$ git clone -n https://src.fedoraproject.org/rpms/rust-bytes0.5.git /var/lib/mock/f39-build-1444923-32642/root/chroot_tmpdir/scmroot/rust-bytes0.5
Cloning into '/var/lib/mock/f39-build-1444923-32642/root/chroot_tmpdir/scmroot/rust-bytes0.5'...
$ git fetch origin babe56da0ea4a9737062b378f3f59c4e91aa5ce3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bytes0.5
 * [new ref]         babe56da0ea4a9737062b378f3f59c4e91aa5ce3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at babe56d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild