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authorDaniel Fullmer <danielrf12@gmail.com>2022-02-19 15:34:55 -0800
committerJonathan Ringer <jonringer@users.noreply.github.com>2022-02-27 15:59:39 -0800
commit0a8007498f9dba0d5feb191d16317ffa85a9e698 (patch)
tree4219b864f6e62fee2852f4290be922eccca73319 /pkgs
parentf4676c4cb05d63a23818d241d3c91be89ed29a83 (diff)
bash: use default PATH in FHS environments
If bash is executed within an environment where PATH is not set, it uses
the DEFAULT_PATH_VALUE compiled into bash to set PATH. In nixpkgs we set
this to /no-such-path by default. This makes sense in a nixpkgs/NixOS
environment since paths like /bin or /usr/bin should not be used.
However, when bash is used inside an FHS environment, this produces
results that differ from distributions which follow the FHS standard.

Before this change:
$ steam-run env -i /bin/bash -c 'echo $PATH'
/no-such-path

After this change:
$ steam-run env -i /bin/bash -c 'echo $PATH'
/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:.
Diffstat (limited to 'pkgs')
-rw-r--r--pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix2
-rw-r--r--pkgs/build-support/build-fhs-userenv/env.nix2
-rw-r--r--pkgs/shells/bash/5.1.nix3
-rw-r--r--pkgs/top-level/all-packages.nix6
4 files changed, 11 insertions, 2 deletions
diff --git a/pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix b/pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix
index 0051961d9f17a..1c4e2b607696b 100644
--- a/pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix
+++ b/pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix
@@ -41,7 +41,7 @@ let
   basePkgs = with pkgs;
     [ glibcLocales
       (if isMultiBuild then glibc_multi else glibc)
-      (toString gcc.cc.lib) bashInteractive coreutils less shadow su
+      (toString gcc.cc.lib) bashInteractiveFHS coreutils less shadow su
       gawk diffutils findutils gnused gnugrep
       gnutar gzip bzip2 xz
     ];
diff --git a/pkgs/build-support/build-fhs-userenv/env.nix b/pkgs/build-support/build-fhs-userenv/env.nix
index 44c8adb06e186..abf577baa2d1f 100644
--- a/pkgs/build-support/build-fhs-userenv/env.nix
+++ b/pkgs/build-support/build-fhs-userenv/env.nix
@@ -45,7 +45,7 @@ let
   basePkgs = with pkgs;
     [ glibcLocales
       (if isMultiBuild then glibc_multi else glibc)
-      (toString gcc.cc.lib) bashInteractive coreutils less shadow su
+      (toString gcc.cc.lib) bashInteractiveFHS coreutils less shadow su
       gawk diffutils findutils gnused gnugrep
       gnutar gzip bzip2 xz
     ];
diff --git a/pkgs/shells/bash/5.1.nix b/pkgs/shells/bash/5.1.nix
index 3a11858747e66..a30c9a4a5072b 100644
--- a/pkgs/shells/bash/5.1.nix
+++ b/pkgs/shells/bash/5.1.nix
@@ -10,6 +10,7 @@
 , readline81 ? null
 , withDocs ? false
 , texinfo ? null
+, forFHSEnv ? false
 }:
 
 with lib;
@@ -39,8 +40,10 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = ''
     -DSYS_BASHRC="/etc/bashrc"
     -DSYS_BASH_LOGOUT="/etc/bash_logout"
+  '' + optionalString (!forFHSEnv) ''
     -DDEFAULT_PATH_VALUE="/no-such-path"
     -DSTANDARD_UTILS_PATH="/no-such-path"
+  '' + ''
     -DNON_INTERACTIVE_LOGIN_SHELLS
     -DSSH_SOURCE_BASHRC
   '';
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index daf09b98bcff5..a29312d19b3da 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11550,6 +11550,12 @@ with pkgs;
     interactive = true;
     withDocs = true;
   };
+  bashInteractiveFHS = callPackage ../shells/bash/5.1.nix {
+    binutils = stdenv.cc.bintools;
+    interactive = true;
+    withDocs = true;
+    forFHSEnv = true;
+  };
 
   bash-completion = callPackage ../shells/bash/bash-completion { };