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---@class RegistrySource
---@field id string
---@field get_package fun(self: RegistrySource, pkg_name: string): Package?
---@field get_all_package_names fun(self: RegistrySource): string[]
---@field get_all_package_specs fun(self: RegistrySource): RegistryPackageSpec[]
---@field get_display_name fun(self: RegistrySource): string
---@field is_installed fun(self: RegistrySource): boolean
---@field install fun(self: RegistrySource): Result
---@alias RegistrySourceType '"github"' | '"lua"' | '"file"'
---@class LazySource
---@field type RegistrySourceType
---@field id string
---@field init fun(id: string): RegistrySource
local LazySource = {}
LazySource.__index = LazySource
---@param id string
function LazySource.GitHub(id)
local namespace, name = id:match "^(.+)/(.+)$"
if not namespace or not name then
error(("Failed to parse repository from GitHub registry: %q"):format(id), 0)
end
local name, version = unpack(vim.split(name, "@"))
local GitHubRegistrySource = require "mason-registry.sources.github"
return GitHubRegistrySource:new {
id = id,
namespace = namespace,
name = name,
version = version,
}
end
---@param id string
function LazySource.Lua(id)
local LuaRegistrySource = require "mason-registry.sources.lua"
return LuaRegistrySource:new {
id = id,
mod = id,
}
end
---@param id string
function LazySource.File(id)
local FileRegistrySource = require "mason-registry.sources.file"
return FileRegistrySource:new {
id = id,
path = id,
}
end
---@param type RegistrySourceType
---@param id string
---@param init fun(id: string): RegistrySource
function LazySource:new(type, id, init)
local instance = setmetatable({}, self)
instance.type = type
instance.id = id
instance.init = init
return instance
end
function LazySource:get()
if not self.instance then
self.instance = self.init(self.id)
end
return self.instance
end
function LazySource:__tostring()
return ("LazySource(type=%s, id=%s)"):format(self.type, self.id)
end
---@param str string
local function split_once_left(str, char)
for i = 1, #str do
if str:sub(i, i) == char then
local segment = str:sub(1, i - 1)
return segment, str:sub(i + 1)
end
end
return str
end
---@param registry_id string
local function parse(registry_id)
local type, id = split_once_left(registry_id, ":")
assert(id, ("Malformed registry %q"):format(registry_id))
if type == "github" then
return LazySource:new(type, id, LazySource.GitHub)
elseif type == "lua" then
return LazySource:new(type, id, LazySource.Lua)
elseif type == "file" then
return LazySource:new(type, id, LazySource.File)
end
error(("Unknown registry type: %s"):format(type))
end
---@class LazySourceCollection
---@field list LazySource[]
local LazySourceCollection = {}
LazySourceCollection.__index = LazySourceCollection
---@return LazySourceCollection
function LazySourceCollection:new()
local instance = {}
setmetatable(instance, self)
instance.list = {}
return instance
end
---@param registry string
function LazySourceCollection:append(registry)
table.insert(self.list, parse(registry))
return self
end
---@param registry string
function LazySourceCollection:prepend(registry)
table.insert(self.list, 1, parse(registry))
return self
end
function LazySourceCollection:is_all_installed()
for source in self:iterate { include_uninstalled = true } do
if not source:is_installed() then
return false
end
end
return true
end
function LazySourceCollection:checksum()
---@type string[]
local registry_ids = vim.tbl_map(
---@param source LazySource
function(source)
return source.id
end,
self.list
)
table.sort(registry_ids)
return vim.fn.sha256(table.concat(registry_ids, ""))
end
---@param opts? { include_uninstalled?: boolean }
function LazySourceCollection:iterate(opts)
opts = opts or {}
local idx = 1
return function()
while idx <= #self.list do
local source = self.list[idx]:get()
idx = idx + 1
if opts.include_uninstalled or source:is_installed() then
return source
end
end
end
end
---@param opts? { include_uninstalled?: boolean }
function LazySourceCollection:to_list(opts)
opts = opts or {}
local list = {}
for source in self:iterate(opts) do
table.insert(list, source)
end
return list
end
function LazySourceCollection:__tostring()
return ("LazySourceCollection(list={%s})"):format(table.concat(vim.tbl_map(tostring, self.list), ", "))
end
return LazySourceCollection
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