$ git clone -n https://src.fedoraproject.org/rpms/rust-joinery.git /var/lib/mock/f39-build-1539638-36443/root/chroot_tmpdir/scmroot/rust-joinery
Cloning into '/var/lib/mock/f39-build-1539638-36443/root/chroot_tmpdir/scmroot/rust-joinery'...
$ git fetch origin 495a9f420eabfc76361743547a57a84f21104222:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-joinery
 * [new ref]         495a9f420eabfc76361743547a57a84f21104222 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 495a9f4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild