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https://linux.maple.camp/git/ahill/maplelinux-bootstrap.git
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101 lines
3.3 KiB
Lua
Executable File
101 lines
3.3 KiB
Lua
Executable File
#!/bin/lua
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--[[ Copyright (c) 2026 Alexander Hill
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE. ]]
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local liquid = require("liquid")
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local posix = require("posix")
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local tinytoml = require("tinytoml")
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local config
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local config_path = "/etc/maple.toml"
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local sysroot = "/"
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local templates = "/usr/share/mapleconf"
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local function render_directory(stack)
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local path
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if #stack == 0 then
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path = "/"
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else
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path = "/" .. table.concat(stack, "/") .. "/"
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end
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local files = posix.dir(templates .. path)
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for _, entry in ipairs(files) do
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if not string.match(entry, "^%.+$") then
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local fullpath = path .. entry
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local stat = posix.stat(templates .. fullpath)
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if stat.type == "directory" then
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if not posix.access(sysroot .. fullpath) then
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posix.mkdir(sysroot .. fullpath)
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end
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local newstack = {}
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-- Why does Lua lack the ability to copy tables? ~ahill
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for _, v in ipairs(stack) do
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table.insert(newstack, v)
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end
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table.insert(newstack, entry)
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render_directory(newstack)
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elseif stat.type == "regular" then
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print("Updating " .. fullpath)
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local template = io.open(templates .. fullpath, "r")
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if template then
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local target = io.open(sysroot .. fullpath, "w")
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if target then
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local context = liquid.InterpreterContext:new(config)
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local engine = liquid.Template:parse(template:read("*all"))
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target:write(engine:render(context))
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target:close()
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end
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template:close()
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end
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else
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print("BUG: Directory entry type " .. stat.type .. " not recognized.")
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end
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end
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end
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end
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-- ENTRY POINT
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for opt, optarg, optind in posix.unistd.getopt(arg, "c:hr:t:") do
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if opt == "c" then
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config_path = optarg
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elseif opt == "h" then
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-- Pardon the formatting. This should be cleaned up later. ~ahill
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print[[Usage: mapleconf [option [option ...] ]
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-c <file> - Sets the file to source configuration data from
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-h - Displays this help message
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-r <path> - Sets the sysroot to configure
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-t <path> - Sets the path of the template directory]]
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os.exit(1)
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elseif opt == "r" then
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sysroot = optarg
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elseif opt == "t" then
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templates = optarg
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else
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print("Unknown option: " .. arg[optind - 1])
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os.exit(1)
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end
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end
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config = tinytoml.parse(config_path)
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render_directory{}
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