$ git clone -n https://src.fedoraproject.org/rpms/hamlib.git /var/lib/mock/f42-build-side-1-3498763-45963/root/chroot_tmpdir/scmroot/hamlib
Cloning into '/var/lib/mock/f42-build-side-1-3498763-45963/root/chroot_tmpdir/scmroot/hamlib'...
$ git fetch origin 0309c32e8011039c7e3415f5da36fe17c3169757:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hamlib
 * [new ref]         0309c32e8011039c7e3415f5da36fe17c3169757 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0309c32 Update deps for Tcl/Tk 9.0.