$ git clone -n https://src.fedoraproject.org/rpms/rust-libflate1.git /var/lib/mock/f45-build-42917-797/root/chroot_tmpdir/scmroot/rust-libflate1
Cloning into '/var/lib/mock/f45-build-42917-797/root/chroot_tmpdir/scmroot/rust-libflate1'...
$ git fetch origin 0aff95b0043dc014ab3086e85fe81a0716056213:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libflate1
 * [new ref]         0aff95b0043dc014ab3086e85fe81a0716056213 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0aff95b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild