$ git clone -n https://src.fedoraproject.org/rpms/breezy.git /var/lib/mock/f40-build-734178-105813/root/chroot_tmpdir/scmroot/breezy
Cloning into '/var/lib/mock/f40-build-734178-105813/root/chroot_tmpdir/scmroot/breezy'...
$ git fetch origin 62085ecffd2df97faff7f998218fb963454da88d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/breezy
 * [new ref]         62085ecffd2df97faff7f998218fb963454da88d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62085ec Update to 3.3.3