$ git clone -n https://src.fedoraproject.org/rpms/pidgin-guifications.git /var/lib/mock/f41-build-889671-16837/root/chroot_tmpdir/scmroot/pidgin-guifications
Cloning into '/var/lib/mock/f41-build-889671-16837/root/chroot_tmpdir/scmroot/pidgin-guifications'...
$ git fetch origin 1758ff08941bb9dab1fc75f9c4062dab831e67d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pidgin-guifications
 * [new ref]         1758ff08941bb9dab1fc75f9c4062dab831e67d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1758ff0 Eliminate use of obsolete %patchN syntax (#2283636)