script to setup stack symlinks to fedora ghcX.Y

stack-symlink-distro-ghc.sh

#!/bin/sh

VERSION=$1
#FIXME lib

if [ -z "$VERSION" ]; then
   echo "Usage: $0 X.Y.Z"
   exit 1
fi

LIBDIR=/usr/lib64/ghc-$VERSION
if [ ! -d "$LIBDIR" ]; then
   echo "$LIBDIR does not exist: please install ghcX.Y first"
   exit 1
fi

# FIXME arch
STACK_PROGRAMS=$HOME/.stack/programs/$(arch)-linux

STACK_GHCDIR=${STACK_PROGRAMS}/ghc-tinfo6-$VERSION

if [ -e "$STACK_GHCDIR" ]; then
   echo "$STACK_GHCDIR exists: please remove first"
   exit 1
fi

mkdir -p $STACK_GHCDIR/bin

for i in ghc ghc-pkg ghci hp2ps hpc hsc2hs runghc runhaskell; do
    if [ -x /usr/bin/$i-$VERSION ]; then
        ln -s /usr/bin/$i-$VERSION $STACK_GHCDIR/bin/$i
    else
        ln -s /usr/bin/$i $STACK_GHCDIR/bin/$i
    fi
done

ln -s /usr/bin/haddock-ghc-$VERSION $STACK_GHCDIR/bin/haddock