diff options
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/local.mk | 2 | ||||
-rwxr-xr-x | scripts/nix-build.in | 359 |
2 files changed, 0 insertions, 361 deletions
diff --git a/scripts/local.mk b/scripts/local.mk index edaf44cc492d..142188ad5f47 100644 --- a/scripts/local.mk +++ b/scripts/local.mk @@ -1,5 +1,4 @@ nix_bin_scripts := \ - $(d)/nix-build \ $(d)/nix-channel \ $(d)/nix-copy-closure \ $(d)/nix-install-package \ @@ -26,6 +25,5 @@ $(eval $(call install-program-in, $(d)/build-remote.pl, $(libexecdir)/nix)) ifeq ($(OS), Darwin) $(eval $(call install-program-in, $(d)/resolve-system-dependencies.pl, $(libexecdir)/nix)) endif -$(eval $(call install-symlink, nix-build, $(bindir)/nix-shell)) clean-files += $(nix_bin_scripts) $(nix_noinst_scripts) diff --git a/scripts/nix-build.in b/scripts/nix-build.in deleted file mode 100755 index 2d45e37c52d6..000000000000 --- a/scripts/nix-build.in +++ /dev/null @@ -1,359 +0,0 @@ -#! @perl@ -w @perlFlags@ - -use utf8; -use strict; -use Nix::Config; -use Nix::Store; -use Nix::Utils; -use File::Basename; -use Text::ParseWords; -use Cwd; - -binmode STDERR, ":encoding(utf8)"; - -my $dryRun = 0; -my $verbose = 0; -my $runEnv = $0 =~ /nix-shell$/; -my $pure = 0; -my $fromArgs = 0; -my $packages = 0; -my $interactive = 1; - -my @instArgs = (); -my @buildArgs = (); -my @exprs = (); - -my $shell = $ENV{SHELL} || "/bin/sh"; -my $envCommand = ""; # interactive shell -my @envExclude = (); - -my $myName = $runEnv ? "nix-shell" : "nix-build"; - -my $inShebang = 0; -my $script; -my @savedArgs; - -my $tmpDir = mkTempDir($myName); - -my $outLink = "./result"; -my $drvLink = "$tmpDir/derivation"; - -# Ensure that the $tmpDir is deleted. -$SIG{'INT'} = sub { exit 1 }; - - -# Heuristic to see if we're invoked as a shebang script, namely, if we -# have a single argument, it's the name of an executable file, and it -# starts with "#!". -if ($runEnv && defined $ARGV[0] && $ARGV[0] !~ /nix-shell/) { - $script = $ARGV[0]; - if (-f $script && -x $script) { - open SCRIPT, "<$script" or die "$0: cannot open ‘$script’: $!\n"; - my $first = <SCRIPT>; - if ($first =~ /^\#\!/) { - $inShebang = 1; - @savedArgs = @ARGV; shift @savedArgs; - @ARGV = (); - while (<SCRIPT>) { - chomp; - if (/^\#\!\s*nix-shell (.*)$/) { - push @ARGV, shellwords($1); - } - } - } - close SCRIPT; - } -} - - -for (my $n = 0; $n < scalar @ARGV; $n++) { - my $arg = $ARGV[$n]; - - if ($arg eq "--help") { - exec "man $myName" or die; - } - - elsif ($arg eq "--version") { - print "$myName (Nix) $Nix::Config::version\n"; - exit 0; - } - - elsif ($arg eq "--add-drv-link") { - $drvLink = "./derivation"; - } - - elsif ($arg eq "--no-out-link" || $arg eq "--no-link") { - $outLink = "$tmpDir/result"; - } - - elsif ($arg eq "--drv-link") { - $n++; - die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV; - $drvLink = $ARGV[$n]; - } - - elsif ($arg eq "--out-link" || $arg eq "-o") { - $n++; - die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV; - $outLink = $ARGV[$n]; - } - - elsif ($arg eq "--attr" || $arg eq "-A" || $arg eq "-I") { - $n++; - die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV; - push @instArgs, ($arg, $ARGV[$n]); - } - - elsif ($arg eq "--arg" || $arg eq "--argstr") { - die "$0: ‘$arg’ requires two arguments\n" unless $n + 2 < scalar @ARGV; - push @instArgs, ($arg, $ARGV[$n + 1], $ARGV[$n + 2]); - $n += 2; - } - - elsif ($arg eq "--option") { - die "$0: ‘$arg’ requires two arguments\n" unless $n + 2 < scalar @ARGV; - push @instArgs, ($arg, $ARGV[$n + 1], $ARGV[$n + 2]); - push @buildArgs, ($arg, $ARGV[$n + 1], $ARGV[$n + 2]); - $n += 2; - } - - elsif ($arg eq "--max-jobs" || $arg eq "-j" || $arg eq "--max-silent-time" || $arg eq "--cores" || $arg eq "--timeout" || $arg eq '--add-root') { - $n++; - die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV; - push @buildArgs, ($arg, $ARGV[$n]); - } - - elsif ($arg eq "--dry-run") { - push @buildArgs, "--dry-run"; - $dryRun = 1; - } - - elsif ($arg eq "--show-trace") { - push @instArgs, $arg; - } - - elsif ($arg eq "-") { - @exprs = ("-"); - } - - elsif ($arg eq "--verbose" || substr($arg, 0, 2) eq "-v") { - push @buildArgs, $arg; - push @instArgs, $arg; - $verbose = 1; - } - - elsif ($arg eq "--quiet" || $arg eq "--repair") { - push @buildArgs, $arg; - push @instArgs, $arg; - } - - elsif ($arg eq "--check") { - push @buildArgs, $arg; - } - - elsif ($arg eq "--run-env") { # obsolete - $runEnv = 1; - } - - elsif ($arg eq "--command" || $arg eq "--run") { - $n++; - die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV; - $envCommand = "$ARGV[$n]\nexit"; - $interactive = 0 if $arg eq "--run"; - } - - elsif ($arg eq "--exclude") { - $n++; - die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV; - push @envExclude, $ARGV[$n]; - } - - elsif ($arg eq "--pure") { $pure = 1; } - elsif ($arg eq "--impure") { $pure = 0; } - - elsif ($arg eq "--expr" || $arg eq "-E") { - $fromArgs = 1; - push @instArgs, "--expr"; - } - - elsif ($arg eq "--packages" || $arg eq "-p") { - $packages = 1; - } - - elsif ($inShebang && $arg eq "-i") { - $n++; - die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV; - my $interpreter = $ARGV[$n]; - my $execArgs = ""; - - sub shellEscape { - my $s = $_; - $s =~ s/'/'\\''/g; - return "'" . $s . "'"; - } - - # Überhack to support Perl. Perl examines the shebang and - # executes it unless it contains the string "perl" or "indir", - # or (undocumented) argv[0] does not contain "perl". Exploit - # the latter by doing "exec -a". - if ($interpreter =~ /perl/) { - $execArgs = "-a PERL"; - } - - if ($interpreter =~ /ruby/) { - # Hack for Ruby. Ruby also examines the shebang. It tries to - # read the shebang to understand which packages to read from. Since - # this is handled via nix-shell -p, we wrap our ruby script execution - # in ruby -e 'load' which ignores the shebangs. - $envCommand = "exec $execArgs $interpreter -e 'load(\"$script\")' -- ${\(join ' ', (map shellEscape, @savedArgs))}"; - } else { - $envCommand = "exec $execArgs $interpreter $script ${\(join ' ', (map shellEscape, @savedArgs))}"; - } - } - - elsif (substr($arg, 0, 1) eq "-") { - push @buildArgs, $arg; - } - - elsif ($arg eq "-Q" || $arg eq "--no-build-output") { - push @buildArgs, $arg; - push @instArgs, $arg; - } - - else { - push @exprs, $arg; - } -} - -die "$0: ‘-p’ and ‘-E’ are mutually exclusive\n" if $packages && $fromArgs; - -if ($packages) { - push @instArgs, "--expr"; - @exprs = ( - 'with import <nixpkgs> { }; runCommand "shell" { buildInputs = [ ' - . (join " ", map { "($_)" } @exprs) . ']; } ""'); -} elsif (!$fromArgs) { - @exprs = ("shell.nix") if scalar @exprs == 0 && $runEnv && -e "shell.nix"; - @exprs = ("default.nix") if scalar @exprs == 0; -} - -$ENV{'IN_NIX_SHELL'} = 1 if $runEnv; - - -foreach my $expr (@exprs) { - - # Instantiate. - my @drvPaths; - if ($expr !~ /^\/.*\.drv$/) { - # If we're in a #! script, interpret filenames relative to the - # script. - $expr = dirname(Cwd::abs_path($script)) . "/" . $expr - if $inShebang && !$packages && $expr !~ /^\//; - - # !!! would prefer the perl 5.8.0 pipe open feature here. - my $pid = open(DRVPATHS, "-|") || exec "$Nix::Config::binDir/nix-instantiate", "--add-root", $drvLink, "--indirect", @instArgs, $expr; - while (<DRVPATHS>) {chomp; push @drvPaths, $_;} - if (!close DRVPATHS) { - die "nix-instantiate killed by signal " . ($? & 127) . "\n" if ($? & 127); - exit 1; - } - } else { - push @drvPaths, $expr; - } - - if ($runEnv) { - die "$0: a single derivation is required\n" if scalar @drvPaths != 1; - my $drvPath = $drvPaths[0]; - $drvPath = (split '!',$drvPath)[0]; - $drvPath = readlink $drvPath or die "cannot read symlink ‘$drvPath’" if -l $drvPath; - my $drv = derivationFromPath($drvPath); - - # Build or fetch all dependencies of the derivation. - my @inputDrvs = grep { my $x = $_; (grep { $x =~ $_ } @envExclude) == 0 } @{$drv->{inputDrvs}}; - system("$Nix::Config::binDir/nix-store", "-r", "--no-output", "--no-gc-warning", @buildArgs, @inputDrvs, @{$drv->{inputSrcs}}) == 0 - or die "$0: failed to build all dependencies\n"; - - # Set the environment. - my $tmp = $ENV{"TMPDIR"} // $ENV{"XDG_RUNTIME_DIR"} // "/tmp"; - if ($pure) { - foreach my $name (keys %ENV) { - next if grep { $_ eq $name } ("HOME", "USER", "LOGNAME", "DISPLAY", "PATH", "TERM", "IN_NIX_SHELL", "TZ", "PAGER", "NIX_BUILD_SHELL"); - delete $ENV{$name}; - } - # NixOS hack: prevent /etc/bashrc from sourcing /etc/profile. - $ENV{'__ETC_PROFILE_SOURCED'} = 1; - } - $ENV{'NIX_BUILD_TOP'} = $ENV{'TMPDIR'} = $ENV{'TEMPDIR'} = $ENV{'TMP'} = $ENV{'TEMP'} = $tmp; - $ENV{'NIX_STORE'} = $Nix::Config::storeDir; - $ENV{$_} = $drv->{env}->{$_} foreach keys %{$drv->{env}}; - - # Run a shell using the derivation's environment. For - # convenience, source $stdenv/setup to setup additional - # environment variables and shell functions. Also don't lose - # the current $PATH directories. - my $rcfile = "$tmpDir/rc"; - writeFile( - $rcfile, - "rm -rf '$tmpDir'; " . - 'unset BASH_ENV; ' . - '[ -n "$PS1" ] && [ -e ~/.bashrc ] && source ~/.bashrc; ' . - ($pure ? '' : 'p=$PATH; ' ) . - 'dontAddDisableDepTrack=1; ' . - '[ -e $stdenv/setup ] && source $stdenv/setup; ' . - ($pure ? '' : 'PATH=$PATH:$p; unset p; ') . - 'set +e; ' . - '[ -n "$PS1" ] && PS1="\n\[\033[1;32m\][nix-shell:\w]$\[\033[0m\] "; ' . - 'if [ "$(type -t runHook)" = function ]; then runHook shellHook; fi; ' . - 'unset NIX_ENFORCE_PURITY; ' . - 'unset NIX_INDENT_MAKE; ' . - 'shopt -u nullglob; ' . - 'unset TZ; ' . (defined $ENV{'TZ'} ? "export TZ='${ENV{'TZ'}}'; " : '') . - $envCommand); - $ENV{BASH_ENV} = $rcfile; - my @args = ($ENV{NIX_BUILD_SHELL} // "bash"); - push @args, "--rcfile" if $interactive; - push @args, $rcfile; - exec @args; - die; - } - - # Ugly hackery to make "nix-build -A foo.all" produce symlinks - # ./result, ./result-dev, and so on, rather than ./result, - # ./result-2-dev, and so on. This combines multiple derivation - # paths into one "/nix/store/drv-path!out1,out2,..." argument. - my $prevDrvPath = ""; - my @drvPaths2; - foreach my $drvPath (@drvPaths) { - my $p = $drvPath; my $output = "out"; - if ($drvPath =~ /(.*)!(.*)/) { - $p = $1; $output = $2; - } else { - $p = $drvPath; - } - my $target = readlink $p or die "cannot read symlink ‘$p’"; - print STDERR "derivation is $target\n" if $verbose; - if ($target eq $prevDrvPath) { - push @drvPaths2, (pop @drvPaths2) . "," . $output; - } else { - push @drvPaths2, $target . "!" . $output; - $prevDrvPath = $target; - } - } - - # Build. - my @outPaths; - my $pid = open(OUTPATHS, "-|") || exec "$Nix::Config::binDir/nix-store", "--add-root", $outLink, "--indirect", "-r", - @buildArgs, @drvPaths2; - while (<OUTPATHS>) {chomp; push @outPaths, $_;} - if (!close OUTPATHS) { - die "nix-store killed by signal " . ($? & 127) . "\n" if ($? & 127); - exit ($? >> 8 || 1); - } - - next if $dryRun; - - foreach my $outPath (@outPaths) { - my $target = readlink $outPath or die "cannot read symlink ‘$outPath’"; - print "$target\n"; - } -} |