$ git clone -n https://src.fedoraproject.org/rpms/contour-terminal.git /var/lib/mock/f39-build-2128741-50783/root/chroot_tmpdir/scmroot/contour-terminal
Cloning into '/var/lib/mock/f39-build-2128741-50783/root/chroot_tmpdir/scmroot/contour-terminal'...
$ git fetch origin 5b7eec489832edaf000a000efade26de767f3c5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/contour-terminal
 * [new ref]         5b7eec489832edaf000a000efade26de767f3c5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b7eec4 update to 0.4.0.6245; rhbz#2255319