$ git clone -n https://src.fedoraproject.org/rpms/gpsman.git /var/lib/mock/f41-build-757231-13423/root/chroot_tmpdir/scmroot/gpsman
Cloning into '/var/lib/mock/f41-build-757231-13423/root/chroot_tmpdir/scmroot/gpsman'...
$ git fetch origin 99974d8428a6383705e8c91b68c712151201c4be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gpsman
 * [new ref]         99974d8428a6383705e8c91b68c712151201c4be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99974d8 Eliminate use of obsolete %patchN syntax (#2283636)