draft for singularity on alpine linux

APKBUILD

Contributor: Tru Huynh <tru@pasteur.fr>
Maintainer: Tru Huynh <tru@pasteur.fr>
pkgname=singularity
pkgver=2.1
pkgrel=0
pkgdesc="Singularity: Application containers for Linux"
url="http://singularity.lbl.gov"
arch="x86_64"
license="LNL"
depends=""
depends_dev="autoconf automake gcc make libtool linux-headers"
#depends_dev=""
makedepends="$depends_dev"
install=""
subpackages="$pkgname-dev $pkgname-doc"
source="${pkgname}-${pkgver}.zip::https://github.com/gmkurtzer/singularity/archive/master.zip"
#source="${pkgname}-${pkgver}.tar.gz::https://github.com/gmkurtzer/singularity/archive/2.1.tar.gz"

builddir=singularity-master
build() {
        cd "$builddir"
        ./autogen.sh
        ./configure \
                --build=$CBUILD \
                --host=$CHOST \
                --prefix=/usr \
                --sysconfdir=/etc \
                --mandir=/usr/share/man \
                --localstatedir=/var \
                || return 1
        make || return 1
}

package() {
        cd "$builddir"
        make DESTDIR="$pkgdir" install || return 1
}

md5sums="2e5f6254ae233b357a3a6e138ab424e3  singularity-2.1.zip"
sha256sums="9face6f23b9f8876b4ee2dde2cd84091502396cdf483c44db325c82247caaa68  singularity-2.1.zip"
sha512sums="eedc4d875f74a79e324287025a5c8ecfd3bb66aaa7f7c52b79da572d7c89d00dfcbd8f21ef7cb0f63f0fcb2b3c6ce59f4da03ed7f758e3b0a3f93fbac5e99e71  singularity-2.1.zip"

LOL/missed the # for Contributor and Maintainer, but that fails with

/usr/bin/abuild: cd: line 2246: can't cd to singularity-master
make: *** No rule to make target 'install'.  Stop.
>>> ERROR: singularity*: package failed
>>> ERROR: singularity: all failed
>>> singularity: Uninstalling dependencies...