blob: 2e8be2d41f32462363f748bbbf1938d8e3171261 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
#! /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;
}
}
|
