Alex Tunstall
e805baacb7
The package set is built entirely from source using the stdenv and Hugs. This also replaces the recently added microhs package, which was built from pre-generated compiler output. Co-authored-by: sternenseemann <sternenseemann@systemli.org>
53 lines
1.0 KiB
Nix
53 lines
1.0 KiB
Nix
{
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lib,
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runCommand,
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runtimeShell,
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writeShellScript,
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}:
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{
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microhs,
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packages,
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}:
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let
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packages' = [ microhs ] ++ lib.filter (p: p != null) packages;
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extraFlags = lib.concatMapStringsSep " " (
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p: "-a${p}/lib/mcabal/${microhs.haskellCompilerName}"
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) packages';
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wrapper = writeShellScript "mhs-wrapper" ''
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args=("$@")
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noExtra=0
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for ((i=0; i<"''${#args[@]}"; ++i)); do
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case "''${args[i]}" in
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--version | --numeric-version)
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noExtra=1
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;;
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*)
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;;
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esac
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done
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if test "$noExtra" -eq 0; then
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for arg in ${extraFlags}; do
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args[i++]="$arg"
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done
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fi
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if (( "''${NIX_DEBUG:-0}" >= 1 )); then
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printf 'mhs-wrapper: mhs %s\n' "''${args[*]}" >&2
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fi
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exec ${microhs}/bin/mhs "''${args[@]}"
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'';
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in
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runCommand "${microhs.name}-wrapped"
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{
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inherit (microhs) passthru;
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}
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''
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mkdir -p $out/bin
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cp -rs ${microhs}/bin/* $out/bin/
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rm $out/bin/mhs 2>/dev/null || true
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cp ${wrapper} $out/bin/mhs
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''
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