Check go
 if which go &>/dev/null; then
     # requires go >= 1.8
-    GO_VER_1=`go version | awk 'match($0, /([0-9])+(\.[0-9])+/) { ver = substr($0, RSTART, RLENGTH); split(ver, n, "."); print n[1];}'`
-    GO_VER_2=`go version | awk 'match($0, /([0-9])+(\.[0-9])+/) { ver = substr($0, RSTART, RLENGTH); split(ver, n, "."); print n[2];}'`
+    GO_VER_1=`go version | awk 'match($0, /([0-9])+(\.[0-9]+)+/) { ver = substr($0, RSTART, RLENGTH); split(ver, n, "."); print n[1];}'`
+    GO_VER_2=`go version | awk 'match($0, /([0-9])+(\.[0-9]+)+/) { ver = substr($0, RSTART, RLENGTH); split(ver, n, "."); print n[2];}'`
     if [[ (($GO_VER_1 -eq 1 && $GO_VER_2 -lt 10)) || (($GO_VER_1 -lt 1)) ]]; then
         echo "Please upgrade Go to 1.10 or later."
         exit 1