liminix/pkgs/fennelrepl/default.nix

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{
runCommand
, runtimeShell
, fetchurl
, lib
, luaPackages
, lua
, writeScriptBin
, linotify
, anoia
, fennel
}:
let packages = [
linotify
anoia
fennel
];
join = ps: builtins.concatStringsSep ";" ps;
luapath = join (builtins.map (f: "${f}/share/lua/${lua.luaversion}/?.lua") packages);
luacpath = join (builtins.map (f: "${f}/lib/lua/${lua.luaversion}/?.so") packages);
in writeScriptBin "fennelrepl" ''
#!${lua}/bin/lua
package.path = ${lib.strings.escapeShellArg luapath} .. ";" .. package.path
package.cpath = ${lib.strings.escapeShellArg luacpath} .. ";" .. (package.cpath or "")
local fennel = require "fennel"
fennel.install()
local more_fennel = os.getenv("FENNEL_PATH")
if more_fennel then
fennel.path = more_fennel .. ";" .. fennel.path
end
if #arg > 0 then
script = table.remove(arg, 1)
fennel.dofile(script, {}, arg)
else
fennel.repl()
end
''