Merge pull request #8043 from bobvanderlinden/pr-shell-env

nix: develop: use SHELL from rc script
This commit is contained in:
Eelco Dolstra 2024-01-12 13:42:42 +01:00 committed by GitHub
commit 0d55d660d5
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4 changed files with 74 additions and 2 deletions

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@ -297,7 +297,6 @@ struct Common : InstallableCommand, MixProfile
"NIX_LOG_FD",
"NIX_REMOTE",
"PPID",
"SHELL",
"SHELLOPTS",
"SSL_CERT_FILE", // FIXME: only want to ignore /no-cert-file.crt
"TEMP",
@ -604,7 +603,7 @@ struct CmdDevelop : Common, MixEnvironment
setEnviron();
// prevent garbage collection until shell exits
setenv("NIX_GCROOT", gcroot.data(), 1);
setenv("NIX_GCROOT", gcroot.c_str(), 1);
Path shell = "bash";
@ -647,6 +646,10 @@ struct CmdDevelop : Common, MixEnvironment
ignoreException();
}
// Override SHELL with the one chosen for this environment.
// This is to make sure the system shell doesn't leak into the build environment.
setenv("SHELL", shell.c_str(), 1);
// If running a phase or single command, don't want an interactive shell running after
// Ctrl-C, so don't pass --rcfile
auto args = phase || !command.empty() ? Strings{std::string(baseNameOf(shell)), rcFilePath}

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@ -45,6 +45,7 @@ if [[ -n "${NIX_DAEMON_PACKAGE:-}" ]]; then
DAEMON_PATH="${NIX_DAEMON_PACKAGE}/bin:$DAEMON_PATH"
fi
coreutils=@coreutils@
lsof=@lsof@
export dot=@dot@
export SHELL="@bash@"

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@ -0,0 +1,67 @@
source ../common.sh
clearStore
rm -rf $TEST_HOME/.cache $TEST_HOME/.config $TEST_HOME/.local
# Create flake under test.
cp ../shell-hello.nix ../config.nix $TEST_HOME/
cat <<EOF >$TEST_HOME/flake.nix
{
inputs.nixpkgs.url = "$TEST_HOME/nixpkgs";
outputs = {self, nixpkgs}: {
packages.$system.hello = (import ./config.nix).mkDerivation {
name = "hello";
outputs = [ "out" "dev" ];
meta.outputsToInstall = [ "out" ];
buildCommand = "";
};
};
}
EOF
# Create fake nixpkgs flake.
mkdir -p $TEST_HOME/nixpkgs
cp ../config.nix ../shell.nix $TEST_HOME/nixpkgs
cat <<EOF >$TEST_HOME/nixpkgs/flake.nix
{
outputs = {self}: {
legacyPackages.$system.bashInteractive = (import ./shell.nix {}).bashInteractive;
};
}
EOF
cd $TEST_HOME
# Test whether `nix develop` passes through environment variables.
[[ "$(
ENVVAR=a nix develop --no-write-lock-file .#hello <<EOF
echo "\$ENVVAR"
EOF
)" = "a" ]]
# Test whether `nix develop --ignore-environment` does _not_ pass through environment variables.
[[ -z "$(
ENVVAR=a nix develop --ignore-environment --no-write-lock-file .#hello <<EOF
echo "\$ENVVAR"
EOF
)" ]]
# Determine the bashInteractive executable.
nix build --no-write-lock-file './nixpkgs#bashInteractive' --out-link ./bash-interactive
BASH_INTERACTIVE_EXECUTABLE="$PWD/bash-interactive/bin/bash"
# Test whether `nix develop` sets `SHELL` to nixpkgs#bashInteractive shell.
[[ "$(
SHELL=custom nix develop --no-write-lock-file .#hello <<EOF
echo "\$SHELL"
EOF
)" -ef "$BASH_INTERACTIVE_EXECUTABLE" ]]
# Test whether `nix develop` with ignore environment sets `SHELL` to nixpkgs#bashInteractive shell.
[[ "$(
SHELL=custom nix develop --ignore-environment --no-write-lock-file .#hello <<EOF
echo "\$SHELL"
EOF
)" -ef "$BASH_INTERACTIVE_EXECUTABLE" ]]
clearStore

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@ -2,6 +2,7 @@ nix_tests = \
test-infra.sh \
init.sh \
flakes/flakes.sh \
flakes/develop.sh \
flakes/run.sh \
flakes/mercurial.sh \
flakes/circular.sh \