DeathFenix  filed a deletion request for hda-jack-retask-bzr :
The package cant be install, because the PKGBUILD dile need a msg1 command, but that command have never exist (for what i know).
 https://aur.archlinux.org/account/DeathFenix/  https://aur.archlinux.org/pkgbase/hda-jack-retask-bzr/
Request #11925 has been accepted by Eschwartz :
package is, apparently, quadruply deprecated and should not be used anyway.