$ git clone -n https://src.fedoraproject.org/rpms/mindless.git /var/lib/mock/f39-build-1558624-37307/root/chroot_tmpdir/scmroot/mindless
Cloning into '/var/lib/mock/f39-build-1558624-37307/root/chroot_tmpdir/scmroot/mindless'...
$ git fetch origin 644a4fe1bed93cf35b66e5c3a3b9679d1c13e6fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mindless
 * [new ref]         644a4fe1bed93cf35b66e5c3a3b9679d1c13e6fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 644a4fe Fix old style patch with autosetup