google-cloud-sdk fixed AUR PKGBUILD

pkgname="google-cloud-sdk"
pkgver="0.9.26"
pkgrel="1"
pkgdesc="A command-line tool to manage Google Compute Engine resources"
url="https://developers.google.com/compute/docs/gcutil/"
license=("Apache")
arch=("any")
source=(https://dl.google.com/dl/cloudsdk/release/google-cloud-sdk.zip)
depends=('python2')
sha1sums=('4d2da7bcb242bb471009af05da0b15b339c64b98')

package() {
  mkdir "$pkgdir/opt"
  msg2 "Changing python references to python2"
  sed -i 's/python/python2/g' $srcdir/google-cloud-sdk/install.sh
  find $srcdir -name '*.py' -exec sed -i 's/env python$/env python2/g' {} \;

  cp -r "$srcdir/$pkgname" $pkgdir/opt
  mkdir -p $pkgdir/etc/profile.d/
  $pkgdir/opt/google-cloud-sdk/install.sh --usage-reporting false --disable-installation-options --path-update true --bash-completion true --rc-path $pkgdir/etc/profile.d/google-cloud-sdk.sh

  msg2 "Installing man pages"
  mkdir -p $pkgdir/usr/share/man/man1
  mv $pkgdir/opt/google-cloud-sdk/help/man/man1 $pkgdir/usr/share/man/
  rm -rf /opt/google-cloud-sdk/help/man/

  msg2 "Cleaning files and folders"
  rm -rf $pkgdir/opt/google-cloud-sdk/.install/

  msg2 "Fixing files permissions"
  chown root:root -R $pkgdir
}