$ git clone -n https://src.fedoraproject.org/rpms/python-raven.git /var/lib/mock/f41-build-700585-12889/root/chroot_tmpdir/scmroot/python-raven
Cloning into '/var/lib/mock/f41-build-700585-12889/root/chroot_tmpdir/scmroot/python-raven'...
$ git fetch origin 386f60f38076fd81127bfd5bad09f1cc447833a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-raven
 * [new ref]         386f60f38076fd81127bfd5bad09f1cc447833a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 386f60f Eliminate use of obsolete %patchN syntax (#2283636)