Rewrite migrate.lua in Fennel
This commit is contained in:
parent
6eb7d78c59
commit
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@ -1,7 +1,12 @@
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-- Normally I could use require("fennel").install(),
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-- but this time I need to fix the Fennel search path.
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local fennel = require("fennel")
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fennel.path = "/zip/.lua/?.fnl;/zip/.lua/?/init.fnl"
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table.insert(package.loaders or package.searchers, fennel.searcher)
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-- LaunchBrowser()
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local migrate = require "migrate"
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migrate.migrate()
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fm = require "fullmoon"
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6215
assets/.lua/fennel.lua
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6215
assets/.lua/fennel.lua
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File diff suppressed because one or more lines are too long
371
assets/.lua/inspect.lua
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371
assets/.lua/inspect.lua
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@ -0,0 +1,371 @@
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local _tl_compat; if (tonumber((_VERSION or ''):match('[%d.]*$')) or 0) < 5.3 then local p, m = pcall(require, 'compat53.module'); if p then _tl_compat = m end end; local math = _tl_compat and _tl_compat.math or math; local string = _tl_compat and _tl_compat.string or string; local table = _tl_compat and _tl_compat.table or table
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local inspect = {Options = {}, }
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inspect._VERSION = 'inspect.lua 3.1.0'
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inspect._URL = 'http://github.com/kikito/inspect.lua'
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inspect._DESCRIPTION = 'human-readable representations of tables'
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inspect._LICENSE = [[
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MIT LICENSE
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Copyright (c) 2022 Enrique García Cota
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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]]
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inspect.KEY = setmetatable({}, { __tostring = function() return 'inspect.KEY' end })
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inspect.METATABLE = setmetatable({}, { __tostring = function() return 'inspect.METATABLE' end })
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local tostring = tostring
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local rep = string.rep
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local match = string.match
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local char = string.char
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local gsub = string.gsub
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local fmt = string.format
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local _rawget
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if rawget then
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_rawget = rawget
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else
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_rawget = function(t, k) return t[k] end
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end
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local function rawpairs(t)
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return next, t, nil
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end
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local function smartQuote(str)
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if match(str, '"') and not match(str, "'") then
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return "'" .. str .. "'"
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end
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return '"' .. gsub(str, '"', '\\"') .. '"'
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end
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local shortControlCharEscapes = {
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["\a"] = "\\a", ["\b"] = "\\b", ["\f"] = "\\f", ["\n"] = "\\n",
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["\r"] = "\\r", ["\t"] = "\\t", ["\v"] = "\\v", ["\127"] = "\\127",
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}
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local longControlCharEscapes = { ["\127"] = "\127" }
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for i = 0, 31 do
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local ch = char(i)
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if not shortControlCharEscapes[ch] then
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shortControlCharEscapes[ch] = "\\" .. i
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longControlCharEscapes[ch] = fmt("\\%03d", i)
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end
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end
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local function escape(str)
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return (gsub(gsub(gsub(str, "\\", "\\\\"),
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"(%c)%f[0-9]", longControlCharEscapes),
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"%c", shortControlCharEscapes))
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end
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local luaKeywords = {
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['and'] = true,
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['break'] = true,
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['do'] = true,
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['else'] = true,
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['elseif'] = true,
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['end'] = true,
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['false'] = true,
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['for'] = true,
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['function'] = true,
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['goto'] = true,
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['if'] = true,
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['in'] = true,
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['local'] = true,
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['nil'] = true,
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['not'] = true,
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['or'] = true,
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['repeat'] = true,
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['return'] = true,
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['then'] = true,
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['true'] = true,
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['until'] = true,
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['while'] = true,
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}
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local function isIdentifier(str)
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return type(str) == "string" and
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not not str:match("^[_%a][_%a%d]*$") and
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not luaKeywords[str]
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end
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local flr = math.floor
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local function isSequenceKey(k, sequenceLength)
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return type(k) == "number" and
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flr(k) == k and
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1 <= (k) and
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k <= sequenceLength
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end
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local defaultTypeOrders = {
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['number'] = 1, ['boolean'] = 2, ['string'] = 3, ['table'] = 4,
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['function'] = 5, ['userdata'] = 6, ['thread'] = 7,
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}
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local function sortKeys(a, b)
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local ta, tb = type(a), type(b)
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if ta == tb and (ta == 'string' or ta == 'number') then
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return (a) < (b)
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end
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local dta = defaultTypeOrders[ta] or 100
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local dtb = defaultTypeOrders[tb] or 100
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return dta == dtb and ta < tb or dta < dtb
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end
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local function getKeys(t)
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local seqLen = 1
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while _rawget(t, seqLen) ~= nil do
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seqLen = seqLen + 1
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end
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seqLen = seqLen - 1
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local keys, keysLen = {}, 0
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for k in rawpairs(t) do
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if not isSequenceKey(k, seqLen) then
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keysLen = keysLen + 1
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keys[keysLen] = k
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end
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end
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table.sort(keys, sortKeys)
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return keys, keysLen, seqLen
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end
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local function countCycles(x, cycles)
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if type(x) == "table" then
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if cycles[x] then
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cycles[x] = cycles[x] + 1
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else
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cycles[x] = 1
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for k, v in rawpairs(x) do
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countCycles(k, cycles)
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countCycles(v, cycles)
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end
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countCycles(getmetatable(x), cycles)
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end
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end
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end
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local function makePath(path, a, b)
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local newPath = {}
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local len = #path
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for i = 1, len do newPath[i] = path[i] end
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newPath[len + 1] = a
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newPath[len + 2] = b
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return newPath
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end
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local function processRecursive(process,
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item,
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path,
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visited)
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if item == nil then return nil end
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if visited[item] then return visited[item] end
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local processed = process(item, path)
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if type(processed) == "table" then
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local processedCopy = {}
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visited[item] = processedCopy
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local processedKey
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for k, v in rawpairs(processed) do
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processedKey = processRecursive(process, k, makePath(path, k, inspect.KEY), visited)
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if processedKey ~= nil then
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processedCopy[processedKey] = processRecursive(process, v, makePath(path, processedKey), visited)
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end
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end
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local mt = processRecursive(process, getmetatable(processed), makePath(path, inspect.METATABLE), visited)
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if type(mt) ~= 'table' then mt = nil end
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setmetatable(processedCopy, mt)
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processed = processedCopy
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end
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return processed
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end
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local function puts(buf, str)
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buf.n = buf.n + 1
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buf[buf.n] = str
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end
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local Inspector = {}
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local Inspector_mt = { __index = Inspector }
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local function tabify(inspector)
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puts(inspector.buf, inspector.newline .. rep(inspector.indent, inspector.level))
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end
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function Inspector:getId(v)
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local id = self.ids[v]
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local ids = self.ids
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if not id then
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local tv = type(v)
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id = (ids[tv] or 0) + 1
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ids[v], ids[tv] = id, id
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end
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return tostring(id)
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end
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function Inspector:putValue(v)
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local buf = self.buf
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local tv = type(v)
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if tv == 'string' then
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puts(buf, smartQuote(escape(v)))
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elseif tv == 'number' or tv == 'boolean' or tv == 'nil' or
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tv == 'cdata' or tv == 'ctype' then
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puts(buf, tostring(v))
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elseif tv == 'table' and not self.ids[v] then
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local t = v
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if t == inspect.KEY or t == inspect.METATABLE then
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puts(buf, tostring(t))
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elseif self.level >= self.depth then
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puts(buf, '{...}')
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else
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if self.cycles[t] > 1 then puts(buf, fmt('<%d>', self:getId(t))) end
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local keys, keysLen, seqLen = getKeys(t)
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puts(buf, '{')
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self.level = self.level + 1
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for i = 1, seqLen + keysLen do
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if i > 1 then puts(buf, ',') end
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if i <= seqLen then
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puts(buf, ' ')
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self:putValue(t[i])
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else
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local k = keys[i - seqLen]
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tabify(self)
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if isIdentifier(k) then
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puts(buf, k)
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else
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puts(buf, "[")
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self:putValue(k)
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puts(buf, "]")
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end
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puts(buf, ' = ')
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self:putValue(t[k])
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end
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end
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local mt = getmetatable(t)
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if type(mt) == 'table' then
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if seqLen + keysLen > 0 then puts(buf, ',') end
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tabify(self)
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puts(buf, '<metatable> = ')
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self:putValue(mt)
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end
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self.level = self.level - 1
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if keysLen > 0 or type(mt) == 'table' then
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tabify(self)
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elseif seqLen > 0 then
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puts(buf, ' ')
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end
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puts(buf, '}')
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end
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else
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puts(buf, fmt('<%s %d>', tv, self:getId(v)))
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end
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end
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function inspect.inspect(root, options)
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options = options or {}
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local depth = options.depth or (math.huge)
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local newline = options.newline or '\n'
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local indent = options.indent or ' '
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local process = options.process
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if process then
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root = processRecursive(process, root, {}, {})
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end
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local cycles = {}
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countCycles(root, cycles)
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local inspector = setmetatable({
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buf = { n = 0 },
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ids = {},
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cycles = cycles,
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depth = depth,
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level = 0,
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newline = newline,
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indent = indent,
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}, Inspector_mt)
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inspector:putValue(root)
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return table.concat(inspector.buf)
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end
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setmetatable(inspect, {
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__call = function(_, root, options)
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return inspect.inspect(root, options)
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end,
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})
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return inspect
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26
assets/.lua/migrate.fnl
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26
assets/.lua/migrate.fnl
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@ -0,0 +1,26 @@
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(local re (require "re"))
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(local path (require "path"))
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(local inspect (. (require "inspect") :inspect))
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(local filename-regex (re.compile "^([0-9]+).*\\.sql$"))
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(fn migrate []
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(local migrations {})
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(local seqnums {})
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(local zip-paths (GetZipPaths "/migrations/"))
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(print (inspect zip-paths))
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(each [_ filename (ipairs zip-paths)]
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(let [basename (path.basename filename)
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(_ seqstr) (filename-regex:search basename)
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seqnum (tonumber seqstr)]
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(if (and seqnum (not (. seqnums seqnum)))
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(do
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(table.insert seqnums seqnum)
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(table.insert migrations {: filename : seqnum}))
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(print (string.format "found weird migration name or duplicate sequence number: %s" filename)))))
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(table.sort migrations #(< $1.seqnum $2.seqnum))
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(print (inspect migrations))
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(each [i mig (ipairs migrations)]
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(print (string.format "%d: %s" i mig.filename))))
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{: migrate}
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@ -1,35 +0,0 @@
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local re = require "re"
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local path = require "path"
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local filenameRegex = re.compile([=[^([0-9]+).*\.sql$]=])
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local function migrate()
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local migrations = {}
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local seqnums = {}
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local paths = GetZipPaths("/migrations/")
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for _, p in ipairs(paths) do
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-- basename -> sequence number
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-- check that sequence number doesn't already exist
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local basename = path.basename(p)
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local _, seqnum = filenameRegex:search(basename)
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seqnum = tonumber(seqnum)
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if seqnum and not seqnums[seqnum] then
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table.insert(seqnums, seqnum)
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table.insert(migrations, {
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filename = p,
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seqnum = seqnum,
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})
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else
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print(string.format("found weird migration name: %s", p))
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end
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end
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table.sort(migrations, function(a, b) return a.seqnum < b.seqnum end)
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for i,mig in ipairs(migrations) do
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print(string.format("%d: %s", i, mig.filename))
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end
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end
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return {
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migrate = migrate,
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}
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Loading…
Reference in New Issue
Block a user