$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_tac.git /var/lib/mock/f41-build-818902-151328/root/chroot_tmpdir/scmroot/rust-uu_tac
Cloning into '/var/lib/mock/f41-build-818902-151328/root/chroot_tmpdir/scmroot/rust-uu_tac'...
$ git fetch origin 5acb20ffb3f49cd7389b35b0fd3d0e1463c1fb10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_tac
 * [new ref]         5acb20ffb3f49cd7389b35b0fd3d0e1463c1fb10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5acb20f Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild