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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
#! @perl@ -w @perlFlags@
use strict;
use File::Temp qw(tempdir);
use Nix::Config;
sub usageError {
print STDERR <<EOF;
Usage: nix-install-package (FILE | --url URL)
Install a Nix Package (.nixpkg) either directly from FILE or by
downloading it from URL.
Flags:
--profile / -p LINK: install into the specified profile
--non-interactive: don't run inside a new terminal
EOF
; # '
exit 1;
}
# Parse the command line arguments.
my @args = @ARGV;
usageError if scalar @args == 0;
my $source;
my $fromURL = 0;
my @extraNixEnvArgs = ();
my $interactive = 1;
while (scalar @args) {
my $arg = shift @args;
if ($arg eq "--help") {
usageError;
}
elsif ($arg eq "--url") {
$fromURL = 1;
}
elsif ($arg eq "--profile" || $arg eq "-p") {
my $profile = shift @args;
usageError if !defined $profile;
push @extraNixEnvArgs, "-p", $profile;
}
elsif ($arg eq "--non-interactive") {
$interactive = 0;
}
else {
$source = $arg;
}
}
usageError unless defined $source;
# Re-execute in a terminal, if necessary, so that if we're executed
# from a web browser, the user gets to see us.
if ($interactive && !defined $ENV{"NIX_HAVE_TERMINAL"}) {
$ENV{"NIX_HAVE_TERMINAL"} = "1";
$ENV{"LD_LIBRARY_PATH"} = "";
foreach my $term ("xterm", "konsole", "gnome-terminal", "xterm") {
exec($term, "-e", "$Nix::Config::binDir/nix-install-package", @ARGV);
}
die "cannot execute `xterm'";
}
my $tmpDir = tempdir("nix-install-package.XXXXXX", CLEANUP => 1, TMPDIR => 1)
or die "cannot create a temporary directory";
sub barf {
my $msg = shift;
print "$msg\n";
<STDIN> if $interactive;
exit 1;
}
# Download the package description, if necessary.
my $pkgFile = $source;
if ($fromURL) {
$pkgFile = "$tmpDir/tmp.nixpkg";
system("@curl@", "--silent", $source, "-o", $pkgFile) == 0
or barf "curl failed: $?";
}
# Read and parse the package file.
open PKGFILE, "<$pkgFile" or barf "cannot open `$pkgFile': $!";
my $contents = <PKGFILE>;
close PKGFILE;
my $urlRE = "(?: [a-zA-Z][a-zA-Z0-9\+\-\.]*\:[a-zA-Z0-9\%\/\?\:\@\&\=\+\$\,\-\_\.\!\~\*\']+ )";
my $nameRE = "(?: [A-Za-z0-9\+\-\.\_\?\=]+ )"; # see checkStoreName()
my $systemRE = "(?: [A-Za-z0-9\+\-\_]+ )";
my $pathRE = "(?: \/ [\/A-Za-z0-9\+\-\.\_\?\=]* )";
# Note: $pathRE doesn't check that whether we're looking at a valid
# store path. We'll let nix-env do that.
$contents =~
/ ^ \s* (\S+) \s+ ($urlRE) \s+ ($nameRE) \s+ ($systemRE) \s+ ($pathRE) \s+ ($pathRE) /x
or barf "invalid package contents";
my $version = $1;
my $manifestURL = $2;
my $drvName = $3;
my $system = $4;
my $drvPath = $5;
my $outPath = $6;
barf "invalid package version `$version'" unless $version eq "NIXPKG1";
if ($interactive) {
# Ask confirmation.
print "Do you want to install `$drvName' (Y/N)? ";
my $reply = <STDIN>;
chomp $reply;
exit if $reply ne "y" && $reply ne "Y";
}
# Store the manifest in the temporary directory so that we don't
# pollute /nix/var/nix/manifests. This also requires that we don't
# use the Nix daemon (because otherwise download-using-manifests won't
# see our NIX_MANIFESTS_DIRS environment variable).
$ENV{NIX_MANIFESTS_DIR} = $tmpDir;
$ENV{NIX_REMOTE} = "";
print "\nPulling manifests...\n";
system("$Nix::Config::binDir/nix-pull", $manifestURL) == 0
or barf "nix-pull failed: $?";
print "\nInstalling package...\n";
system("$Nix::Config::binDir/nix-env", "--install", $outPath, "--force-name", $drvName, @extraNixEnvArgs) == 0
or barf "nix-env failed: $?";
if ($interactive) {
print "\nInstallation succeeded! Press Enter to continue.\n";
<STDIN>;
}
|
