diff options
Diffstat (limited to 'scripts/resolve-system-dependencies.pl.in')
-rwxr-xr-x | scripts/resolve-system-dependencies.pl.in | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/scripts/resolve-system-dependencies.pl.in b/scripts/resolve-system-dependencies.pl.in deleted file mode 100755 index a20f0dc02..000000000 --- a/scripts/resolve-system-dependencies.pl.in +++ /dev/null @@ -1,122 +0,0 @@ -#! @perl@ -w @perlFlags@ - -use utf8; -use strict; -use warnings; -use Cwd qw(realpath); -use Errno; -use File::Basename qw(dirname); -use File::Path qw(make_path); -use File::Spec::Functions qw(catfile); -use List::Util qw(reduce); -use IPC::Open3; -use Nix::Config; -use Nix::Store qw(derivationFromPath); -use POSIX qw(uname); -use Storable qw(lock_retrieve lock_store); - -my ($sysname, undef, $version, undef, $machine) = uname; -$sysname =~ /Darwin/ or die "This tool is only meant to be used on Darwin systems."; - -my $cache = "$Nix::Config::stateDir/dependency-maps/$machine-$sysname-$version.map"; - -make_path dirname($cache); - -our $DEPS; -eval { - $DEPS = lock_retrieve($cache); -}; - -if($!{ENOENT}) { - lock_store {}, $cache; - $DEPS = {}; -} elsif($@) { - die "Unable to obtain a lock on dependency-map file $cache: $@"; -} - -sub mkset(@) { - my %set; - @set{@_} = (); - \%set -} - -sub union($$) { - my ($set1, $set2) = @_; - my %new = (%$set1, %$set2); - \%new -} - -sub cache_filepath($) { - my $fp = shift; - $fp =~ s/-/--/g; - $fp =~ s/\//-/g; - $fp =~ s/^-//g; - catfile $cache, $fp -} - -sub resolve_tree { - sub resolve_tree_inner { - my ($lib, $TREE) = @_; - return if (defined $TREE->{$lib}); - $TREE->{$lib} = mkset(@{cache_get($lib)}); - foreach my $dep (keys %{$TREE->{$lib}}) { - resolve_tree_inner($dep, $TREE); - } - values %$TREE - } - - reduce { union($a, $b) } {}, resolve_tree_inner(@_) -} - -sub cache_get { - my $key = shift; - if (defined $DEPS->{$key}) { - $DEPS->{$key} - } else { - cache_insert($key); - cache_get($key) - } -} - -sub cache_insert($) { - my $key = shift; - print STDERR "Finding dependencies for $key...\n"; - my @deps = find_deps($key); - $DEPS->{$key} = \@deps; -} - -sub find_deps($) { - my $lib = shift; - my($chld_in, $chld_out, $chld_err); - my $pid = open3($chld_in, $chld_out, $chld_err, "@otool@", "-L", "-arch", "x86_64", $lib); - waitpid($pid, 0); - my $line = readline $chld_out; - if($? == 0 and $line !~ /not an object file/) { - my @libs; - while(<$chld_out>) { - my $dep = (split /\s+/)[1]; - push @libs, $dep unless $dep eq $lib or $dep =~ /\@rpath/; - } - @libs - } elsif (-l $lib) { - (realpath($lib)) - } else { - () - } -} - -if (defined $ARGV[0]) { - my $deps = derivationFromPath($ARGV[0])->{"env"}->{"__impureHostDeps"}; - if (defined $deps) { - my @files = split(/\s+/, $deps); - my $depcache = {}; - my $depset = reduce { union($a, $b) } (map { resolve_tree($_, $depcache) } @files); - print "extra-chroot-dirs\n"; - print join("\n", keys %$depset); - print "\n"; - } - lock_store($DEPS, $cache); -} else { - print STDERR "Usage: $0 path/to/derivation.drv\n"; - exit 1 -} |