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--[[
Eat It - a Mpv plugin manager
Copyright © 2023 squibid
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
]]
local mp = require('mp')
-- load the config file
dofile(mp.command_native({'expand-path', '~~/eatit-cfg.lua'}))
-- helper functions --
local function tablelength(T)
local count = 0
for _ in pairs(T) do count = count + 1 end
return count
end
local function fileexists(name)
local ok, err, code = os.rename(name, name)
if not ok then
if code == 13 then
-- Permission denied, but it exists
return true
end
end
return ok, err
end
local function testforslash(str)
if string.match(str, '/') then
return string.match(str, '/([^/]+)$')
else
return str
end
end
local function run(cmd)
local x = io.popen(cmd)
local y = x:read("*a")
x:close()
return y
end
local function openlog()
if opts.logging.log then -- log if asked to
-- get our logfile's full path
fn = mp.command_native({'expand-path', opts.logging.logfile})
f = io.open(fn, 'a') -- open file buffer
io.output(f) -- set it as default
end
end
local function logwrite(string)
if opts.logging.log then
io.write(os.date(opts.logging.logdate) .. ' ' .. string .. '\n')
end
end
local function closelog()
if opts.logging.log then
io.close(f)
end
end
-- get the requested git repos
local function clonegit(plugdir, i)
logwrite('downloading ' .. plugins[i][1])
-- clone the repo
-- BUG: logwriting the git command doens't actually log the output
run('git -C ' .. opts.dl.dir .. ' clone ' .. plugins[i][1])
run('git -C ' .. plugdir .. ' checkout -q ' .. plugins[i]['branch'])
end
-- check for updates
local function checkupdates(plugdir)
local localhash = run('git -C ' .. plugdir .. ' log -1 --format=format:"%H"')
local remotehash = run('git -C ' .. plugdir .. ' rev-parse $(git -C ' ..
plugdir .. ' branch -r) | tail -1')
if localhash ~= remotehash then return true else return false end
end
-- start install
local function startinstall()
-- let the user know that we are starting install
logwrite('Starting Download...')
mp.osd_message('Downloading plugins!')
-- start iterating through plugins
for i = 1, tablelength(plugins) do
-- check if the user has defined a file for the current plugin
if not plugins[i]['file'] then
logwrite('WARNING! Git repo "' .. plugins[i][1] ..
'" doesn\'t have a specified file. Skipping download')
-- FIXME: this results in the last plugin being downloaded & copied twice
i = i + 1 -- if not we go to the next plugin
end
-- if no destdir defined we set it to the root of the mpv config dir
if not plugins[i]['dir'] then
plugins[i]['dir'] = '~~/'
end
-- get the file's dir
local pluginfile = opts.dl.dir .. '/' ..
string.match(plugins[i][1], '/([^/]+)$'):gsub('.git', '') ..
'/' .. plugins[i]['file']
-- get the dest dir
local destfile = mp.command_native({'expand-path', '~~/'}) ..
'/' .. plugins[i]['dir'] ..
'/' .. plugins[i]['file']
if fileexists(pluginfile) then
-- if we need to update, update
if checkupdates(i) then
logwrite(plugins[i]['file'] .. ' is updating.')
clonegit(i)
else
logwrite(plugins[i]['file'] .. ' is up to date!')
end
else
clonegit(i)
end
-- copy the file contents over to the desired location
local infile = io.open(pluginfile, 'r')
local outfile = io.open(destfile, 'w')
outfile:write(infile:read('*a'))
outfile:close()
infile:close()
end
end
local function initupdate()
openlog()
logwrite('# of plugins defined in table: ' .. tablelength(plugins))
os.execute('mkdir -p ' .. opts.dl.dir) -- make download dir
startinstall()
-- closing/removing everything
if opts.dl.powerwash == true then
logwrite('powerwashing the tmp dir "' .. opts.dl.dir .. '"')
os.execute('rm -rf ' .. opts.dl.dir)
end
closelog()
end
-- run any user defined configs at startup
-- NOTE: This is kinda useless and might be removed if there is no way to make
-- it run in the desired plugin's thread
local function runopts()
openlog()
for i = 1, tablelength(plugins) do
if plugins[i]['cfg'] then
logwrite('Running ' .. plugins[i]['file'] .. '\'s config')
plugins[i]['cfg']()
end
end
closelog()
end
-- remove logfile on startup
if opts.logging.log then
openlog()
os.remove(fn)
closelog()
end
runopts()
mp.add_key_binding(opts.bind, 'UpdatePlugins', initupdate)
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