$ git clone -n https://src.fedoraproject.org/rpms/rust-cpufeatures0.2.git /var/lib/mock/f45-build-41058-779/root/chroot_tmpdir/scmroot/rust-cpufeatures0.2
Cloning into '/var/lib/mock/f45-build-41058-779/root/chroot_tmpdir/scmroot/rust-cpufeatures0.2'...
$ git fetch origin e7abf248f3022e425a7cc724e5fb9f737a612061:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cpufeatures0.2
 * [new ref]         e7abf248f3022e425a7cc724e5fb9f737a612061 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7abf24 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild