$ git clone -n https://src.fedoraproject.org/rpms/rust-openxr-sys.git /var/lib/mock/f45-build-43561-804/root/chroot_tmpdir/scmroot/rust-openxr-sys
Cloning into '/var/lib/mock/f45-build-43561-804/root/chroot_tmpdir/scmroot/rust-openxr-sys'...
$ git fetch origin d4ae77bde43e2b7e35404744ee4cdb516410f239:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-openxr-sys
 * [new ref]         d4ae77bde43e2b7e35404744ee4cdb516410f239 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4ae77b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild