$ git clone -n https://src.fedoraproject.org/rpms/test-interface.git /var/lib/mock/f39-build-1560340-37337/root/chroot_tmpdir/scmroot/test-interface
Cloning into '/var/lib/mock/f39-build-1560340-37337/root/chroot_tmpdir/scmroot/test-interface'...
$ git fetch origin eb5bfcd89ba3f8c408b35043644ed92a3886ffe1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/test-interface
 * [new ref]         eb5bfcd89ba3f8c408b35043644ed92a3886ffe1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb5bfcd Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild