$ git clone -n https://src.fedoraproject.org/rpms/inn.git /var/lib/mock/f41-build-785951-13590/root/chroot_tmpdir/scmroot/inn
Cloning into '/var/lib/mock/f41-build-785951-13590/root/chroot_tmpdir/scmroot/inn'...
$ git fetch origin 2b5ce540743a17e801fbcdc572697c2fd7aad6b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/inn
 * [new ref]         2b5ce540743a17e801fbcdc572697c2fd7aad6b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b5ce54 Eliminate use of obsolete %patchN syntax (#2283636)