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Handle nixpkgs-unstable channel updates

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This commit is contained in:
Eelco Dolstra 2016-03-04 20:45:35 +01:00
parent a6ab71c2f9
commit f46cb14bb7
2 changed files with 29 additions and 94 deletions
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35
mirror-nixos-branch.pl
View file

@ -10,16 +10,16 @@ use JSON::PP;
use LWP::UserAgent; use LWP::UserAgent;
use List::MoreUtils qw(uniq); use List::MoreUtils qw(uniq);
my $branch = $ARGV[0]; my $channelName = $ARGV[0];
my $jobset = $ARGV[1]; my $releaseUrl = $ARGV[1];
my $isMainRelease = ($ARGV[2] // 0) eq 1; my $isMainRelease = ($ARGV[2] // 0) eq 1;
die "Usage: $0 BRANCH-NAME JOBSET_NAME [IS-MAIN-RELEASE]\n" unless defined $branch && defined $jobset; die "Usage: $0 CHANNEL-NAME RELEASE-URL [IS-MAIN-RELEASE]\n" unless defined $channelName && defined $releaseUrl;
my $releaseUrl = "https://hydra.nixos.org/job/nixos/$jobset/tested/latest-finished"; $channelName =~ /^([a-z]+)-(.*)$/ or die;
my $releasesDir = "/data/releases/nixos/$branch"; my $channelDirRel = $channelName eq "nixpkgs-unstable" ? "nixpkgs" : "$1/$2";
my $releasesDir = "/data/releases/$channelDirRel";
my $channelsDir = "/data/releases/channels"; my $channelsDir = "/data/releases/channels";
my $channelName = "nixos-$branch";
$ENV{'GIT_DIR'} = "/home/hydra-mirror/nixpkgs-channels"; $ENV{'GIT_DIR'} = "/home/hydra-mirror/nixpkgs-channels";
@ -74,11 +74,15 @@ if (-d $releaseDir) {
} }
# Copy the manual. # Copy the manual.
my $manualJob = $channelName =~ /nixos/ ? "nixos.manual.x86_64-linux" : "manual";
my $manualDir = $channelName =~ /nixos/ ? "nixos" : "nixpkgs";
if (! -e "$tmpDir/manual") { if (! -e "$tmpDir/manual") {
my $manualInfo = decode_json(fetch("$evalUrl/job/nixos.manual.x86_64-linux", 'application/json')); my $manualInfo = decode_json(fetch("$evalUrl/job/$manualJob", 'application/json'));
my $manualPath = $manualInfo->{buildoutputs}->{out}->{path} or die; my $manualPath = $manualInfo->{buildoutputs}->{out}->{path} or die;
system("nix-store", "-r", $manualPath) == 0 or die "unable to fetch $manualPath\n"; system("nix-store", "-r", $manualPath) == 0 or die "unable to fetch $manualPath\n";
system("cp", "-rd", "$manualPath/share/doc/nixos", "$tmpDir/manual") == 0 or die "unable to copy manual from $manualPath"; system("cp", "-rd", "$manualPath/share/doc/$manualDir", "$tmpDir/manual") == 0 or die "unable to copy manual from $manualPath";
system("chmod", "-R", "u+w", "$tmpDir/manual");
symlink("manual.html", "$tmpDir/manual/index.html") unless -e "$tmpDir/manual/index.html";
} }
sub downloadFile { sub downloadFile {
@ -108,10 +112,11 @@ if (-d $releaseDir) {
write_file("$dstFile.sha256", $sha256_expected); write_file("$dstFile.sha256", $sha256_expected);
} }
if ($channelName =~ /nixos/) {
downloadFile("nixos.channel", "nixexprs.tar.xz"); downloadFile("nixos.channel", "nixexprs.tar.xz");
downloadFile("nixos.iso_minimal.x86_64-linux"); downloadFile("nixos.iso_minimal.x86_64-linux");
if ($branch !~ /-small/) { if ($channelName !~ /-small/) {
downloadFile("nixos.iso_minimal.i686-linux"); downloadFile("nixos.iso_minimal.i686-linux");
downloadFile("nixos.iso_graphical.x86_64-linux"); downloadFile("nixos.iso_graphical.x86_64-linux");
downloadFile("nixos.iso_graphical.i686-linux"); downloadFile("nixos.iso_graphical.i686-linux");
@ -119,10 +124,14 @@ if (-d $releaseDir) {
downloadFile("nixos.ova.i686-linux"); downloadFile("nixos.ova.i686-linux");
} }
} else {
downloadFile("tarball", "nixexprs.tar.xz");
}
# Make "github-link" a redirect to the GitHub history of this # Make "github-link" a redirect to the GitHub history of this
# release. # release.
write_file("$tmpDir/.htaccess", write_file("$tmpDir/.htaccess",
"Redirect /releases/nixos/$branch/$releaseName/github-link https://github.com/NixOS/nixpkgs-channels/commits/$rev\n"); "Redirect /releases/$channelDirRel/$releaseName/github-link https://github.com/NixOS/nixpkgs-channels/commits/$rev\n");
write_file("$tmpDir/github-link", ""); write_file("$tmpDir/github-link", "");
# FIXME: Generate the programs.sqlite database and put it in nixexprs.tar.xz. # FIXME: Generate the programs.sqlite database and put it in nixexprs.tar.xz.
@ -137,8 +146,8 @@ flock($lockfile, LOCK_EX) or die "cannot acquire channels lock\n";
# Update the channel. # Update the channel.
my $htaccess = "$channelsDir/.htaccess-$channelName"; my $htaccess = "$channelsDir/.htaccess-$channelName";
write_file($htaccess, write_file($htaccess,
"Redirect /channels/$channelName /releases/nixos/$branch/$releaseName\n" . "Redirect /channels/$channelName /releases/$channelDirRel/$releaseName\n" .
"Redirect /releases/nixos/channels/$channelName /releases/nixos/$branch/$releaseName\n"); "Redirect /releases/nixos/channels/$channelName /releases/$channelDirRel/$releaseName\n");
my $channelLink = "$channelsDir/$channelName"; my $channelLink = "$channelsDir/$channelName";
unlink("$channelLink.tmp"); unlink("$channelLink.tmp");
@ -156,7 +165,7 @@ system("git push channels $rev:refs/heads/$channelName >&2") == 0 or die;
if ($isMainRelease) { if ($isMainRelease) {
my $baseURL = "/releases/nixos/$branch/$releaseName"; my $baseURL = "/releases/$channelDirRel/$releaseName";
my $res = "Redirect /releases/nixos/latest $baseURL\n"; my $res = "Redirect /releases/nixos/latest $baseURL\n";
sub add { sub add {

74
mirror-nixpkgs.sh
View file

@ -1,74 +0,0 @@
#! /bin/sh -e
releaseUrl=http://hydra.nixos.org/job/nixpkgs/trunk/unstable/latest-finished
releasesDir=/data/releases/nixpkgs
channelsDir=/data/releases/channels
channelName=nixpkgs-unstable
export GIT_DIR=/home/hydra-mirror/nixpkgs-channels
curl="curl --silent --show-error --fail"
json=$($curl -L -H 'Accept: application/json' $releaseUrl)
releaseId=$(echo "$json" | json id)
if [ -z "$releaseId" ]; then echo "Failed to get release id"; exit 1; fi
release=$(echo "$json" | json nixname)
if [ -z "$release" ]; then echo "Failed to get release"; exit 1; fi
url=$($curl --head http://hydra.nixos.org/build/$releaseId/eval | sed 's/Location: \(.*\)\r/\1/; t; d')
if [ -z "$url" ]; then exit 1; fi
releaseDir=$releasesDir/$release
echo "release is ‘$release’ (build $releaseId), eval is ‘$url’, dir is ‘$releaseDir’" >&2
# Figure out the Git revision from which this release was
# built. FIXME: get this from Hydra directly.
git remote update nixpkgs >&2
shortRev=$(echo "$release" | sed 's/.*\.//')
rev=$(git rev-parse "$shortRev")
echo "revision is $rev" >&2
if [ -d $releaseDir ]; then
echo "release already exists" >&2
else
tmpDir=$releasesDir/.tmp-$release-$$
mkdir -p $tmpDir
echo $url > $tmpDir/src-url
perl -w ./mirror-channel.pl "$url/channel" "$tmpDir" \
nix-cache https://cache.nixos.org \
"$url/job/tarball/download/1"
# Extract the manual.
$curl -L $url/job/manual/output/out | bzip2 -d | nix-store --restore $tmpDir/foo
mv $tmpDir/foo/share/doc/nixpkgs $tmpDir/manual
rm -rf $tmpDir/foo
ln -s manual.html $tmpDir/manual/index.html
mv $tmpDir $releaseDir
fi
# Prevent concurrent writes to the channels and the Git clone.
exec 10>$channelsDir/.htaccess.lock
flock 10
# Copy over to nixos.org.
cd "$releasesDir"
rsync -avR . hydra-mirror@nixos.org:"$releasesDir" --delete >&2
# Update the channel.
htaccess=$channelsDir/.htaccess-$channelName
echo "Redirect /channels/$channelName /releases/nixpkgs/$release" > $htaccess.tmp
echo "Redirect /releases/nixpkgs/channels/$channelName /releases/nixpkgs/$release" >> $htaccess.tmp # obsolete
mv $htaccess.tmp $htaccess
ln -sfn $releaseDir $channelsDir/$channelName # dummy symlink
cat $channelsDir/.htaccess-nix* > $channelsDir/.htaccess
cd "$channelsDir"
rsync -avR . hydra-mirror@nixos.org:"$channelsDir" --delete >&2
# Update the nixpkgs-channels repo.
git push nixpkgs-channels "$rev:refs/heads/nixpkgs-unstable" >&2