testing: migrate flakes/develop.sh
Change-Id: Ibd97c54efb72285a4b969fe11e6e6adf3a2d5511
This commit is contained in:
eldritch horrors
@@ -1,71 +0,0 @@
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source ../common.sh
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clearStore
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rm -rf $TEST_HOME/.cache $TEST_HOME/.config $TEST_HOME/.local
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# Create flake under test.
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cp ../shell-hello.nix ../config.nix $TEST_HOME/
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cat <<EOF >$TEST_HOME/flake.nix
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{
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inputs.nixpkgs.url = "$TEST_HOME/nixpkgs";
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outputs = {self, nixpkgs}: {
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packages.$system.hello = (import ./config.nix).mkDerivation {
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name = "hello";
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outputs = [ "out" "dev" ];
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meta.outputsToInstall = [ "out" ];
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buildCommand = "";
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};
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};
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}
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EOF
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# Create fake nixpkgs flake.
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mkdir -p $TEST_HOME/nixpkgs
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cp ../config.nix ../nix-shell/shell.nix $TEST_HOME/nixpkgs
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cat <<EOF >$TEST_HOME/nixpkgs/flake.nix
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{
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outputs = {self}: {
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legacyPackages.$system.bashInteractive = (import ./shell.nix {}).bashInteractive;
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};
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}
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EOF
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cd $TEST_HOME
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# Test whether `nix develop` passes through environment variables.
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[[ "$(
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ENVVAR=a nix develop --no-write-lock-file .#hello <<EOF
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echo "\$ENVVAR"
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EOF
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)" = "a" ]]
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# Test whether `nix develop --ignore-environment` does _not_ pass through environment variables.
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[[ -z "$(
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ENVVAR=a nix develop --ignore-environment --no-write-lock-file .#hello <<EOF
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echo "\$ENVVAR"
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EOF
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)" ]]
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# Determine the bashInteractive executable.
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nix build --no-write-lock-file './nixpkgs#bashInteractive' --out-link ./bash-interactive
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BASH_INTERACTIVE_EXECUTABLE="$PWD/bash-interactive/bin/bash"
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# Test whether `nix develop` sets `SHELL` to nixpkgs#bashInteractive shell.
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[[ "$(
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SHELL=custom nix develop --no-write-lock-file .#hello <<EOF
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echo "\$SHELL"
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EOF
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)" -ef "$BASH_INTERACTIVE_EXECUTABLE" ]]
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# Test whether `nix develop` with ignore environment sets `SHELL` to nixpkgs#bashInteractive shell.
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[[ "$(
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SHELL=custom nix develop --ignore-environment --no-write-lock-file .#hello <<EOF
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echo "\$SHELL"
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EOF
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)" -ef "$BASH_INTERACTIVE_EXECUTABLE" ]]
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# Test whether `nix develop` sets `IN_NIX_SHELL`
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[[ "$(nix develop --no-write-lock-file .#hello -c sh -c 'echo $IN_NIX_SHELL')" = "impure" ]]
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[[ "$(nix develop --no-write-lock-file --ignore-environment .#hello -c /bin/sh -c 'echo $IN_NIX_SHELL')" = "impure" ]]
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clearStore
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@@ -33,7 +33,6 @@ functional_tests_scripts = [
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'init.sh',
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'test-infra.sh',
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'flakes/flakes.sh',
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'flakes/develop.sh',
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'flakes/develop-r8854.sh',
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'flakes/mercurial.sh',
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'flakes/follow-paths.sh',
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@@ -0,0 +1,109 @@
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from testlib.fixtures.nix import Nix
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from testlib.fixtures.file_helper import with_files, File, EnvTemplate, CopyFile
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from testlib.environ import environ
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from testlib.utils import get_global_asset
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from pathlib import Path
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import pytest
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system = environ.get("system")
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files = {
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"flake.nix": EnvTemplate(f"""{{
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inputs.nixpkgs.url = "@HOME@/nixpkgs";
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outputs = {{self, nixpkgs}}: {{
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packages.{system}.hello = (import ./config.nix).mkDerivation {{
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name = "hello";
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outputs = [ "out" "dev" ];
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meta.outputsToInstall = [ "out" ];
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buildCommand = "";
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}};
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}};
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}}"""),
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"config.nix": get_global_asset("config.nix"),
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"shell-hello.nix": CopyFile("assets/shell-hello.nix"),
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"nixpkgs": {
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"flake.nix": File(f"""{{
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outputs = {{self}}: {{
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legacyPackages.{system}.bashInteractive = (import ./shell.nix {{}}).bashInteractive;
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}};
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}}"""),
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"config.nix": get_global_asset("config.nix"),
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"shell.nix": get_global_asset("shell.nix"),
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},
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}
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@pytest.fixture(autouse=True)
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def common_init(nix: Nix):
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nix.settings.add_xp_feature("nix-command", "flakes")
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@with_files(files)
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class TestDevelop:
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def test_env_passthrough(self, nix: Nix):
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nix.env["ENVVAR"] = "a"
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result = (
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nix.nix(["develop", "--no-write-lock-file", ".#hello"])
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.with_stdin(b'echo "$ENVVAR"')
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.run()
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.ok()
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)
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assert result.stdout_s == "a\n"
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def test_no_env_passthrough_on_ignore_environment(self, nix: Nix):
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nix.env["ENVVAR"] = "a"
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result = (
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nix.nix(["develop", "--ignore-environment", "--no-write-lock-file", ".#hello"])
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.with_stdin(b'echo "$ENVVAR"')
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.run()
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.ok()
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)
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assert result.stdout_s == "\n"
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class TestShell:
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@pytest.fixture(autouse=True)
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def shell_init(self, nix: Nix, files: Path): # noqa: ARG002
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nix.nix(
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[
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"build",
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"--no-write-lock-file",
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"./nixpkgs#bashInteractive",
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"--out-link",
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"./bash-interactive",
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]
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).run().ok()
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self.bash_interactive = nix.env.dirs.home / "bash-interactive/bin/bash"
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nix.env["SHELL"] = "custom"
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@pytest.mark.parametrize("extra_args", [[], ["--ignore-environment"]])
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def test_shell_is_bash_interactive(self, nix: Nix, extra_args: list[str]):
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result = (
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nix.nix(["develop", *extra_args, "--no-write-lock-file", ".#hello"])
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.with_stdin(b'echo "$SHELL"')
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.run()
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.ok()
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)
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assert Path(result.stdout_s.strip()).samefile(self.bash_interactive)
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@pytest.mark.parametrize("extra_args", [[], ["--ignore-environment"]])
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def test_sets_in_nix_shell(self, nix: Nix, extra_args: list[str]):
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result = (
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nix.nix(
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[
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"develop",
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"--no-write-lock-file",
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*extra_args,
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".#hello",
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"-c",
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"sh",
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"-c",
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"echo $IN_NIX_SHELL",
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]
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)
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.run()
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.ok()
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)
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assert result.stdout_s == "impure\n"
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@@ -0,0 +1,94 @@
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{ inNixShell ? false, contentAddressed ? false, fooContents ? "foo" }:
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let cfg = import ./config.nix; in
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with cfg;
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let
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mkDerivation =
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if contentAddressed then
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args: cfg.mkDerivation ({
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__contentAddressed = true;
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outputHashMode = "recursive";
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outputHashAlgo = "sha256";
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} // args)
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else cfg.mkDerivation;
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in
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let pkgs = rec {
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setupSh = builtins.toFile "setup" ''
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export VAR_FROM_STDENV_SETUP=foo
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for pkg in $buildInputs; do
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export PATH=$PATH:$pkg/bin
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done
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# mimic behavior of stdenv for `$out` etc. for structured attrs.
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if [ -n "''${NIX_ATTRS_SH_FILE}" ]; then
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for o in "''${!outputs[@]}"; do
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eval "''${o}=''${outputs[$o]}"
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export "''${o}"
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done
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fi
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declare -a arr1=(1 2 "3 4" 5)
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declare -a arr2=(x $'\n' $'x\ny')
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fun() {
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echo blabla
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}
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'';
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stdenv = mkDerivation {
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name = "stdenv";
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buildCommand = ''
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mkdir -p $out
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ln -s ${setupSh} $out/setup
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'';
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};
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shellDrv = mkDerivation {
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name = "shellDrv";
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builder = "/does/not/exist";
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VAR_FROM_NIX = "bar";
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ASCII_PERCENT = "%";
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ASCII_AT = "@";
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ASCII_ESC = "";
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TEST_inNixShell = if inNixShell then "true" else "false";
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inherit stdenv;
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outputs = ["dev" "out"];
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};
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# Used by nix-shell -p
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runCommand = name: args: buildCommand: mkDerivation (args // {
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inherit name buildCommand stdenv;
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});
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foo = runCommand "foo" {} ''
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mkdir -p $out/bin
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echo '#!${shell}' >> $out/bin/foo
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echo 'echo ${fooContents}' >> $out/bin/foo
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chmod a+rx $out/bin/foo
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ln -s ${shell} $out/bin/bash
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'';
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bar = runCommand "bar" {} ''
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mkdir -p $out/bin
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echo '#!${shell}' > $out/bin/bar
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echo 'echo bar' >> $out/bin/bar
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chmod a+rx $out/bin/bar
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'';
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bash = shell;
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bashInteractive = runCommand "bash" {} ''
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mkdir -p $out/bin
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ln -s ${shell} $out/bin/bash
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'';
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# ruby "interpreter" that outputs "$@"
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ruby = runCommand "ruby" {} ''
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mkdir -p $out/bin
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echo '#!${shell}' > $out/bin/ruby
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echo 'printf %s "$*"' >> $out/bin/ruby
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chmod a+rx $out/bin/ruby
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'';
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inherit pkgs;
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}; in pkgs
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