$ git clone -n https://src.fedoraproject.org/rpms/rust-asn1-rs-derive.git /var/lib/mock/f45-build-40204-769/root/chroot_tmpdir/scmroot/rust-asn1-rs-derive
Cloning into '/var/lib/mock/f45-build-40204-769/root/chroot_tmpdir/scmroot/rust-asn1-rs-derive'...
$ git fetch origin 280e0307230d54e5b50208449b5687b970645752:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-asn1-rs-derive
 * [new ref]         280e0307230d54e5b50208449b5687b970645752 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 280e030 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild