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https://github.com/NixOS/nixpkgs.git
synced 2024-12-03 12:23:02 +00:00
Adding a minimal script set to serve store as a dynamical binary cache
This commit is contained in:
Michael Raskin
parent
a278c3dfa8
commit
54586a77e7
61
pkgs/servers/http/nix-binary-cache/default.nix
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61
pkgs/servers/http/nix-binary-cache/default.nix
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@ -0,0 +1,61 @@
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{stdenv, fetchurl
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, coreutils, findutils, nix, xz, bzip2, gnused, gnugrep, openssl
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, lighttpd, iproute }:
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stdenv.mkDerivation rec {
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version = "2014-06-29-1";
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name = "nix-binary-cache-${version}";
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phases = ["installPhase"];
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installPhase = ''
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mkdir -p "$out/bin"
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substitute "${./nix-binary-cache.cgi.in}" "$out"/bin/nix-binary-cache.cgi \
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--replace @out@ "$out/bin" \
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--replace @shell@ "${stdenv.shell}" \
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--replace @coreutils@ "${coreutils}/bin" \
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--replace @findutils@ "${findutils}/bin" \
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--replace @nix@ "${nix}/bin" \
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--replace @xz@ "${xz}/bin" \
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--replace @bzip2@ "${bzip2}/bin" \
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--replace @gnused@ "${gnused}/bin" \
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--replace @gnugrep@ "${gnugrep}/bin" \
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--replace @openssl@ "${openssl}/bin" \
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--replace @lighttpd@ "${lighttpd}/sbin" \
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--replace @iproute@ "${iproute}/sbin" \
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--replace "xXxXx" "xXxXx"
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chmod a+x "$out/bin/nix-binary-cache.cgi"
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substitute "${./nix-binary-cache-start.in}" "$out"/bin/nix-binary-cache-start \
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--replace @out@ "$out/bin" \
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--replace @shell@ "${stdenv.shell}" \
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--replace @coreutils@ "${coreutils}/bin" \
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--replace @findutils@ "${findutils}/bin" \
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--replace @nix@ "${nix}/bin" \
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--replace @xz@ "${xz}/bin" \
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--replace @bzip2@ "${bzip2}/bin" \
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--replace @gnused@ "${gnused}/bin" \
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--replace @gnugrep@ "${gnugrep}/bin" \
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--replace @openssl@ "${openssl}/bin" \
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--replace @lighttpd@ "${lighttpd}/sbin" \
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--replace @iproute@ "${iproute}/sbin" \
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--replace "xXxXx" "xXxXx"
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chmod a+x "$out/bin/nix-binary-cache-start"
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'';
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meta = {
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description = ''A set of scripts to serve the Nix store as a binary cache'';
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longDescription = ''
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This package installs a CGI script that serves Nix store path in the
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binary cache format. It also installs a launcher called
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nix-binary-cache-start that can be run without any setup to launch
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a binary cache and get the example arguments for its usage.
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'';
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maintainers = [stdenv.lib.maintainers.raskin];
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license = stdenv.lib.licenses.gpl2Plus;
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inherit version;
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platforms = stdenv.lib.platforms.all;
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hydraPlatforms = [];
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};
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}
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105
pkgs/servers/http/nix-binary-cache/nix-binary-cache-start.in
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105
pkgs/servers/http/nix-binary-cache/nix-binary-cache-start.in
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@ -0,0 +1,105 @@
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#! @shell@
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parse_opts () {
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while @coreutils@/test -n "$1" && @coreutils@/test "x$1" != x-- ; do
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case "$1" in
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--store-dir)
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shift;
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echo "STORE_DIR='$1'"
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shift;
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;;
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--priority)
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shift;
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echo "PRIORITY=$1";
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shift;
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;;
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--compression)
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shift;
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echo "COMPRESSION=$1";
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shift;
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;;
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--key)
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shift;
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echo "KEY=${1#*:}"
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echo "KEYNAME=${1%%:*}"
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shift;
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;;
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--nix-remote)
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shift;
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echo "NIX_REMOTE=$1"
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shift;
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;;
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--mass-query)
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shift;
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echo "MASS_QUERY=$1"
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shift;
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;;
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--port)
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shift;
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echo "PORT=$1"
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shift;
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;;
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--help)
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cat <<EOF >&2
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"$0": start the Nix binary cache serving the Nix store dynamically.
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Recognized options:
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--port server port
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--store-dir served Nix store
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--priority binary cache priority
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--mass-query 0 or 1 - whether binary cache expects queries for nix-env -qas
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--compression compression to use: bzip2 or xz
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--key name:/path/to/key - key to use for narinfo signing
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--nix-remote 'daemon' or empty string '' - whether to use daemon for store
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operations
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--help show help and exit
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EOF
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exit 1;
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;;
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*) shift ;;
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esac;
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done
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}
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workingdir="$(@coreutils@/mktemp -d)"
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cd "$workingdir"
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PORT=8080
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(echo "STORE_DIR=${NIX_STORE_DIR:-/nix/store}"; parse_opts "$@"
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) > nix-binary-cache.conf || exit
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. "$workingdir/nix-binary-cache.conf"
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echo "
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server.port = $PORT
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server.modules = ( \"mod_cgi\", \"mod_setenv\", )
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server.document-root = \"$workingdir\"
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cgi.assign = ( \".cgi\" => \"@shell@\" )
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setenv.add-request-header = ( \"NIX_BINARY_CACHE_CONFIG\" => \"$workingdir/nix-binary-cache.conf\" )
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" > lighttpd.conf
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cp @out@/nix-binary-cache.cgi .
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cp @out@/nix-binary-cache.cgi ./nix-bc.cgi
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ip="$(@iproute@/ip a | @gnugrep@/grep 'inet .* scope global' | @coreutils@/head -n 1)"
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ip="${ip%%/*}"
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ip="${ip##* }"
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url="http://$ip:$PORT/nix-bc.cgi?"
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echo "Working directory: $workingdir"
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echo
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echo "Address of the binary cache: $url"
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echo
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echo "Usage example: NIX_REMOTE= nix-store --option binary-caches '$url'"
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echo
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echo
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@lighttpd@/lighttpd -D -f "$workingdir/lighttpd.conf"
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cd /
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@coreutils@/rm -rf "$workingdir"
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97
pkgs/servers/http/nix-binary-cache/nix-binary-cache.cgi.in
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97
pkgs/servers/http/nix-binary-cache/nix-binary-cache.cgi.in
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@ -0,0 +1,97 @@
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#! @shell@
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STORE_DIR="${NIX_STORE_DIR:-/nix/store}"
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MASS_QUERY=0
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PRIORITY=75
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COMPRESSION=bzip2
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KEY=
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KEYNAME=na
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export NIX_REMOTE=daemon
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config="${NIX_BINARY_CACHE_CONFIG:-${HTTP_NIX_BINARY_CACHE_CONFIG:-/etc/nix/nix-binary-cache.cgi.conf}}"
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config="$(cd "$(@coreutils@/dirname "$config")";
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@coreutils@/pwd)/$(@coreutils@/basename "$config")"
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@coreutils@/test -e "$config" && . "$config"
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header(){
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echo "Content-Type: text/plain; charset=utf-8"
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echo
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}
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clean_path() {
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@gnused@/sed -re "s@^$STORE_DIR/?@@" | @findutils@/xargs
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}
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storeq(){
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@nix@/nix-store -q "$@"
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}
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sign(){
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test -n "$1" &&
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@coreutils@/sha256sum | @gnused@/sed -e 's/ .*//' |
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@openssl@/openssl rsautl -sign -inkey "$@" | @coreutils@/base64 -w 0
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}
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case "$QUERY_STRING" in
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"")
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header
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echo "Hello, this is a dynamically-generated Nix binary cache"
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;;
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/debug)
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header
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set
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;;
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/nix-cache-info)
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header
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echo "StoreDir: $STORE_DIR"
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echo "WantMassQuery: $MASS_QUERY"
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echo "Priority: $PRIORITY"
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;;
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*.narinfo)
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hash=${QUERY_STRING%.narinfo}
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hash=${hash#/}
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path="$(echo "$STORE_DIR/$hash-"* )"
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if [ -n "$path" ] && [ -e "$path" ]; then
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header
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info="$(
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echo "StorePath: $path"
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echo "URL: $(@coreutils@/basename "$path"
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).nar.$COMPRESSION"
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echo "Compression: $COMPRESSION"
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echo "NarHash: $(storeq --hash "$path")"
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echo "NarSize: $(storeq --size "$path")"
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echo "References: $(storeq --references "$path" |
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@coreutils@/tac | clean_path )"
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echo "Deriver: $(storeq --deriver "$path" |
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clean_path )"
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)"
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signature="$(echo "$info" | sign "$KEY")"
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echo "$info"
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echo "Signature: 1;$KEYNAME;$signature"
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else
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exit 1
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fi
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;;
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*.nar.xz)
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path="$STORE_DIR${QUERY_STRING%.nar.xz}"
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if [ -n "$path" ] && [ -e "$path" ]; then
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header
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@nix@/nix-store --dump "$path" | @xz@/xz
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else
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exit 1
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fi
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;;
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*.nar.bzip2)
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path="$STORE_DIR${QUERY_STRING%.nar.bzip2}"
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echo "$path" >&2;
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if [ -n "$path" ] && [ -e "$path" ]; then
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header
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@nix@/nix-store --dump "$path" | @bzip2@/bzip2
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else
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exit 1
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fi
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;;
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esac
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@ -6752,6 +6752,8 @@ let
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ngircd = callPackage ../servers/irc/ngircd { };
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nix-binary-cache = callPackage ../servers/http/nix-binary-cache {};
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nsd = callPackage ../servers/dns/nsd { };
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nsq = callPackage ../servers/nsq { };
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