nixpkgs/maintainers/scripts/update-luarocks-packages

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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
if [ $# -lt 1 ]; then
print_help
exit 1
fi
CSV_FILE="maintainers/scripts/luarocks-packages.csv"
TMP_FILE="$(mktemp)"
exit_trap()
{
local lc="$BASH_COMMAND" rc=$?
test $rc -eq 0 || echo -e "*** error $rc: $lc.\nGenerated temporary file in $TMP_FILE" >&2
}
trap exit_trap EXIT
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
}
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=""
if [ ! -z "$3" ]; then
server=" --server=$3"
fi
version="${3:-}"
echo "looking at $lua_pkg_name (version $version) from server [$server]" >&2
cmd="luarocks nix $server $lua_pkg_name $version"
drv="$nix_pkg_name = $($cmd)"
if [ $? -ne 0 ]; then
echo "Failed to convert $pkg" >&2
echo "$drv" >&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
# name,server,version
while IFS=, read -r nix_pkg_name lua_pkg_name server version
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" "$version"
done < "$CSV_FILE"
# close the set
echo "$FOOTER" | tee -a "$TMP_FILE"
cp "$TMP_FILE" "$GENERATED_NIXFILE"