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local Optional = require "mason-core.optional"
local Pkg = require "mason-core.package"
local Result = require "mason-core.result"
local _ = require "mason-core.functional"
local fetch = require "mason-core.fetch"
local fs = require "mason-core.fs"
local log = require "mason-core.log"
local path = require "mason-core.path"
local platform = require "mason-core.platform"
local providers = require "mason-core.providers"
local registry_installer = require "mason-core.installer.registry"
local settings = require "mason.settings"
local spawn = require "mason-core.spawn"
-- Parse sha256sum text output to a table<filename: string, sha256sum: string> structure
local parse_checksums = _.compose(_.from_pairs, _.map(_.compose(_.reverse, _.split " ")), _.split "\n", _.trim)
---@class GitHubRegistrySourceSpec
---@field id string
---@field repo string
---@field namespace string
---@field name string
---@field version string?
---@class GitHubRegistrySource : RegistrySource
---@field spec GitHubRegistrySourceSpec
---@field repo string
---@field root_dir string
---@field private data_file string
---@field private info_file string
---@field buffer table<string, Package>?
local GitHubRegistrySource = {}
GitHubRegistrySource.__index = GitHubRegistrySource
---@param spec GitHubRegistrySourceSpec
function GitHubRegistrySource.new(spec)
local root_dir = path.concat { path.registry_prefix(), "github", spec.namespace, spec.name }
return setmetatable({
id = spec.id,
spec = spec,
root_dir = root_dir,
data_file = path.concat { root_dir, "registry.json" },
info_file = path.concat { root_dir, "info.json" },
}, GitHubRegistrySource)
end
function GitHubRegistrySource:is_installed()
return fs.sync.file_exists(self.data_file)
end
function GitHubRegistrySource:reload()
if not self:is_installed() then
return
end
local data = vim.json.decode(fs.sync.read_file(self.data_file))
self.buffer = _.compose(
_.index_by(_.prop "name"),
_.filter_map(
---@param spec RegistryPackageSpec
function(spec)
-- registry+v1 specifications doesn't include a schema property, so infer it
spec.schema = spec.schema or "registry+v1"
if not registry_installer.SCHEMA_CAP[spec.schema] then
log.fmt_debug("Excluding package=%s with unsupported schema_version=%s", spec.name, spec.schema)
return Optional.empty()
end
-- hydrate Pkg.Lang index
_.each(function(lang)
local _ = Pkg.Lang[lang]
end, spec.languages)
-- XXX: this is for compatibilty with the PackageSpec structure
spec.desc = spec.description
local pkg = self.buffer and self.buffer[spec.name]
if pkg then
-- Apply spec to the existing Package instance. This is important as to not have lingering package
-- instances.
pkg.spec = spec
return Optional.of(pkg)
end
return Optional.of(Pkg.new(spec))
end
)
)(data)
return self.buffer
end
function GitHubRegistrySource:get_buffer()
return self.buffer or self:reload() or {}
end
---@param pkg string
---@return Package?
function GitHubRegistrySource:get_package(pkg)
return self:get_buffer()[pkg]
end
function GitHubRegistrySource:get_all_package_names()
return _.keys(self:get_buffer())
end
function GitHubRegistrySource:get_installer()
return Optional.of(_.partial(self.install, self))
end
---@async
function GitHubRegistrySource:install()
return Result.try(function(try)
local version = self.spec.version
if self:is_installed() and version ~= nil then
-- Fixed version - nothing to update
return
end
if not fs.async.dir_exists(self.root_dir) then
log.debug("Creating registry directory", self)
try(Result.pcall(fs.async.mkdirp, self.root_dir))
end
if version == nil then
log.trace("Resolving latest version for registry", self)
---@type GitHubRelease
local release = try(providers.github.get_latest_release(self.spec.repo))
version = release.tag_name
log.trace("Resolved latest registry version", self, version)
end
try(fetch(settings.current.github.download_url_template:format(self.spec.repo, version, "registry.json.zip"), {
out_file = path.concat { self.root_dir, "registry.json.zip" },
}):map_err(_.always "Failed to download registry.json.zip."))
local checksums = try(
fetch(settings.current.github.download_url_template:format(self.spec.repo, version, "checksums.txt")):map_err(
_.always "Failed to download checksums.txt."
)
)
local parsed_checksums = parse_checksums(checksums)
platform.when {
unix = function()
try(spawn.unzip({ "-o", "registry.json.zip", cwd = self.root_dir }):map_err(function(err)
return ("Failed to unpack registry contents: %s"):format(err.stderr)
end))
end,
win = function()
local powershell = require "mason-core.managers.powershell"
powershell
.command(
("Microsoft.PowerShell.Archive\\Expand-Archive -Force -Path %q -DestinationPath ."):format "registry.json.zip",
{
cwd = self.root_dir,
}
)
:map_err(function(err)
return ("Failed to unpack registry contents: %s"):format(err.stderr)
end)
end,
}
pcall(fs.async.unlink, path.concat { self.root_dir, "registry.json.zip" })
try(Result.pcall(
fs.async.write_file,
self.info_file,
vim.json.encode {
checksums = parsed_checksums,
version = version,
download_timestamp = os.time(),
}
))
end)
:on_success(function()
self:reload()
end)
:on_failure(function(err)
log.fmt_error("Failed to install registry %s. %s", self, err)
end)
end
---@return { checksums: table<string, string>, version: string, download_timestamp: integer }
function GitHubRegistrySource:get_info()
return vim.json.decode(fs.sync.read_file(self.info_file))
end
function GitHubRegistrySource:get_display_name()
if self:is_installed() then
local info = self:get_info()
return ("github.com/%s version: %s"):format(self.spec.repo, info.version)
else
return ("github.com/%s [uninstalled]"):format(self.spec.repo)
end
end
function GitHubRegistrySource:__tostring()
if self.spec.version then
return ("GitHubRegistrySource(repo=%s, version=%s)"):format(self.spec.repo, self.spec.version)
else
return ("GitHubRegistrySource(repo=%s)"):format(self.spec.repo)
end
end
return GitHubRegistrySource
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