$ git clone -n https://src.fedoraproject.org/rpms/texstudio.git /var/lib/mock/f40-build-804331-144502/root/chroot_tmpdir/scmroot/texstudio
Cloning into '/var/lib/mock/f40-build-804331-144502/root/chroot_tmpdir/scmroot/texstudio'...
$ git fetch origin 1f95890f37b23c6c18499ba3ae02e9852453aae0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/texstudio
 * [new ref]         1f95890f37b23c6c18499ba3ae02e9852453aae0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f95890 Update to 4.7.3