Use constant from jgit

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/LfsBlobStoreCleanFilter.java

@@ -4,6 +4,7 @@ import com.google.common.io.ByteStreams;
 import org.eclipse.jgit.attributes.FilterCommand;
 import org.eclipse.jgit.lfs.LfsPointer;
 import org.eclipse.jgit.lfs.lib.AnyLongObjectId;
+import org.eclipse.jgit.lfs.lib.Constants;
 import org.eclipse.jgit.lfs.lib.LongObjectId;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -17,10 +18,6 @@ import java.io.OutputStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.security.DigestOutputStream;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-
-import static org.eclipse.jgit.lfs.lib.Constants.LONG_HASH_FUNCTION;
 
 /**
  * Adapted version of JGit's {@link org.eclipse.jgit.lfs.CleanFilter} to write the
@@ -75,21 +72,12 @@ class LfsBlobStoreCleanFilter extends FilterCommand {
     }
   }
 
-  // Suppress warning for RuntimeException after check for wrong size, because hash alg for sha256 is built in
-  @SuppressWarnings("squid:S00112")
   private DigestOutputStream createDigestStream() {
-    MessageDigest md ;
-    try {
-      md = MessageDigest.getInstance(LONG_HASH_FUNCTION);
-    } catch (NoSuchAlgorithmException e) {
-      // Yes there is such a hash function (should be sha256)
-      throw new RuntimeException(e);
-    }
     return new DigestOutputStream(new OutputStream() {
       @Override
       public void write(int b) {
         // no further target here, we are just interested in the digest
       }
-    }, md);
+    }, Constants.newMessageDigest());
   }
 }