mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-11-16 18:37:04 +03:00
75 lines
2.6 KiB
Perl
Executable File
75 lines
2.6 KiB
Perl
Executable File
#!/usr/bin/env nix-shell
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#!nix-shell -i perl -p perl perlPackages.LWPProtocolhttps perlPackages.FileSlurp
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use strict;
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use List::Util qw(reduce);
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use File::Slurp;
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use LWP::Simple;
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sub semantic_less {
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my ($a, $b) = @_;
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$a =~ s/\b(\d+)\b/sprintf("%010s", $1)/eg;
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$b =~ s/\b(\d+)\b/sprintf("%010s", $1)/eg;
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return $a lt $b;
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}
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sub get_latest_versions {
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my @channels = get("http://www.jetbrains.com/updates/updates.xml") =~ /(<channel .+?<\/channel>)/gs;
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my %h = {};
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for my $ch (@channels) {
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my ($id) = $ch =~ /^<channel id="([^"]+)"/;
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my @builds = $ch =~ /(<build .+?<\/build>)/gs;
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my $latest_build = reduce {
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my ($aversion) = $a =~ /^<build [^>]*version="([^"]+)"/; die "no version in $a" unless $aversion;
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my ($bversion) = $b =~ /^<build [^>]*version="([^"]+)"/; die "no version in $b" unless $bversion;
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semantic_less($aversion, $bversion) ? $b : $a;
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} @builds;
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next unless $latest_build;
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# version as in download url
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my ($latest_version) = $latest_build =~ /^<build [^>]*version="([^"]+)"/;
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($latest_version) = $latest_build =~ /^<build [^>]*fullNumber="([^"]+)"/ if $latest_version =~ / /;
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$h{$id} = $latest_version;
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}
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return %h;
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}
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my %latest_versions = get_latest_versions();
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#for my $ch (sort keys %latest_versions) {
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# print("$ch $latest_versions{$ch}\n");
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#}
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sub update_nix_block {
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my ($block) = @_;
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my ($channel) = $block =~ /update-channel\s*=\s*"([^"]+)"/;
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if ($channel) {
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die "unknown update-channel $channel" unless $latest_versions{$channel};
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my ($version) = $block =~ /version\s*=\s*"([^"]+)"/;
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die "no version in $block" unless $version;
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if ($version eq $latest_versions{$channel}) {
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print("$channel is up to date at $version\n");
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} else {
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print("updating $channel: $version -> $latest_versions{$channel}\n");
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my ($url) = $block =~ /url\s*=\s*"([^"]+)"/;
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# try to interpret some nix
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my ($name) = $block =~ /name\s*=\s*"([^"]+)"/;
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$name =~ s/\$\{version\}/$latest_versions{$channel}/;
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$url =~ s/\$\{name\}/$name/;
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$url =~ s/\$\{version\}/$latest_versions{$channel}/;
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die "$url still has some interpolation" if $url =~ /\$/;
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my ($sha256) = get("$url.sha256") =~ /^([0-9a-f]{64})/;
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die "invalid sha256 in $url.sha256" unless $sha256;
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$block =~ s#version\s*=\s*"([^"]+)".+$#version = "$latest_versions{$channel}"; /* updated by script */#m;
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$block =~ s#sha256\s*=\s*"([^"]+)".+$#sha256 = "$sha256"; /* updated by script */#m;
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}
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}
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return $block;
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}
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my $nix = read_file 'default.nix';
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$nix =~ s/(= build\w+ rec \{.+?\};\n\n)/update_nix_block($1)/gse;
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write_file 'default.nix', $nix;
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