From 540ef75dbfcce7e45657ca68783e66c8e9e04d25 Mon Sep 17 00:00:00 2001
From: Nulo <git@nulo.in>
Date: Fri, 16 Sep 2022 15:41:33 -0300
Subject: [PATCH] init

---
 runit-podman-gen.lua | 60 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100755 runit-podman-gen.lua

diff --git a/runit-podman-gen.lua b/runit-podman-gen.lua
new file mode 100755
index 0000000..6ba8b2c
--- /dev/null
+++ b/runit-podman-gen.lua
@@ -0,0 +1,60 @@
+#!/usr/bin/env lua5.1
+
+local utils = {}
+function utils.join_table(table, separator)
+	local string = ""
+	for i=1,#table do
+		string = string .. table[i] .. separator
+	end
+	return string
+end
+
+local user = arg[1]
+local container_name = arg[2]
+local image_name = arg[3]
+
+local arguments = {unpack(arg, 4)}
+for i=1,#arguments do
+	arguments[i] = "'"..arguments[i].."'"
+end
+
+local prefix = [[
+#!/bin/sh
+# Generated with ]]..utils.join_table({arg[0], user, container_name, image_name, unpack(arguments)}, " ")..[[
+
+IMAGE=']]..image_name..[['
+
+CONTAINER_NAME=']]..container_name..[['
+
+export USER=']]..user..[['
+
+export HOME="/home/$USER"
+cd "$HOME"
+]]
+
+local run_script = prefix..[[
+
+chpst -u "$USER:$USER" podman pull "$IMAGE" 2>/dev/stdout || exit $?
+chpst -u "$USER:$USER" podman image prune -f 2>/dev/stdout || exit $?
+
+exec chpst -u "$USER:$USER" podman run --tty --rm \
+	--name="$CONTAINER_NAME" \
+	--replace \
+]]..utils.join_table(arguments, " ")..[[ \
+	"$IMAGE" 2>/dev/stdout
+]]
+local down_script = prefix..[[
+
+chpst -u "$USER:$USER" podman stop --ignore "$CONTAINER_NAME" 2>/dev/stdout || exit $?
+chpst -u "$USER:$USER" podman rm --force --ignore "$CONTAINER_NAME" 2>/dev/stdout || exit $?
+]]
+
+local function write_script(file_name, content)
+	local file = io.open(file_name, "w+")
+	file:write(content)
+	file:close()
+	os.execute("chmod +x '"..file_name.."'")
+end
+
+write_script("run", run_script)
+write_script("down", down_script)