get version from tag

Author: eriknw

suitesparse.sh

@@ -1,14 +1,13 @@
 #!/bin/bash
 
 # parse SuiteSparse version from first argument, a git tag that ends in the version (no leading v)
-#if [[ $1 =~ refs/tags/([0-9]*\.[0-9]*\.[0-9]*)\..*$ ]];
-#then
-#    VERSION=${BASH_REMATCH[1]}
-#else
-#    echo "Specify a SuiteSparse version, such as: $0 refs/tags/7.4.3.0"
-#    exit -1
-#fi
-VERSION=7.4.3
+if [[ $1 =~ refs/tags/([0-9]*\.[0-9]*\.[0-9]*)\..*$ ]];
+then
+    VERSION=${BASH_REMATCH[1]}
+else
+    echo "Specify a SuiteSparse version, such as: $0 refs/tags/7.4.3.0"
+    exit -1
+fi
 echo VERSION: $VERSION
 
 NPROC="$(nproc)"