$ git clone -n https://src.fedoraproject.org/rpms/bluez.git /var/lib/mock/f40-build-2208812-52141/root/chroot_tmpdir/scmroot/bluez
Cloning into '/var/lib/mock/f40-build-2208812-52141/root/chroot_tmpdir/scmroot/bluez'...
$ git fetch origin cff38f0609198fef6905e3a9239e2a427925e50b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluez
 * [new ref]         cff38f0609198fef6905e3a9239e2a427925e50b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cff38f0 Upstream fix for crash on A2DP audio suspend