$ git clone -n https://src.fedoraproject.org/rpms/bitlbee-facebook.git /var/lib/mock/f40-build-1357684-23555/root/chroot_tmpdir/scmroot/bitlbee-facebook
Cloning into '/var/lib/mock/f40-build-1357684-23555/root/chroot_tmpdir/scmroot/bitlbee-facebook'...
$ git fetch origin 9e4e962d1e2421502eb2e630151669d287a2b3e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bitlbee-facebook
 * [new ref]         9e4e962d1e2421502eb2e630151669d287a2b3e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e4e962 Test whether BitlBee can load plugin during startup (#2272092)