forked from lix-project/lix
111 lines
2.3 KiB
Perl
Executable file
111 lines
2.3 KiB
Perl
Executable file
#! /usr/bin/perl -w
|
|
|
|
use strict;
|
|
|
|
my @paths = `nix-store -qR /home/eelco/.nix-profile/bin/firefox`;
|
|
|
|
my %copyMap;
|
|
my %rewriteMap;
|
|
|
|
|
|
my $counter = 0;
|
|
|
|
foreach my $path (@paths) {
|
|
chomp $path;
|
|
|
|
$path =~ /^(.*)\/([^-]+)-(.*)$/ or die "invalid store path `$path'";
|
|
my $hash = $2;
|
|
|
|
# my $newHash = "deadbeef" . (sprintf "%024d", $counter++);
|
|
my $newHash = "deadbeef" . substr($hash, 0, 24);
|
|
my $newPath = "/home/eelco/chroot/$1/$newHash-$3";
|
|
|
|
die unless length $newHash == length $hash;
|
|
|
|
$copyMap{$path} = $newPath;
|
|
$rewriteMap{$hash} = $newHash;
|
|
}
|
|
|
|
|
|
my %rewriteMap2;
|
|
|
|
|
|
sub rewrite;
|
|
sub rewrite {
|
|
my $src = shift;
|
|
my $dst = shift;
|
|
|
|
if (-l $dst) {
|
|
|
|
my $target = readlink $dst or die;
|
|
|
|
foreach my $srcHash (keys %rewriteMap2) {
|
|
my $dstHash = $rewriteMap{$srcHash};
|
|
print " $srcHash -> $dstHash\n";
|
|
$target =~ s/$srcHash/$dstHash/g;
|
|
}
|
|
|
|
unlink $dst or die;
|
|
|
|
symlink $target, $dst;
|
|
|
|
}
|
|
|
|
elsif (-f $dst) {
|
|
|
|
print "$dst\n";
|
|
|
|
foreach my $srcHash (keys %rewriteMap2) {
|
|
my $dstHash = $rewriteMap{$srcHash};
|
|
print " $srcHash -> $dstHash\n";
|
|
|
|
my @stats = lstat $dst or die;
|
|
|
|
system "sed s/$srcHash/$dstHash/g < '$dst' > '$dst.tmp'";
|
|
die if $? != 0;
|
|
rename "$dst.tmp", $dst or die;
|
|
|
|
chmod $stats[2], $dst or die;
|
|
}
|
|
|
|
}
|
|
|
|
elsif (-d $dst) {
|
|
|
|
chmod 0755, $dst;
|
|
|
|
opendir(DIR, "$dst") or die "cannot open `$dst': $!";
|
|
my @files = readdir DIR;
|
|
closedir DIR;
|
|
|
|
foreach my $file (@files) {
|
|
next if $file eq "." || $file eq "..";
|
|
rewrite "$src/$file", "$dst/$file";
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
foreach my $src (keys %copyMap) {
|
|
my $dst = $copyMap{$src};
|
|
print "$src -> $dst\n";
|
|
|
|
if (!-e $dst) {
|
|
system "cp -prd $src $dst";
|
|
die if $? != 0;
|
|
|
|
my @refs = `nix-store -q --references $src`;
|
|
|
|
%rewriteMap2 = ();
|
|
foreach my $ref (@refs) {
|
|
chomp $ref;
|
|
|
|
$ref =~ /^(.*)\/([^-]+)-(.*)$/ or die "invalid store path `$ref'";
|
|
my $hash = $2;
|
|
|
|
$rewriteMap2{$hash} = $rewriteMap{$hash};
|
|
}
|
|
|
|
rewrite $src, $dst;
|
|
}
|
|
}
|