$ git clone -n https://src.fedoraproject.org/rpms/LinLog.git /var/lib/mock/f41-build-1017249-17920/root/chroot_tmpdir/scmroot/LinLog
Cloning into '/var/lib/mock/f41-build-1017249-17920/root/chroot_tmpdir/scmroot/LinLog'...
$ git fetch origin 2f74df4fa46bc36465a9caf9564d935f5bc68a7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/LinLog
 * [new ref]         2f74df4fa46bc36465a9caf9564d935f5bc68a7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f74df4 Eliminate use of obsolete %patchN syntax (#2283636)