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garage/nix/build_index.nix

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{
path ? "/../aws-list.txt",
}:
with import ./common.nix;
let
pkgs = import pkgsSrc {};
lib = pkgs.lib;
/* Converts a key list and a value list to a set
Example:
listToSet [ "name" "version" ] [ "latex" "3.14" ]
=> { name = "latex"; version = "3.14"; }
*/
listToSet = keys: values:
builtins.listToAttrs
(lib.zipListsWith
(a: b: { name = a; value = b; })
keys
values);
/* Says if datetime a is more recent than datetime b
Example:
cmpDate { date = "2021-09-10"; time = "22:12:15"; } { date = "2021-02-03"; time = "23:54:12"; }
=> true
*/
cmpDate = a: b:
let da = (builtins.head a.builds).date;
db = (builtins.head b.builds).date;
in
if da == db then (builtins.head a.builds).time > (builtins.head b.builds).time
else da > db;
/* Pretty platforms */
prettyPlatform = name:
if name == "aarch64-unknown-linux-musl" then "linux/arm64"
else if name == "armv6l-unknown-linux-musleabihf" then "linux/arm"
else if name == "x86_64-unknown-linux-musl" then "linux/amd64"
else if name == "i686-unknown-linux-musl" then "linux/386"
else name;
/* Parsing */
list = builtins.readFile (./. + path);
entries = lib.splitString "\n" list;
elems = builtins.filter
(e: (builtins.length e) == 4)
(map
(x: builtins.filter (e: e != "") (lib.splitString " " x))
entries);
keys = ["date" "time" "size" "path"];
parsed = map (entry: listToSet keys entry) elems;
subkeys = ["root" "version" "platform" "binary" ];
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builds = map (entry: entry // listToSet subkeys (lib.splitString "/" entry.path) // { url = "https://garagehq.deuxfleurs.fr/" + entry.path; }) parsed;
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/* Aggregation */
builds_per_version = lib.foldl (acc: v: acc // { ${v.version} = if builtins.hasAttr v.version acc then acc.${v.version} ++ [ v ] else [ v ]; }) {} builds;
versions = builtins.attrNames builds_per_version;
versions_release = builtins.filter (x: builtins.match "v[0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?" x != null) versions;
versions_commit = builtins.filter (x: builtins.match "[0-9a-f]{40}" x != null) versions;
versions_extra = lib.subtractLists (versions_release ++ versions_commit) versions;
sorted_builds = [
{
name = "Release";
hide = false;
type = "tag";
description = "Release builds are the official builds, they are tailored for productions and are the most tested.";
builds = builtins.sort (a: b: a.version > b.version) (map (x: { version = x; builds = builtins.getAttr x builds_per_version; }) versions_release);
}
{
name = "Extra";
hide = true;
type = "tag";
description = "Extra builds are built on demand to test a specific feature or a specific need.";
builds = builtins.sort cmpDate (map (x: { version = x; builds = builtins.getAttr x builds_per_version; }) versions_extra);
}
{
name = "Development";
hide = true;
type = "commit";
description = "Development builds are built periodically. Use them if you want to test a specific feature that is not yet released.";
builds = builtins.sort cmpDate (map (x: { version = x; builds = builtins.getAttr x builds_per_version; }) versions_commit);
}
];
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json = pkgs.writeTextDir "share/_releases.json" (builtins.toJSON sorted_builds);
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html = pkgs.writeTextDir "share/_releases.html" ''
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<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>Garage releases</title>
<style>
html, body { margin:0; padding: 0 }
body { font-family: 'Helvetica', Sans; }
section { margin: 1rem; }
ul { padding:0; margin: 0.2rem }
li {
border-radius: 0.2rem;
display: inline;
border: 2px #0b5d83 solid;
padding: 0.5rem;
line-height: 3rem;
color: #0b5d83;
}
li:hover { background-color: #0b5d83; color: #fff; }
li a, li a:hover { color: inherit; text-decoration: none }
</style>
</head>
<body>
${ builtins.toString (lib.forEach sorted_builds (r: ''
<section>
<h2>${r.name} builds</h2>
<p>${r.description}</p>
${if r.hide then "<details><summary>Show ${r.name} builds</summary>" else ""}
${ builtins.toString (lib.forEach r.builds (x: ''
<h3> ${x.version} (${(builtins.head x.builds).date}) </h3>
<p>See this build on</p>
<p> Binaries:
<ul>
${ builtins.toString (lib.forEach x.builds (b: ''
<li><a href="/${b.path}">${prettyPlatform b.platform}</a></li>
''))}
</ul></p>
<p> Sources:
<ul>
<li><a href="https://git.deuxfleurs.fr/Deuxfleurs/garage/src/${r.type}/${x.version}">gitea</a></li>
<li><a href="https://git.deuxfleurs.fr/Deuxfleurs/garage/archive/${x.version}.zip">.zip</a></li>
<li><a href="https://git.deuxfleurs.fr/Deuxfleurs/garage/archive/${x.version}.tar.gz">.tar.gz</a></li>
</ul></p>
'')) }
${ if builtins.length r.builds == 0 then "<em>There is no build for this category</em>" else "" }
${if r.hide then "</details>" else ""}
</section>
''))}
</body>
</html>
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'';
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in
pkgs.symlinkJoin {
name = "releases";
paths = [ json html ];
}