0a8007498f
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 $PATH' /usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:.
138 lines
3.8 KiB
Nix
138 lines
3.8 KiB
Nix
{ lib, stdenv
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, buildPackages
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, fetchurl
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, binutils ? null
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, bison
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, util-linux
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# patch for cygwin requires readline support
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, interactive ? stdenv.isCygwin
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, readline81 ? null
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, withDocs ? false
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, texinfo ? null
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, forFHSEnv ? false
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}:
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with lib;
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assert interactive -> readline81 != null;
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assert withDocs -> texinfo != null;
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assert stdenv.hostPlatform.isDarwin -> binutils != null;
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let
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upstreamPatches = import ./bash-5.1-patches.nix (nr: sha256: fetchurl {
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url = "mirror://gnu/bash/bash-5.1-patches/bash51-${nr}";
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inherit sha256;
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});
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in
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stdenv.mkDerivation rec {
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name = "bash-${optionalString interactive "interactive-"}${version}-p${toString (builtins.length upstreamPatches)}";
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version = "5.1";
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src = fetchurl {
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url = "mirror://gnu/bash/bash-${version}.tar.gz";
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sha256 = "1alv68wplnfdm6mh39hm57060xgssb9vqca4yr1cyva0c342n0fc";
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};
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hardeningDisable = [ "format" ];
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outputs = [ "out" "dev" "man" "doc" "info" ];
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NIX_CFLAGS_COMPILE = ''
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-DSYS_BASHRC="/etc/bashrc"
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-DSYS_BASH_LOGOUT="/etc/bash_logout"
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'' + optionalString (!forFHSEnv) ''
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-DDEFAULT_PATH_VALUE="/no-such-path"
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-DSTANDARD_UTILS_PATH="/no-such-path"
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'' + ''
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-DNON_INTERACTIVE_LOGIN_SHELLS
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-DSSH_SOURCE_BASHRC
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'';
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patchFlags = [ "-p0" ];
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patches = upstreamPatches
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++ [ ./pgrp-pipe-5.1.patch ];
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configureFlags = [
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(if interactive then "--with-installed-readline" else "--disable-readline")
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] ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
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"bash_cv_job_control_missing=nomissing"
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"bash_cv_sys_named_pipes=nomissing"
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"bash_cv_getcwd_malloc=yes"
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] ++ optionals stdenv.hostPlatform.isCygwin [
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"--without-libintl-prefix"
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"--without-libiconv-prefix"
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"--with-installed-readline"
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"bash_cv_dev_stdin=present"
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"bash_cv_dev_fd=standard"
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"bash_cv_termcap_lib=libncurses"
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] ++ optionals (stdenv.hostPlatform.libc == "musl") [
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"--without-bash-malloc"
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"--disable-nls"
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];
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# Note: Bison is needed because the patches above modify parse.y.
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depsBuildBuild = [ buildPackages.stdenv.cc ];
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nativeBuildInputs = [ bison ]
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++ optional withDocs texinfo
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++ optional stdenv.hostPlatform.isDarwin binutils;
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buildInputs = optional interactive readline81;
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enableParallelBuilding = true;
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makeFlags = optional stdenv.hostPlatform.isCygwin [
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"LOCAL_LDFLAGS=-Wl,--export-all,--out-implib,libbash.dll.a"
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"SHOBJ_LIBS=-lbash"
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];
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checkInputs = [ util-linux ];
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doCheck = false; # dependency cycle, needs to be interactive
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postInstall = ''
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ln -s bash "$out/bin/sh"
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rm -f $out/lib/bash/Makefile.inc
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'';
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postFixup =
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if interactive
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then ''
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substituteInPlace "$out/bin/bashbug" \
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--replace '${stdenv.shell}' "$out/bin/bash"
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''
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# most space is taken by locale data
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else ''
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rm -rf "$out/share" "$out/bin/bashbug"
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'';
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meta = with lib; {
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homepage = "https://www.gnu.org/software/bash/";
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description =
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"GNU Bourne-Again Shell, the de facto standard shell on Linux" +
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(if interactive then " (for interactive use)" else "");
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longDescription = ''
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Bash is the shell, or command language interpreter, that will
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appear in the GNU operating system. Bash is an sh-compatible
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shell that incorporates useful features from the Korn shell
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(ksh) and C shell (csh). It is intended to conform to the IEEE
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POSIX P1003.2/ISO 9945.2 Shell and Tools standard. It offers
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functional improvements over sh for both programming and
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interactive use. In addition, most sh scripts can be run by
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Bash without modification.
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'';
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license = licenses.gpl3Plus;
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platforms = platforms.all;
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maintainers = with maintainers; [ dtzWill ];
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mainProgram = "bash";
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};
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passthru = {
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shellPath = "/bin/bash";
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};
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}
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