Merge pull request #245 from DrDaveD/singularity6378

Ignore prelease part of go version

mlocal/scripts/check-min-go-version

@@ -17,6 +17,11 @@ if [ "$GOMINOR" = "$GOPATCH" ]; then
 else
     GOMINOR="${GOMINOR/.*}"
 fi
+# ignore GO pre-release extensions
+if ! [[ "$GOMINOR" =~ ^[0-9]$ ]]; then
+    # shellcheck disable=SC2001
+    GOMINOR="$(echo "$GOMINOR"|sed 's/^\([0-9]*\).*/\1/')"
+fi
 
 MINVERSION="$2"
 MINMAJOR="${MINVERSION/.*}"
@@ -28,16 +33,16 @@ else
     MINMINOR="${MINMINOR/.*}"
 fi
 
-if [ $GOMAJOR -lt $MINMAJOR ]; then
+if [ "$GOMAJOR" -lt "$MINMAJOR" ]; then
     exit 1
 fi
-if [ $GOMAJOR -gt $MINMAJOR ]; then
+if [ "$GOMAJOR" -gt "$MINMAJOR" ]; then
     exit 0
 fi
-if [ $GOMINOR -lt $MINMINOR ]; then
+if [ "$GOMINOR" -lt "$MINMINOR" ]; then
     exit 1
 fi
-if [ $GOMINOR -gt $MINMINOR ]; then
+if [ "$GOMINOR" -gt "$MINMINOR" ]; then
     exit 0
 fi
 if [ -z "$MINPATCH" ]; then
@@ -46,7 +51,7 @@ fi
 if [ -z "$GOPATCH" ]; then
     exit 1
 fi
-if [ $GOPATCH -lt $MINPATCH ]; then
+if [ "$GOPATCH" -lt "$MINPATCH" ]; then
     exit 1
 fi
 exit 0