$ git clone -n https://src.fedoraproject.org/rpms/rust-mockall_derive.git /var/lib/mock/f39-build-1495562-34544/root/chroot_tmpdir/scmroot/rust-mockall_derive
Cloning into '/var/lib/mock/f39-build-1495562-34544/root/chroot_tmpdir/scmroot/rust-mockall_derive'...
$ git fetch origin 55ff642edae89d46f696d9efcf2827e341dc04d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-mockall_derive
 * [new ref]         55ff642edae89d46f696d9efcf2827e341dc04d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55ff642 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild