$ git clone -n https://src.fedoraproject.org/rpms/rust-color-eyre.git /var/lib/mock/f45-build-40868-776/root/chroot_tmpdir/scmroot/rust-color-eyre
Cloning into '/var/lib/mock/f45-build-40868-776/root/chroot_tmpdir/scmroot/rust-color-eyre'...
$ git fetch origin a30d7b8949770bd12dc663860b8e05e212e98e50:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-color-eyre
 * [new ref]         a30d7b8949770bd12dc663860b8e05e212e98e50 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a30d7b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild