$ git clone -n https://src.fedoraproject.org/rpms/python-rfc3987.git /var/lib/mock/f39-build-1431808-31805/root/chroot_tmpdir/scmroot/python-rfc3987
Cloning into '/var/lib/mock/f39-build-1431808-31805/root/chroot_tmpdir/scmroot/python-rfc3987'...
$ git fetch origin 25b3ac4aa355f6e067d24c59289f7db474ad6e6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rfc3987
 * [new ref]         25b3ac4aa355f6e067d24c59289f7db474ad6e6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25b3ac4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild