$ git clone -n https://src.fedoraproject.org/rpms/tcl-togl.git /var/lib/mock/f42-build-3458063-45512/root/chroot_tmpdir/scmroot/tcl-togl
Cloning into '/var/lib/mock/f42-build-3458063-45512/root/chroot_tmpdir/scmroot/tcl-togl'...
$ git fetch origin 243c2472064647114e904c424a669390a2e9288d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tcl-togl
 * [new ref]         243c2472064647114e904c424a669390a2e9288d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 243c247 Orphaned for 6+ weeks