$ git clone -n https://src.fedoraproject.org/rpms/rust-clircle.git /var/lib/mock/f45-build-40844-776/root/chroot_tmpdir/scmroot/rust-clircle
Cloning into '/var/lib/mock/f45-build-40844-776/root/chroot_tmpdir/scmroot/rust-clircle'...
$ git fetch origin f1cee19c0cef7db4454712c39f076332f3a3aa70:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-clircle
 * [new ref]         f1cee19c0cef7db4454712c39f076332f3a3aa70 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1cee19 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild