$ git clone -n https://src.fedoraproject.org/rpms/perl-CDB_File.git /var/lib/mock/f31-build-68785-30230/root/chroot_tmpdir/scmroot/perl-CDB_File
Cloning into '/var/lib/mock/f31-build-68785-30230/root/chroot_tmpdir/scmroot/perl-CDB_File'...
$ git reset --hard 2b16ac2891b72352543724bf02dcfdf9a5361b36
HEAD is now at 2b16ac2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild