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nixos-config/nixos/roles/git.nix
2021-05-18 16:33:28 +02:00

58 lines
2 KiB
Nix

{ config, pkgs, lib, ... }:
let
me = config.m-0.private.me;
update-command = [
"${pkgs.systemd}/bin/systemctl"
"restart"
"test-config.service"
"--no-block"
];
post-update = pkgs.writeHaskellScript
{
name = "post-update";
bins = [ pkgs.git pkgs.laminar ];
imports = [
"System.Environment (lookupEnv)"
"System.Directory (withCurrentDirectory)"
];
} ''
checkout :: String -> IO FilePath
checkout path = do
(decodeUtf8 -> repoDir) <- mktemp "-d" |> captureTrim
git "clone" path repoDir
pure repoDir
main = do
jobMay <- lookupEnv "GL_OPTION_CI_JOB"
whenJust jobMay $ \job -> do
args <- toString . Text.intercalate " " . fmap toText <$> getArgs
setEnv "LAMINAR_REASON" [i|Build triggered by push to branch #{args}|]
jobName <- decodeUtf8 <$> (laminarc ["queue", job, [i|BRANCH=#{args}|]] |> captureTrim)
say [i|Queued job #{jobName}.\nSee https://ci.maralorn.de/jobs/#{Text.replace ":" "/" jobName}|]
mirrorMay <- lookupEnv "GL_OPTION_MIRROR"
whenJust mirrorMay $ \mirror -> do
say [i|Force pushing all branches to #{mirror}|]
git "push" "--all" "-f" mirror
deployMay <- lookupEnv "GL_OPTION_WEB_DEPLOY"
whenJust deployMay $ \deploy -> do
(maybe [] (\x -> ["-A", x]) -> target) <- lookupEnv "GL_OPTION_WEB_DEPLOY_NIX_TARGET"
(decodeUtf8 -> path) <- pwd |> captureTrim
say [i|Building default.nix #{show target} to /var/www/#{deploy}|]
bracket (checkout path) (rm "-rf") $ \repoDir -> withCurrentDirectory repoDir $ nix_build "-o" ([i|/var/www/#{deploy}|] :: String) target
say "Done"
'';
in
{
systemd.tmpfiles.rules =
let cfg = config.services.gitolite;
in
lib.mkAfter
[ "z ${cfg.dataDir}/.ssh/id_ed25519 0600 ${cfg.user} ${cfg.group} - -" ];
services.gitolite = {
enable = true;
user = "git";
adminPubkey = builtins.elemAt (pkgs.privateValue [ "" ] "ssh-keys") 0;
commonHooks = [ "${post-update}/bin/post-update" ];
};
}