$ git clone -n https://src.fedoraproject.org/rpms/tcl-togl.git /var/lib/mock/f41-build-side-1-2670538-29059/root/chroot_tmpdir/scmroot/tcl-togl
Cloning into '/var/lib/mock/f41-build-side-1-2670538-29059/root/chroot_tmpdir/scmroot/tcl-togl'...
$ git fetch origin f3ca02adea13c59c05ab0bea3b7d4ece3e19e505:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tcl-togl
 * [new ref]         f3ca02adea13c59c05ab0bea3b7d4ece3e19e505 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3ca02a convert license to SPDX