$ git clone -n https://src.fedoraproject.org/rpms/grantlee-editor.git /var/lib/mock/f40-build-1890788-25061/root/chroot_tmpdir/scmroot/grantlee-editor
Cloning into '/var/lib/mock/f40-build-1890788-25061/root/chroot_tmpdir/scmroot/grantlee-editor'...
$ git fetch origin 1149b4309e072f621b7a7c1d1957b340af81cd52:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grantlee-editor
 * [new ref]         1149b4309e072f621b7a7c1d1957b340af81cd52 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1149b43 24.05.2