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nix dev-shell: Less purity

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This commit is contained in:
Eelco Dolstra 2019-05-02 21:28:52 +02:00
parent 8ec77614f6
commit 7ba0f98e64
1 changed files with 7 additions and 0 deletions
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7
src/nix/shell.cc
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@ -124,6 +124,7 @@ struct Common : InstallableCommand
std::set<string> ignoreVars{
"BASHOPTS",
"EUID",
"HOME", // FIXME: don't ignore in pure mode?
"NIX_BUILD_TOP",
"NIX_ENFORCE_PURITY",
"PPID",
@ -134,11 +135,15 @@ struct Common : InstallableCommand
"TEMPDIR",
"TMP",
"TMPDIR",
"TZ",
"UID",
};
void makeRcScript(const BuildEnvironment & buildEnvironment, std::ostream & out)
{
out << "export IN_NIX_SHELL=1\n";
out << "nix_saved_PATH=\"$PATH\"\n";
for (auto & i : buildEnvironment.env) {
// FIXME: shellEscape
// FIXME: figure out what to export
@ -147,6 +152,8 @@ struct Common : InstallableCommand
out << fmt("export %s=%s\n", i.first, i.second);
}
out << "PATH=\"$PATH:$nix_saved_PATH\"\n";
for (auto & i : buildEnvironment.functions) {
out << fmt("%s () {\n%s\n}\n", i.first, i.second);
}