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local a = require "mason-core.async"
local log = require "mason-core.log"
local OneShotChannel = require("mason-core.async.control").OneShotChannel
local Result = require "mason-core.result"
local _ = require "mason-core.functional"
local fs = require "mason-core.fs"
local path = require "mason-core.path"
local M = {}
local STATE_FILE = path.concat { vim.fn.stdpath "cache", "mason-registry-update" }
---@param sources LazySourceCollection
---@param time integer
local function update_registry_state(sources, time)
log.trace("Updating registry state", sources, time)
local dir = vim.fn.fnamemodify(STATE_FILE, ":h")
if not fs.sync.dir_exists(dir) then
fs.sync.mkdirp(dir)
end
fs.sync.write_file(STATE_FILE, _.join("\n", { sources:checksum(), tostring(time) }))
end
---@return { checksum: string, timestamp: integer }?
function M.get_registry_state()
if fs.sync.file_exists(STATE_FILE) then
local parse_state_file =
_.compose(_.evolve { timestamp = tonumber }, _.zip_table { "checksum", "timestamp" }, _.split "\n")
return parse_state_file(fs.sync.read_file(STATE_FILE))
end
end
---@async
---@param sources LazySourceCollection
---@return Result # Result<RegistrySource[]>
function M.install(sources)
log.debug("Installing registries.", sources)
assert(not M.channel, "Cannot install when channel is active.")
M.channel = OneShotChannel:new()
local results = {
a.wait_all(_.map(
---@param source RegistrySource
function(source)
return function()
log.trace("Installing registry.", source)
return source:install():map(_.always(source)):map_err(function(err)
return ("%s failed to install: %s"):format(source, err)
end)
end
end,
sources:to_list { include_uninstalled = true }
)),
}
local any_failed = _.any(Result.is_failure, results)
if any_failed then
local unwrap_failures = _.compose(_.map(Result.err_or_nil), _.filter(Result.is_failure))
local result = Result.failure(unwrap_failures(results))
M.channel:send(result)
M.channel = nil
return result
else
local result = Result.success(_.map(Result.get_or_nil, results))
a.scheduler()
update_registry_state(sources, os.time())
M.channel:send(result)
M.channel = nil
return result
end
end
return M
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