$ git clone -n https://src.fedoraproject.org/rpms/ip-sentinel.git /var/lib/mock/f41-build-785983-13590/root/chroot_tmpdir/scmroot/ip-sentinel
Cloning into '/var/lib/mock/f41-build-785983-13590/root/chroot_tmpdir/scmroot/ip-sentinel'...
$ git fetch origin b3b4de5ebbc75faafdd991bf834dc911a4050a72:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ip-sentinel
 * [new ref]         b3b4de5ebbc75faafdd991bf834dc911a4050a72 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3b4de5 Eliminate use of obsolete %patchN syntax (#2283636)