From 438e02529dfb4b26603e2a06992df977cd80ecd9 Mon Sep 17 00:00:00 2001 From: Samuel Dionne-Riel Date: Wed, 1 Aug 2018 21:28:49 -0400 Subject: Allows selectively adding environment variables to pure shells. Includes documentation and test. --- src/nix-build/nix-build.cc | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'src/nix-build') diff --git a/src/nix-build/nix-build.cc b/src/nix-build/nix-build.cc index de0e9118fd21..a7ec206aa87e 100755 --- a/src/nix-build/nix-build.cc +++ b/src/nix-build/nix-build.cc @@ -99,6 +99,9 @@ void mainWrapped(int argc, char * * argv) std::string outLink = "./result"; + // List of environment variables kept for --pure + std::set keepVars{"HOME", "USER", "LOGNAME", "DISPLAY", "PATH", "TERM", "IN_NIX_SHELL", "TZ", "PAGER", "NIX_BUILD_SHELL", "SHLVL"}; + Strings args; for (int i = 1; i < argc; ++i) args.push_back(argv[i]); @@ -218,6 +221,9 @@ void mainWrapped(int argc, char * * argv) } } + else if (*arg == "--keep") + keepVars.insert(getArg(*arg, arg, end)); + else if (*arg == "-") readStdin = true; @@ -368,7 +374,6 @@ void mainWrapped(int argc, char * * argv) auto tmp = getEnv("TMPDIR", getEnv("XDG_RUNTIME_DIR", "/tmp")); if (pure) { - std::set keepVars{"HOME", "USER", "LOGNAME", "DISPLAY", "PATH", "TERM", "IN_NIX_SHELL", "TZ", "PAGER", "NIX_BUILD_SHELL", "SHLVL"}; decltype(env) newEnv; for (auto & i : env) if (keepVars.count(i.first)) -- cgit 1.4.1