tweak the PATH variable to better match what NixOS provides

This commit is contained in:
Aaron Andersen 2018-08-27 15:24:10 +00:00
parent fc1f33bc2c
commit 4d89adcd72
2 changed files with 39 additions and 2 deletions

View file

@ -7,10 +7,11 @@ stdenv.mkDerivation rec {
sha256 = "14cgsfyl43pd86wy40m1xwr7ww023n2jyks66ngybz5s4gbhps6c";
};
patchPhase = ''
patches = [ ./default_path.patch ];
prePatch = ''
sed -i "s|PREFIX = /usr/local|PREFIX = $out|g" Makefile
sed -i "s|/bin/bash|${bash}/bin/bash|g" usertable.cpp
sed -i "s|/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin|/run/current-system/sw/bin|g" usertable.cpp
'';
installPhase = ''

View file

@ -0,0 +1,36 @@
diff --git usertable.cpp usertable.cpp
index 11fd04b..a8681bd 100644
--- a/usertable.cpp
+++ b/usertable.cpp
@@ -43,9 +43,6 @@
#define DONT_FOLLOW(mask) (false)
#endif // IN_DONT_FOLLOW
-// this is not enough, but...
-#define DEFAULT_PATH "/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin"
-
PROC_MAP UserTable::s_procMap;
@@ -597,12 +594,20 @@ void UserTable::RunAsUser(std::string cmd) const
if (clearenv() != 0)
goto failed;
+ // try to recreate the user path as best as possible
+ std::string DEFAULT_PATH;
+ DEFAULT_PATH += "/run/wrappers/bin:/home/";
+ DEFAULT_PATH += pwd->pw_name;
+ DEFAULT_PATH += "/.nix-profile/bin:/nix/var/nix/profiles/default/bin:/run/current-system/sw/bin:/etc/profiles/per-user/";
+ DEFAULT_PATH += pwd->pw_name;
+ DEFAULT_PATH += "/bin";
+
if ( setenv("LOGNAME", pwd->pw_name, 1) != 0
|| setenv("USER", pwd->pw_name, 1) != 0
|| setenv("USERNAME", pwd->pw_name, 1) != 0
|| setenv("HOME", pwd->pw_dir, 1) != 0
|| setenv("SHELL", pwd->pw_shell, 1) != 0
- || setenv("PATH", DEFAULT_PATH, 1) != 0)
+ || setenv("PATH", DEFAULT_PATH.c_str(), 1) != 0)
{
goto failed;
}