$ git clone -n https://src.fedoraproject.org/rpms/rust-elfcat.git /var/lib/mock/f45-build-41425-782/root/chroot_tmpdir/scmroot/rust-elfcat
Cloning into '/var/lib/mock/f45-build-41425-782/root/chroot_tmpdir/scmroot/rust-elfcat'...
$ git fetch origin 8762e26f1dbe3bd9b4ff857533e003bec2c457b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-elfcat
 * [new ref]         8762e26f1dbe3bd9b4ff857533e003bec2c457b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8762e26 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild