$ git clone -n https://src.fedoraproject.org/rpms/environment-modules.git /var/lib/mock/f42-build-868655-176222/root/chroot_tmpdir/scmroot/environment-modules
Cloning into '/var/lib/mock/f42-build-868655-176222/root/chroot_tmpdir/scmroot/environment-modules'...
$ git fetch origin 8854f1fc3538583e9afa8e39cef65619cf33bd45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/environment-modules
 * [new ref]         8854f1fc3538583e9afa8e39cef65619cf33bd45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8854f1f Rebuilt for Tcl 9.0 (#2337702)