$ git clone -n https://src.fedoraproject.org/rpms/photoqt.git /var/lib/mock/f40-build-2134452-50815/root/chroot_tmpdir/scmroot/photoqt
Cloning into '/var/lib/mock/f40-build-2134452-50815/root/chroot_tmpdir/scmroot/photoqt'...
$ git fetch origin 9ea92fd0039f11be3a42ece74f640f6e46d9749b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/photoqt
 * [new ref]         9ea92fd0039f11be3a42ece74f640f6e46d9749b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ea92fd Fix build with exiv2-0.28.0