[aur-general] Problem with opustags PKGBUILD

[Storm Dragon]

Howdy,
I put together a PKGBUILD for opustags, a cli tagger for opus files. I am pretty sure I did it right, but I get the error "/bin exists in file system" when installing the package.
So, I guess I am missing something completely obvious lol. The PKGBUILD is attached.
Thanks for any help
Storm
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# Maintainer: Storm Dragon <stormdragon2976 at gmail.com>
_pkgname=opustags
pkgname=opustags-git
pkgver=0.36.fcd6470
pkgrel=1
pkgdesc="View and edit tags for opus files from the command line."
arch=('any')
url="http://github.com/fmang/pkgname"
license=('GPL3')
depends=('libogg')
makedepends=('git')
provides=("$_pkgname")
conflicts=("$_pkgname")
source=("$_pkgname::git+git://github.com/fmang/$_pkgname.git")
md5sums=("SKIP")

 pkgver()
{
   cd "$srcdir/$_pkgname"
   echo "0.$(git rev-list --count HEAD).$(git describe --always)"
 }

build()
{
cd "$srcdir/$_pkgname"
make
}

package()
 {
  cd "$srcdir/$_pkgname"
make PREFIX=/usr DESTDIR="$pkgdir" install
  }

# vim:set ts=2 sw=2 et:
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