PKGBUILD

# Contributor: delor <bartekpiech@gmail com>

pkgname=gitflow-git
pkgver=0.2.214.g15aab26
pkgrel=1
pkgdesc="Git extensions to provide high-level repository operations for Vincent Driessen's branching model."
arch=('any')
url="http://github.com/nvie/gitflow"
license=('BSD')
depends=('git')

_gitname="gitflow"
source=(git://github.com/nvie/${_gitname}.git)
md5sums=('SKIP')

pkgver() {
    cd "$_gitname"
    git describe --tags | sed 's/-/./g'
}

build() {
    cd "$_gitname"
    git submodule init
    git submodule update
    msg "Submodule checkout done or server timeout"
}

package() {
    msg "Starting make"

    cd "$_gitname"
    make prefix=/${pkgdir}/usr install

    install -Dm644 "$srcdir/$_gitname/LICENSE" \
            "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}

I'd rather suggest something closer to https://gist.github.com/kyrias/5788878