$ git clone -n https://src.fedoraproject.org/rpms/generic-release.git /var/lib/mock/f38-build-side-42-init-devel-534147-25709/root/chroot_tmpdir/scmroot/generic-release
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-534147-25709/root/chroot_tmpdir/scmroot/generic-release'...
$ git reset --hard df1f9efc1c5e78f060767fea016107940e0d4b70
HEAD is now at df1f9ef bump to 38 for rawhide ... actually, be clever about it and use %%fedora