$ git clone -n https://src.fedoraproject.org/rpms/gnucap.git /var/lib/mock/f40-build-1999300-44326/root/chroot_tmpdir/scmroot/gnucap
Cloning into '/var/lib/mock/f40-build-1999300-44326/root/chroot_tmpdir/scmroot/gnucap'...
$ git fetch origin 15ec136a36480336048adc6dd640b61a39ca1b35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnucap
 * [new ref]         15ec136a36480336048adc6dd640b61a39ca1b35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15ec136 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild