$ git clone -n https://src.fedoraproject.org/rpms/rust-streebog0.9.git /var/lib/mock/f45-build-45207-821/root/chroot_tmpdir/scmroot/rust-streebog0.9
Cloning into '/var/lib/mock/f45-build-45207-821/root/chroot_tmpdir/scmroot/rust-streebog0.9'...
$ git fetch origin c25f8b127a2d814f40ef14843df574bc71991256:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-streebog0.9
 * [new ref]         c25f8b127a2d814f40ef14843df574bc71991256 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c25f8b1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild