nixpkgs/maintainers/scripts/update-luarocks-packages
Matthieu Coudron 27c88c51e7 update-luarocks-packages: disable by default
Not only the binary `parallel` displays a re,inder to quote their
software but it systematically breaks update here regardless of my
network quality.
Better be slow than fail. If anyone can fix it, we may rollback this.
2020-01-25 19:39:28 +01:00

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#!/usr/bin/env nix-shell
#!nix-shell update-luarocks-shell.nix -i bash
# You'll likely want to use
# ``
# nixpkgs $ maintainers/scripts/update-luarocks-packages pkgs/development/lua-modules/generated-packages.nix
# ``
# to update all libraries in that folder.
# to debug, redirect stderr to stdout with 2>&1
# stop the script upon C-C
set -eu -o pipefail
CSV_FILE="maintainers/scripts/luarocks-packages.csv"
TMP_FILE="$(mktemp)"
# Set in the update-luarocks-shell.nix
NIXPKGS_PATH="$LUAROCKS_NIXPKGS_PATH"
export LUAROCKS_CONFIG="$NIXPKGS_PATH/maintainers/scripts/luarocks-config.lua"
# 10 is a pretty arbitrary number of simultaneous jobs, but it is generally
# impolite to hit a webserver with *too* many simultaneous connections :)
PARALLEL_JOBS=1
exit_trap() {
local lc="$BASH_COMMAND" rc=$?
test $rc -eq 0 || echo -e "*** error $rc: $lc.\nGenerated temporary file in $TMP_FILE" >&2
}
print_help() {
echo "Usage: $0 <GENERATED_FILE>"
echo "(most likely pkgs/development/lua-modules/generated-packages.nix)"
echo ""
echo " -c <CSV_FILE> to set the list of luarocks package to generate"
exit 1
}
if [ $# -lt 1 ]; then
print_help
exit 1
fi
trap exit_trap EXIT
while getopts ":hc:" opt; do
case $opt in
h)
print_help
;;
c)
echo "Loading package list from $OPTARG !" >&2
CSV_FILE="$OPTARG"
;;
\?)
echo "Invalid option: -$OPTARG" >&2
;;
esac
shift $((OPTIND - 1))
done
GENERATED_NIXFILE="$1"
HEADER="
/* ${GENERATED_NIXFILE} is an auto-generated file -- DO NOT EDIT!
Regenerate it with:
nixpkgs$ ${0} ${GENERATED_NIXFILE}
These packages are manually refined in lua-overrides.nix
*/
{ self, stdenv, fetchurl, fetchgit, pkgs, ... } @ args:
self: super:
with self;
{
"
FOOTER="
}
/* GENERATED */
"
function convert_pkg() {
nix_pkg_name="$1"
lua_pkg_name="$2"
server="$3"
pkg_version="$4"
lua_version="$5"
maintainers="$6"
if [ "${nix_pkg_name:0:1}" == "#" ]; then
echo "Skipping comment ${*}" >&2
return
fi
if [ -z "$lua_pkg_name" ]; then
echo "Using nix_name as lua_pkg_name for '$nix_pkg_name'" >&2
lua_pkg_name="$nix_pkg_name"
fi
echo "Building expression for $lua_pkg_name (version $pkg_version) from server [$server]" >&2
luarocks_args=(nix)
if [[ -n $server ]]; then
luarocks_args+=("--only-server=$server")
fi
if [[ -n $maintainers ]]; then
luarocks_args+=("--maintainers=$maintainers")
fi
if [[ -n $lua_version ]]; then
lua_drv_path=$(nix-build --no-out-link "$NIXPKGS_PATH" -A "$lua_version")
luarocks_args+=("--lua-dir=$lua_drv_path/bin")
fi
luarocks_args+=("$lua_pkg_name")
if [[ -n $pkg_version ]]; then
luarocks_args+=("$pkg_version")
fi
echo "Running 'luarocks ${luarocks_args[*]}'" >&2
if drv="$nix_pkg_name = $(luarocks "${luarocks_args[@]}")"; then
echo "$drv"
else
echo "Failed to convert $nix_pkg_name" >&2
return 1
fi
}
# params needed when called via callPackage
echo "$HEADER" | tee "$TMP_FILE"
# Ensure parallel can run our bash function
export -f convert_pkg
export SHELL=bash
# Read each line in the csv file and run convert_pkg for each, in parallel
parallel --group --keep-order --halt now,fail=1 --jobs "$PARALLEL_JOBS" --colsep ',' convert_pkg {} <"$CSV_FILE" | tee -a "$TMP_FILE"
# close the set
echo "$FOOTER" | tee -a "$TMP_FILE"
cp "$TMP_FILE" "$GENERATED_NIXFILE"
# vim: set ts=4 sw=4 ft=sh: