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path: root/extra/ghc/print-provides-replaces.sh
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#!/bin/bash

. PKGBUILD

if [[ ! -d src/ghc-${pkgver}/libraries ]]; then
  echo "error: no directory src/ghc-${pkgver}/libraries: You must extract the source tarball under src/"
  exit 1
fi

declare -A exclude
# no Win32 cause we're not building on windows
exclude['Win32']=1
# no integer-simple because we use integer-gmp
exclude['integer-simple']=1
# extract excluded libraries from ghc.mk
for exclude_pkg in $(sed 's/PKGS_THAT_ARE_INTREE_ONLY := //p' -n src/ghc-${pkgver}/ghc.mk); do
  exclude[${exclude_pkg}]=1
done

cd src/ghc-${pkgver}/libraries

# $1 is the name of the variable
# $2 is the string for the test, either '=' or '<'
print_var() {
  printf "$1=("
  for pkg in $(ls ./*/*.cabal | awk -F '/' '{ print $2 }'); do
    [[ ${exclude[${pkg}]} ]] && continue
    version=$(awk 'tolower($0) ~ /^version:/ {print $2 }' $pkg/$pkg.cabal)
    printf "'haskell-$pkg$2$version'\n          "
  done
  # also add cabal
  version=$(awk 'tolower($0) ~ /^version:/ { print $2 }' Cabal/Cabal/Cabal.cabal)
  printf "'haskell-cabal$2$version'\n          "
  echo -e '\b)'
}

print_var 'provides' '='
print_var 'replaces' '<'