$ git clone -n https://src.fedoraproject.org/rpms/oct2spec.git /var/lib/mock/f39-build-1450307-32746/root/chroot_tmpdir/scmroot/oct2spec
Cloning into '/var/lib/mock/f39-build-1450307-32746/root/chroot_tmpdir/scmroot/oct2spec'...
$ git fetch origin 595d960bd493e6938e13ce829ac4a59e0aedcadf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/oct2spec
 * [new ref]         595d960bd493e6938e13ce829ac4a59e0aedcadf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 595d960 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild