nix-debug-shell

#!/usr/bin/env bash
set -e
dir=$(dirname $(readlink -f "$0"))

declare -a args

for arg in "$@"; do
    if [ -n "$nextArgIsPkg" ]; then
        pkg="$arg"
        nextArgIsPkg=
        continue
    fi
    case "$arg" in
        -A)
            if [ -n "$pkg" ]; then
                echo "$0: error: -A argument given twice."
                exit 1
            fi
            nextArgIsPkg=1
            ;;
        --no-ccache)
            noCCache=1
            ;;
        *)
            args+=("$arg")
    esac
done

if [ -z "$pkg" ]; then
    echo "$0: -A argument must be given."
    exit 1
fi

buildDir="/tmp/nds-build-$pkg"
if [ -d "$buildDir" ]; then
    # TODO: maybe handle this instead of always wiping
    # echo "Reusing existing build directory '$buildDir'. Run 'nd-reset' to wipe it and start the build from scratch."
    echo "Wiping already existing build directory '$buildDir'."
    rm -rf "$buildDir"
else
    echo "Creating new build directory '$buildDir'."
fi
mkdir -p "$buildDir"

#echo "noCCache: $noCCache, pkg: $pkg, args: ${args[@]}"
nix-shell -A "$pkg" --command "cd $buildDir; source $dir/env.sh; return" "${args[@]}"