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local _ = require "mason-core.functional"
local M = {}
---@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
---@return fun(): RegistrySource # Thunk to instantiate provider.
local function parse(registry_id)
local type, id = split_once_left(registry_id, ":")
if type == "github" then
local namespace, name = id:match "^(.+)/(.+)$"
if not namespace or not name then
error(("Failed to parse repository from GitHub registry: %q."):format(registry_id), 0)
end
local name, version = unpack(vim.split(name, "@"))
return function()
local GitHubRegistrySource = require "mason-registry.sources.github"
return GitHubRegistrySource.new {
id = registry_id,
repo = ("%s/%s"):format(namespace, name),
namespace = namespace,
name = name,
version = version,
}
end
elseif type == "lua" then
return function()
local LuaRegistrySource = require "mason-registry.sources.lua"
return LuaRegistrySource.new {
id = registry_id,
mod = id,
}
end
elseif type == "file" then
return function()
local FileRegistrySource = require "mason-registry.sources.file"
return FileRegistrySource.new {
path = id,
}
end
elseif type ~= nil then
error(("Unknown registry type %q: %q."):format(type, registry_id), 0)
end
error(("Malformed registry id: %q."):format(registry_id), 0)
end
---@type ((fun(): RegistrySource) | RegistrySource)[]
local registries = {}
---@param registry_ids string[]
function M.set_registries(registry_ids)
registries = {}
for _, registry in ipairs(registry_ids) do
local ok, err = pcall(function()
table.insert(registries, parse(registry))
end)
if not ok then
local log = require "mason-core.log"
local notify = require "mason-core.notify"
log.fmt_error("Failed to parse registry %q: %s", registry, err)
notify(err, vim.log.levels.ERROR)
end
end
end
---@param opts? { include_uninstalled?: boolean }
function M.iter(opts)
opts = opts or {}
local i = 1
return function()
while i <= #registries do
local registry = registries[i]
if type(registry) == "function" then
-- unwrap thunk
registry = registry()
registries[i] = registry
end
i = i + 1
if opts.include_uninstalled or registry:is_installed() then
return registry
end
end
end
end
---@return boolean #Returns true if all sources are installed.
function M.is_installed()
for source in M.iter { include_uninstalled = true } do
if not source:is_installed() then
return false
end
end
return true
end
---@return string # The sha256 checksum of the currently registered sources.
function M.checksum()
---@type string[]
local registry_ids = {}
for source in M.iter { include_uninstalled = true } do
table.insert(registry_ids, source.id)
end
local checksum = _.compose(vim.fn.sha256, _.join "", _.sort_by(_.identity))
return checksum(registry_ids)
end
return M
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