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Merge pull request #26769 from volth/jetbrains-update-script
jetbrains: update script
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| #!/usr/bin/env nix-shell | ||
| #!nix-shell -i perl -p perl perlPackages.LWP | ||
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|
||
| use strict; | ||
| use List::Util qw(reduce); | ||
| use File::Basename qw(dirname); | ||
| use LWP::Simple; | ||
|
|
||
| sub readFile { | ||
| my ($filename) = @_; | ||
| local $/ = undef; | ||
| open FILE, $filename or die "readFile($filename) failed: $!"; | ||
| binmode FILE; | ||
| my $data = <FILE>; | ||
| close FILE; | ||
| return $data; | ||
| } | ||
|
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||
| sub writeFile { | ||
| my ($filename, $content) = @_; | ||
| make_path(dirname($filename)) or die "$!" unless -d dirname($filename); | ||
| open FH, ">$filename" or die "writeFile($filename) failed: $!"; | ||
| binmode FH; # do not emit \r | ||
| print FH $content; | ||
| close FH; | ||
| } | ||
|
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||
| sub semantic_less { | ||
| my ($a, $b) = @_; | ||
| $a =~ s/\b(\d+)\b/sprintf("%010s", $1)/eg; | ||
| $b =~ s/\b(\d+)\b/sprintf("%010s", $1)/eg; | ||
| return $a lt $b; | ||
| } | ||
|
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| sub get_latest_versions { | ||
| my @channels = get("http://www.jetbrains.com/updates/updates.xml") =~ /(<channel .+?<\/channel>)/gs; | ||
| my %h = {}; | ||
| for my $ch (@channels) { | ||
| my ($id) = $ch =~ /^<channel id="([^"]+)"/; | ||
| my @builds = $ch =~ /(<build .+?<\/build>)/gs; | ||
| my $latest_build = reduce { | ||
| my ($aversion) = $a =~ /^<build [^>]*version="([^"]+)"/; die "no version in $a" unless $aversion; | ||
| my ($bversion) = $b =~ /^<build [^>]*version="([^"]+)"/; die "no version in $b" unless $bversion; | ||
| semantic_less($aversion, $bversion) ? $b : $a; | ||
| } @builds; | ||
| next unless $latest_build; | ||
|
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| # version as in download url | ||
| my ($latest_version) = $latest_build =~ /^<build [^>]*version="([^"]+)"/; | ||
| ($latest_version) = $latest_build =~ /^<build [^>]*fullNumber="([^"]+)"/ if $latest_version =~ / /; | ||
|
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| $h{$id} = $latest_version; | ||
| } | ||
| return %h; | ||
| } | ||
|
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| my %latest_versions = get_latest_versions(); | ||
| #for my $ch (sort keys %latest_versions) { | ||
| # print("$ch $latest_versions{$ch}\n"); | ||
| #} | ||
|
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| sub update_nix_block { | ||
| my ($block) = @_; | ||
| my ($channel) = $block =~ /update-channel\s*=\s*"([^"]+)"/; | ||
| if ($channel) { | ||
| die "unknown update-channel $channel" unless $latest_versions{$channel}; | ||
| my ($version) = $block =~ /version\s*=\s*"([^"]+)"/; | ||
| die "no version in $block" unless $version; | ||
| if ($version eq $latest_versions{$channel}) { | ||
| print("$channel is up to date at $version\n"); | ||
| } else { | ||
| print("updating $channel: $version -> $latest_versions{$channel}\n"); | ||
| my ($url) = $block =~ /url\s*=\s*"([^"]+)"/; | ||
| # try to interpret some nix | ||
| my ($name) = $block =~ /name\s*=\s*"([^"]+)"/; | ||
| $name =~ s/\$\{version\}/$latest_versions{$channel}/; | ||
| $url =~ s/\$\{name\}/$name/; | ||
| $url =~ s/\$\{version\}/$latest_versions{$channel}/; | ||
| die "$url still has some interpolation" if $url =~ /\$/; | ||
|
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| my ($sha256) = get("$url.sha256") =~ /^([0-9a-f]{64})/; | ||
| 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; | ||
| $block =~ s#sha256\s*=\s*"([^"]+)".+$#sha256 = "$sha256"; /* updated by script */#m; | ||
| } | ||
| } | ||
| return $block; | ||
| } | ||
|
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| my $nix = readFile 'default.nix'; | ||
| $nix =~ s/(= build\w+ rec \{.+?\};\n\n)/update_nix_block($1)/gse; | ||
| writeFile 'default.nix', $nix; |