$ git clone -n https://src.fedoraproject.org/rpms/rust-statrs.git /var/lib/mock/f45-build-45161-821/root/chroot_tmpdir/scmroot/rust-statrs
Cloning into '/var/lib/mock/f45-build-45161-821/root/chroot_tmpdir/scmroot/rust-statrs'...
$ git fetch origin f6da03ce112fd741c65cce139060b8361da472b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-statrs
 * [new ref]         f6da03ce112fd741c65cce139060b8361da472b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6da03c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild