cabal-install-0.6.0: bootstrap.sh

#!/bin/sh

# A script to bootstrap cabal-install.

# It works by downloading and installing the Cabal, zlib and
# HTTP packages. It then installs cabal-install itself.
# It expects to be run inside the cabal-install directory.

CABAL_VER="1.6.0.1"
HTTP_VER="3001.1.3"
ZLIB_VER="0.4.0.4"

HACKAGE_URL="http://hackage.haskell.org/packages/archive"
CABAL_URL=${HACKAGE_URL}/Cabal/${CABAL_VER}/Cabal-${CABAL_VER}.tar.gz
HTTP_URL=${HACKAGE_URL}/HTTP/${HTTP_VER}/HTTP-${HTTP_VER}.tar.gz
ZLIB_URL=${HACKAGE_URL}/zlib/${ZLIB_VER}/zlib-${ZLIB_VER}.tar.gz

case `which wget curl` in
  *curl)
    curl -O ${CABAL_URL} -O ${HTTP_URL} -O ${ZLIB_URL}
    ;;
  *wget)
    wget -c ${CABAL_URL} ${HTTP_URL} ${ZLIB_URL}
    ;;
  *)
    echo "Failed to find a downloader. 'wget' or 'curl' is required." >&2
    exit 2
    ;;
esac

tar -zxf Cabal-${CABAL_VER}.tar.gz
cd Cabal-${CABAL_VER}
ghc --make Setup
./Setup configure --user && ./Setup build && ./Setup install
cd ..

tar -zxf HTTP-${HTTP_VER}.tar.gz
cd HTTP-${HTTP_VER}
runghc Setup configure --user && runghc Setup build && runghc Setup install
cd ..

tar -zxf zlib-${ZLIB_VER}.tar.gz
cd zlib-${ZLIB_VER}
runghc Setup configure --user && runghc Setup build && runghc Setup install
cd ..

runghc Setup configure --user && runghc Setup build && runghc Setup install

CABAL_BIN="$HOME/.cabal/bin"
echo

if [ -x "$CABAL_BIN/cabal" ]
then
    echo "cabal successfully installed in $CABAL_BIN."
    echo "You may want to add $CABAL_BIN to your PATH."
else
    echo "Sorry, something went wrong."
fi

echo