PKGBUILD-like script to install bitcoind and bitcoin-qt on Ubuntu LTS 12.04

get_bitcoind.sh

#!/bin/bash
# PKGBUILD-like script to install bitcoind and bitcoin-qt on Ubuntu LTS 12.04 

install_bitcoin() {
    pkgbase=bitcoin
    pkgname=('bitcoin-daemon' 'bitcoin-qt')
    pkgver=0.8.4
    pkgrel=3
    arch=('i686' 'x86_64')
    url="http://www.bitcoin.org/"
    makedepends=('sudo' \
                 'libboost-dev' \
                   'libboost-filesystem-dev' \
                   'libboost-system-dev' \
                   'libboost-program-options-dev' \
                   'libboost-thread-dev' \
                 'automoc' \
                 'libqrencode-dev' \
                 'libminiupnpc-dev' \
                 'libdb++-dev')
    depends=('openssl' 'qrencode' 'miniupnpc' 'libboost-dev')
    license=('MIT')
    sourcetar="bitcoin-$pkgver-linux.tar.gz"
    source=(http://sourceforge.net/projects/bitcoin/files/Bitcoin/bitcoin-$pkgver/$sourcetar)
    sha256sums=('cd746a4ab3b656e41e3f09722a7336fb978eb726bae55591314f1dad60759ecc')

    echo "Downloading bitcoind sources..."
    [ ! -f $sourcetar ] && wget $source || echo "(Already downloaded)"

    echo "Verifying hash..."
    localsha=($(sha256sum $sourcetar))
    [ "${localsha[0]}" == "${sha256sums[0]}" ] && echo "OK" || return 142

    echo "Unpacking sources..."
    [ ! -d "$pkgbase-$pkgver-linux" ] &&\
      tar -xzvf $sourcetar || echo "(Already extracted)"
    cd "$pkgbase-$pkgver-linux/src"

    echo "Checking make-dependencies..."
    for x in ${makedepends[@]}; do
      echo "Checking $x..."
      dpkg-query -l $x && echo "OK" || yes | sudo apt-get install $x
    done
    echo

    echo "Making Qt GUI..."
    qmake-qt4 USE_QRCODE=1 &&\
    make && echo "OK" || return 142

    echo "Making Bitcoind..."
    make -f makefile.unix -C src CXXFLAGS="$CXXFLAGS" && echo "OK" || return 142

    echo "Checking dependencies..."
    for x in ${depends[@]}; do
      echo "Checking $x..."
      dpkg-query -l $x && echo "OK" || yes | sudo apt-get install $x
    done
    echo

    echo "Installing bitcoin-qt to /usr/bin/bitcoin-qt..."
    sudo install -Dm755 bitcoin-qt /usr/bin/bitcoin-qt && echo "OK" || return 142
    echo "Installing .desktop..."
    sudo install -Dm644 contrib/debian/bitcoin-qt.desktop \
      /usr/share/applications/bitcoin.desktop && echo "OK" || return 142
    echo "Installing pixmap..."
    sudo install -Dm644 share/pixmaps/bitcoin128.png \
      /usr/share/pixmaps/bitcoin128.png && echo "OK" || return 142

    echo "Installing bitcoind to /usr/bin/bitcoind..."
    sudo install -Dm755 src/bitcoind /usr/bin/bitcoind && echo "OK" || return 142
    echo "Installing example bitcoin.conf to /usr/share/doc/$pkgname/examples/bitcoin.conf..."
    sudo mkdir -p "/usr/share/doc/$pkgname/examples"
    sudo install -Dm644 contrib/debian/examples/bitcoin.conf \
      "/usr/share/doc/$pkgname/examples/bitcoin.conf" && echo "OK" || return 142
    echo "Installing manpage 1..."
    sudo install -Dm644 contrib/debian/manpages/bitcoind.1 \
      /usr/share/man/man1/bitcoind.1 && echo "OK" || return 142
    echo "Installing manpage 2..."
    sudo install -Dm644 contrib/debian/manpages/bitcoin.conf.5 \
      /usr/share/man/man5/bitcoin.conf.5
}

install_bitcoin && echo "Success!" || echo "Fail, look for the last procedure description “e.g Making Bitcoind...” and see what went wrong."