$ git clone -n https://src.fedoraproject.org/rpms/jboss-parent.git /var/lib/mock/f40-build-2132914-50812/root/chroot_tmpdir/scmroot/jboss-parent
Cloning into '/var/lib/mock/f40-build-2132914-50812/root/chroot_tmpdir/scmroot/jboss-parent'...
$ git fetch origin b77390064c7ec16c5f3cd0bb9f5e2d5d891694f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jboss-parent
 * [new ref]         b77390064c7ec16c5f3cd0bb9f5e2d5d891694f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b773900 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild