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|
{ inNixShell ? false, contentAddressed ? false }:
let cfg = import ./config.nix; in
with cfg;
let
mkDerivation =
if contentAddressed then
args: cfg.mkDerivation ({
__contentAddressed = true;
outputHashMode = "recursive";
outputHashAlgo = "sha256";
} // args)
else cfg.mkDerivation;
in
let pkgs = rec {
setupSh = builtins.toFile "setup" ''
export VAR_FROM_STDENV_SETUP=foo
for pkg in $buildInputs; do
export PATH=$PATH:$pkg/bin
done
'';
stdenv = mkDerivation {
name = "stdenv";
buildCommand = ''
mkdir -p $out
ln -s ${setupSh} $out/setup
'';
};
shellDrv = mkDerivation {
name = "shellDrv";
builder = "/does/not/exist";
VAR_FROM_NIX = "bar";
TEST_inNixShell = if inNixShell then "true" else "false";
inherit stdenv;
outputs = ["dev" "out"];
};
# Used by nix-shell -p
runCommand = name: args: buildCommand: mkDerivation (args // {
inherit name buildCommand stdenv;
});
foo = runCommand "foo" {} ''
mkdir -p $out/bin
echo 'echo foo' > $out/bin/foo
chmod a+rx $out/bin/foo
ln -s ${shell} $out/bin/bash
'';
bar = runCommand "bar" {} ''
mkdir -p $out/bin
echo 'echo bar' > $out/bin/bar
chmod a+rx $out/bin/bar
'';
bash = shell;
# ruby "interpreter" that outputs "$@"
ruby = runCommand "ruby" {} ''
mkdir -p $out/bin
echo 'printf %s "$*"' > $out/bin/ruby
chmod a+rx $out/bin/ruby
'';
inherit pkgs;
}; in pkgs
|
