From 8f186722a97882ba41330684f37bfe8b8637eba8 Mon Sep 17 00:00:00 2001 From: Matthew Bauer Date: Wed, 14 Feb 2018 16:05:55 -0600 Subject: Set backup MANPATH in case man path isn’t set correctly. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Previously, this would fail at startup for non-NixOS installs: nix-env --help The fix for this is to just use "nixManDir" as the value for MANPATH when spawning "man". To test this, I’m using the following: $ nix-build release.nix -A build $ MANPATH= ./result/bin/nix-env --help Fixes #1627 --- src/libmain/shared.cc | 1 + 1 file changed, 1 insertion(+) (limited to 'src/libmain') diff --git a/src/libmain/shared.cc b/src/libmain/shared.cc index 90a4867163df..7d888202bbf1 100644 --- a/src/libmain/shared.cc +++ b/src/libmain/shared.cc @@ -262,6 +262,7 @@ void printVersion(const string & programName) void showManPage(const string & name) { restoreSignals(); + setenv("MANPATH", settings.nixManDir.c_str(), 1); execlp("man", "man", name.c_str(), NULL); throw SysError(format("command 'man %1%' failed") % name.c_str()); } -- cgit 1.4.1