$ git clone -n https://src.fedoraproject.org/rpms/mod_authnz_external.git /var/lib/mock/f40-build-2011710-45735/root/chroot_tmpdir/scmroot/mod_authnz_external
Cloning into '/var/lib/mock/f40-build-2011710-45735/root/chroot_tmpdir/scmroot/mod_authnz_external'...
$ git fetch origin 950075bdecb83ebbe6644d36c1660a3153a1ac31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mod_authnz_external
 * [new ref]         950075bdecb83ebbe6644d36c1660a3153a1ac31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 950075b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild