$ git clone -n https://src.fedoraproject.org/rpms/rust-miette.git /var/lib/mock/f45-build-43274-801/root/chroot_tmpdir/scmroot/rust-miette
Cloning into '/var/lib/mock/f45-build-43274-801/root/chroot_tmpdir/scmroot/rust-miette'...
$ git fetch origin dc38aa58226dd717d74ce181443bdba515e253cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-miette
 * [new ref]         dc38aa58226dd717d74ce181443bdba515e253cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc38aa5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild