$ git clone -n https://src.fedoraproject.org/rpms/rust-supports-color2.git /var/lib/mock/f45-build-45323-822/root/chroot_tmpdir/scmroot/rust-supports-color2
Cloning into '/var/lib/mock/f45-build-45323-822/root/chroot_tmpdir/scmroot/rust-supports-color2'...
$ git fetch origin bb6c267a42b91f3d3b1647802f3542ee756edf18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-supports-color2
 * [new ref]         bb6c267a42b91f3d3b1647802f3542ee756edf18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb6c267 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild