14f2e0cd36
* indentation, retab * url handling for alternative version names * handling for alt. download url format * made unknown channel error non-fatal
92 lines
3.5 KiB
Perl
Executable file
92 lines
3.5 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 $latest_build;
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# version as in download url
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my ($version) = $latest_build =~ /^<build [^>]*version="([^"]+)"/;
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my ($fullNumber) = $latest_build =~ /^<build [^>]*fullNumber="([^"]+)"/;
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my $latest_version_full1 = "$version-$fullNumber";
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$latest_version_full1 =~ s/\s*EAP//;
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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} = $latest_version;
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$h{"full1_" . $id} = $latest_version_full1;
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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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if ($latest_versions{$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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my $version_string = $latest_versions{$channel};
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unless ( $sha256 ) {
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my $full_version = $latest_versions{"full1_" . $channel};
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$url =~ s/$version_string/$full_version/;
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($sha256) = get("$url.sha256") =~ /^([0-9a-f]{64})/;
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$version_string = $full_version;
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}
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die "invalid sha256 in $url.sha256" unless $sha256;
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my ($sha256Base32) = readpipe("nix-hash --type sha256 --to-base32 $sha256");
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chomp $sha256Base32;
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print "Jetbrains published SHA256: $sha256\n";
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print "Conversion into base32 yields: $sha256Base32\n";
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$block =~ s#version\s*=\s*"([^"]+)".+$#version = "$version_string"; /* updated by script */#m;
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$block =~ s#sha256\s*=\s*"([^"]+)".+$#sha256 = "$sha256Base32"; /* updated by script */#m;
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}
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} else {
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warn "unknown update-channel $channel";
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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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