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e7ea52d3b3
The script nix-install-package takes a `Nix package file' (which contains one or more derivations, along with URLs of Nix caches), unpacks it, pulls the caches, and installs the derivations in the user's environment. For best results, associate the command `xterm -e /nix/bin/nix-install-package' with the MIME type `application/x-nix-package' and visit http://losser.st-lab.cs.uu.nl/~eelco/test/.
38 lines
775 B
Perl
38 lines
775 B
Perl
#! /usr/bin/perl -w
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use strict;
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use POSIX qw(tmpnam);
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my $pkgfile = $ARGV[0];
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die unless defined $pkgfile;
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my $tmpdir;
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do { $tmpdir = tmpnam(); }
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until mkdir $tmpdir, 0777;
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# !!! remove tmpdir on exit
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print "unpacking $pkgfile in $tmpdir...\n";
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system "bunzip2 < $pkgfile | (cd $tmpdir && tar xf -)";
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die if $?;
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print "this package contains the following derivations:\n";
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system "nix-env -qsf $tmpdir/default.nix";
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die if $?;
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print "do you wish to install them (y/n)? ";
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my $reply = <STDIN>;
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chomp $reply;
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exit if (!($reply eq "y"));
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print "pulling caches...\n";
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system "nix-pull `cat $tmpdir/caches`";
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die if $?;
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print "installing package...\n";
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system "nix-env -i $tmpdir/default.nix '*'";
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die if $?;
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print "installing succeeded! (enter to continue)\n";
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<STDIN>;
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