$ git clone -n https://src.fedoraproject.org/rpms/incron.git /var/lib/mock/f41-build-785967-13590/root/chroot_tmpdir/scmroot/incron
Cloning into '/var/lib/mock/f41-build-785967-13590/root/chroot_tmpdir/scmroot/incron'...
$ git fetch origin 2f4db17ea8c8c3d072ade26934229b696bba5410:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/incron
 * [new ref]         2f4db17ea8c8c3d072ade26934229b696bba5410 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f4db17 Eliminate use of obsolete %patchN syntax (#2283636)