$ git clone -n https://src.fedoraproject.org/rpms/qgis.git /var/lib/mock/f42-build-865022-172748/root/chroot_tmpdir/scmroot/qgis
Cloning into '/var/lib/mock/f42-build-865022-172748/root/chroot_tmpdir/scmroot/qgis'...
$ git fetch origin e3d121bed603592f55848c3a837eac32c818ad7f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qgis
 * [new ref]         e3d121bed603592f55848c3a837eac32c818ad7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3d121b Add qgis-3.40.2-vendor-licenses.txt