$ git clone -n https://src.fedoraproject.org/rpms/mingw-libgpg-error.git /var/lib/mock/f41-build-1037591-18804/root/chroot_tmpdir/scmroot/mingw-libgpg-error
Cloning into '/var/lib/mock/f41-build-1037591-18804/root/chroot_tmpdir/scmroot/mingw-libgpg-error'...
$ git fetch origin 68726d826299063855ee70dfbbc2b63b9374dedd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-libgpg-error
 * [new ref]         68726d826299063855ee70dfbbc2b63b9374dedd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68726d8 Eliminate use of obsolete %patchN syntax (#2283636)