$ git clone -n https://src.fedoraproject.org/rpms/rust-gl_generator.git /var/lib/mock/f39-build-1521704-35855/root/chroot_tmpdir/scmroot/rust-gl_generator
Cloning into '/var/lib/mock/f39-build-1521704-35855/root/chroot_tmpdir/scmroot/rust-gl_generator'...
$ git fetch origin ba03281827cdbc86afe2e5bc9ff6b5f62446669c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gl_generator
 * [new ref]         ba03281827cdbc86afe2e5bc9ff6b5f62446669c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba03281 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild