nixpkgs/maintainers/scripts/update-luarocks-packages
Matthieu Coudron 6402fbb6b8 update-luarocks: can install for a different lua
the recent luarocks can install for a different interpreter than the one
running luarocks.
Due to the way the update is done on nix, it seems more practical to use
this feature than running the script with different luarocks-nix ?
2019-06-04 18:57:42 +09:00

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#!/usr/bin/env nix-shell
#!nix-shell -p nix-prefetch-scripts luarocks-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="$(mktemp)"
exit_trap()
{
local lc="$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:+--only-server=$3}"
pkg_version="${4:-}"
lua_version="${5:+--lua-dir=$(nix path-info nixpkgs.$5)/bin}"
echo "looking at $lua_pkg_name (version $pkg_version) from server [$server]" >&2
cmd="luarocks nix $server $lua_version $lua_pkg_name $pkg_version"
echo "Running $cmd" >&2
drv="$nix_pkg_name = $($cmd)"
if [ $? -ne 0 ]; then
echo "Failed to convert $pkg" >&2
else
echo "$drv" | tee -a "$TMP_FILE"
fi
}
# params needed when called via callPackage
echo "$HEADER" | tee "$TMP_FILE"
# list of packages with format
while IFS=, read -r nix_pkg_name lua_pkg_name server pkg_version luaversion
do
if [ "${nix_pkg_name:0:1}" == "#" ]; then
echo "Skipping comment ${nix_pkg_name}" >&2
continue
fi
if [ -z "$lua_pkg_name" ]; then
echo "Using nix_name as lua_pkg_name" >&2
lua_pkg_name="$nix_pkg_name"
fi
convert_pkg "$nix_pkg_name" "$lua_pkg_name" "$server" "$pkg_version" "$luaversion"
done < "$CSV_FILE"
# close the set
echo "$FOOTER" | tee -a "$TMP_FILE"
cp "$TMP_FILE" "$GENERATED_NIXFILE"