$ git clone -n https://src.fedoraproject.org/rpms/rust-rawpointer.git /var/lib/mock/f45-build-44296-812/root/chroot_tmpdir/scmroot/rust-rawpointer
Cloning into '/var/lib/mock/f45-build-44296-812/root/chroot_tmpdir/scmroot/rust-rawpointer'...
$ git fetch origin 2a9e4ea50f51ecac13b353337ae36b29c3a36735:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rawpointer
 * [new ref]         2a9e4ea50f51ecac13b353337ae36b29c3a36735 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a9e4ea Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild