$ git clone -n https://src.fedoraproject.org/rpms/guile-gnutls.git /var/lib/mock/f39-build-2419343-60579/root/chroot_tmpdir/scmroot/guile-gnutls
Cloning into '/var/lib/mock/f39-build-2419343-60579/root/chroot_tmpdir/scmroot/guile-gnutls'...
$ git fetch origin df296a23045a782fd0212eff2ad5b55337644890:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/guile-gnutls
 * [new ref]         df296a23045a782fd0212eff2ad5b55337644890 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df296a2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild