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{ config, lib, pkgs, ... }:
let
stagitFunctions = pkgs.writeShellScript "stagitFunctions" ''
export LC_CTYPE="en_US.UTF-8"
is_public_and_listed() {
if [ ! -f "$1/git-daemon-export-ok" ]; then
return 1
fi
return 0
}
is_forced_update() {
test "$oldrev" = "0000000000000000000000000000000000000000" && return 1
test "$newrev" = "0000000000000000000000000000000000000000" && return 1
hasrevs="$(${pkgs.git}/bin/git rev-list "$oldrev" "^$newrev" | ${pkgs.gnused}/bin/sed 1q)"
if test -n "$hasrevs"; then
return 0
fi
return 1
}
build_stagit_repo() {
reponame="$(basename "$1" ".git")"
printf "[%s] Generate stagit HTML pages... " "$reponame"
mkdir -p "/var/lib/gitolite/stagit-cache"
mkdir -p "/var/lib/stagit/$reponame"
cd "/var/lib/stagit/$reponame" || return 1
# build repo pages
${pkgs.stagit}/bin/stagit -c "/var/lib/gitolite/stagit-cache/$reponame" -n 'ctucx.git' -h 'https://git.ctu.cx/' -s 'git@${config.networking.hostName}.ctu.cx:' "$1"
# set correct permissions
chown git:git -R /var/lib/stagit/$reponame;
chmod 755 -R /var/lib/stagit/$reponame;
echo "done"
}
build_stagit_index() {
printf "Generating stagit index... "
# set assets if not already there
ln -sf "${pkgs.stagit}/share/doc/stagit/style.css" "/var/lib/stagit/style.css" 2> /dev/null
# generate index arguments
args="-n 'ctucx.git' -e 'git@ctu.cx'"
for category in "nix" "etc" "nimlang" "nimlang libraries" "archive"; do
args="$args -c '$category'"
for repo in "$HOME/repositories/"*.git/; do
repo="''${repo%/}"
is_public_and_listed "$repo" || continue
[ "$(${pkgs.gawk}/bin/awk -F '=' '/category/ {print $2}' $repo/config | ${pkgs.gnused}/bin/sed -e 's/^[[:space:]]*//')" = "$category" ] && args="$args $repo"
done
done
# build index
echo "$args" | xargs ${pkgs.stagit}/bin/stagit-index > /var/lib/stagit/index.html
# set correct permissions
chown git:git /var/lib/stagit/index.html;
chmod 755 /var/lib/stagit/index.html;
echo "done"
}
update_stagit_repo() {
repo="$(pwd)"
reponame="$(basename "$repo" ".git")"
cd "$repo" || return 1
is_public_and_listed "$repo" || return 0
# if forced update, remove directory and cache file
is_forced_update && printf "[%s] Forced update, trigger complete regeneration of stagit-pages... \n" "$reponame" && rm -rf "/var/lib/stagit/$reponame" "/var/lib/gitolite/stagit-cache/$reponame"
build_stagit_repo "$repo"
build_stagit_index
}
'';
rebuildWebdir = ''
source ${stagitFunctions}
# clear webdir
rm -rf /var/lib/stagit/*
# clear cache
rm -rf /var/lib/gitolite/stagit-cache/*
# generate pages per repo
for repo in "$HOME/repositories/"*.git/; do
repo="''${repo%/}"
is_public_and_listed "$repo" || continue
build_stagit_repo "$repo"
done
# generate index page
build_stagit_index
'';
in {
services.openssh.settings.Macs = [
"hmac-sha2-512"
"hmac-sha2-512-etm@openssh.com"
"hmac-sha2-256-etm@openssh.com"
"umac-128-etm@openssh.com"
];
dns.zones."ctu.cx".subdomains = {
cgit.CNAME = [ "${config.networking.fqdn}." ];
git.CNAME = [ "${config.networking.fqdn}." ];
};
age.secrets.restic-gitolite.file = ./. + "/../../secrets/${config.networking.hostName}/restic/gitolite.age";
restic-backups.gitolite = {
user = "git";
passwordFile = config.age.secrets.restic-gitolite.path;
paths = [ "/var/lib/gitolite" ];
};
services = {
gitolite = {
enable = true;
user = "git";
group = "git";
adminPubkey = "ssh-rsa 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 cardno:6445161";
extraGitoliteRc = ''
$RC{GIT_CONFIG_KEYS} = ".*";
$RC{UMASK} = 0027;
push(@{$RC{ENABLE}}, 'cgit');
push(@{$RC{ENABLE}}, 'symbolic-ref');
push(@{$RC{ENABLE}}, 'rebuild-webdir');
push(@{$RC{ENABLE}}, 'rebuild-webdir');
$RC{NON_CORE} = "rebuild-webdir-trigger POST_COMPILE rebuild-stagit";
'';
triggers.rebuild-webdir = rebuildWebdir;
commands.rebuild-webdir = rebuildWebdir;
commonHooks.post-receive = ''
# update stagit pages
source ${stagitFunctions}
update_stagit_repo "$1"
'';
};
fcgiwrap = {
enable = true;
user = "git";
group = "git";
};
nginx = {
enable = true;
virtualHosts = {
"cgit.ctu.cx" = {
enableACME = true;
forceSSL = true;
kTLS = true;
locations = {
"~ '^/[a-zA-Z0-9._-]+/(git-(receive|upload)-pack|HEAD|info/refs|objects/(info/(http-)?alternates|packs)|[0-9a-f]{2}/[0-9a-f]{38}|pack/pack-[0-9a-f]{40}\.(pack|idx))$'".return = "307 https://git.ctu.cx$request_uri";
"~ '^/([a-zA-Z0-9_.]+)/*$'".return = "307 https://git.ctu.cx/$1";
"~ '^/([a-zA-Z0-9_.]+)/tree/([a-zA-Z0-9_./-]+[a-zA-Z0-9_-])/*$'".return = "307 https://git.ctu.cx/$1/tree/$2.html";
"~ '^/([a-zA-Z0-9_.]+)/tree/*$'".return = "307 https://git.ctu.cx/$1/tree.html";
"~ '^/([a-zA-Z0-9_.]+)/log/*$'".return = "307 https://git.ctu.cx/$1/log.html";
"~ '^/([a-zA-Z0-9_.]+)/commit/*$'".extraConfig = ''
if ($arg_id) {
return 307 https://git.ctu.cx/$1/commit/$arg_id.html;
}
return 307 https://git.ctu.cx/$1/log.html;
'';
};
};
"git.ctu.cx" = {
enableACME = true;
forceSSL = true;
kTLS = true;
root = "/var/lib/stagit";
locations = {
"@redir".return = "307 ../log.html";
"~ '^/([a-zA-Z0-9_.]+)/commit/.*$'".extraConfig = "error_page 404 = @redir;";
"~* \.html$".extraConfig = ''
add_header Last-Modified $date_gmt;
add_header Cache-Control 'private no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0';
if_modified_since off;
expires off;
etag off;
'';
"~ '^/[a-zA-Z0-9._-]+/raw'".extraConfig = ''
types {
application/json json;
application/wasm wasm;
font/woff woff;
font/woff2 woff2;
application/pdf pdf;
image/gif gif;
image/jpeg jpeg jpg;
image/png png;
image/svg+xml svg svgz;
image/webp webp;
image/x-icon ico;
}
default_type text/plain;
try_files $uri =404;
'';
"~ '^/[a-zA-Z0-9._-]+/(git-(receive|upload)-pack|HEAD|info/refs|objects/(info/(http-)?alternates|packs)|[0-9a-f]{2}/[0-9a-f]{38}|pack/pack-[0-9a-f]{40}\.(pack|idx))$'".extraConfig = ''
if ($query_string = service=git-receive-pack) {
return 403;
}
include "${pkgs.nginx}/conf/fastcgi_params";
fastcgi_param SCRIPT_FILENAME "${pkgs.git}/libexec/git-core/git-http-backend";
fastcgi_param GIT_PROJECT_ROOT /var/lib/gitolite/repositories;
fastcgi_param PATH_INFO $uri;
fastcgi_pass unix:${config.services.fcgiwrap.socketAddress};
'';
};
};
};
};
};
}