$ git clone -n https://src.fedoraproject.org/rpms/blueman.git /var/lib/mock/f41-build-828341-155703/root/chroot_tmpdir/scmroot/blueman
Cloning into '/var/lib/mock/f41-build-828341-155703/root/chroot_tmpdir/scmroot/blueman'...
$ git fetch origin 5c09c45657fd70eaa7f8da2b7ff77ddae20d606e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/blueman
 * [new ref]         5c09c45657fd70eaa7f8da2b7ff77ddae20d606e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c09c45 Update to v2.4.3