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local Optional = require "mason-core.optional"
local Purl = require "mason-core.purl"
local Result = require "mason-core.result"
local _ = require "mason-core.functional"
local a = require "mason-core.async"
local link = require "mason-core.installer.registry.link"
local log = require "mason-core.log"
local schemas = require "mason-core.installer.registry.schemas"
local util = require "mason-core.installer.registry.util"
local M = {}
M.SCHEMA_CAP = _.set_of {
"registry+v1",
}
---@type table<string, InstallerProvider>
local PROVIDERS = {}
---@param id string
---@param provider InstallerProvider
function M.register_provider(id, provider)
PROVIDERS[id] = provider
end
M.register_provider("cargo", _.lazy_require "mason-core.installer.registry.providers.cargo")
M.register_provider("composer", _.lazy_require "mason-core.installer.registry.providers.composer")
M.register_provider("gem", _.lazy_require "mason-core.installer.registry.providers.gem")
M.register_provider("generic", _.lazy_require "mason-core.installer.registry.providers.generic")
M.register_provider("github", _.lazy_require "mason-core.installer.registry.providers.github")
M.register_provider("golang", _.lazy_require "mason-core.installer.registry.providers.golang")
M.register_provider("luarocks", _.lazy_require "mason-core.installer.registry.providers.luarocks")
M.register_provider("npm", _.lazy_require "mason-core.installer.registry.providers.npm")
M.register_provider("nuget", _.lazy_require "mason-core.installer.registry.providers.nuget")
M.register_provider("opam", _.lazy_require "mason-core.installer.registry.providers.opam")
M.register_provider("pypi", _.lazy_require "mason-core.installer.registry.providers.pypi")
---@param purl Purl
local function get_provider(purl)
return Optional.of_nilable(PROVIDERS[purl.type]):ok_or(("Unknown purl type: %s"):format(purl.type))
end
---@class InstallerProvider
---@field parse fun(source: RegistryPackageSource, purl: Purl, opts: PackageInstallOpts): Result
---@field install async fun(ctx: InstallContext, source: ParsedPackageSource, purl: Purl): Result
---@field get_versions async fun(purl: Purl, source: RegistryPackageSource): Result # Result<string[]>
---@class ParsedPackageSource
---Upserts {dst} with contents of {src}. List table values will be merged, with contents of {src} prepended.
---@param dst table
---@param src table
local function upsert(dst, src)
for k, v in pairs(src) do
if type(v) == "table" then
if vim.tbl_islist(v) then
dst[k] = _.concat(v, dst[k] or {})
else
dst[k] = upsert(dst[k] or {}, src[k])
end
else
dst[k] = v
end
end
return dst
end
---@param source RegistryPackageSource
---@param version string
local function coalesce_source(source, version)
if source.version_overrides then
for i = #source.version_overrides, 1, -1 do
local version_override = source.version_overrides[i]
local version_type, constraint = unpack(_.split(":", version_override.constraint))
if version_type == "semver" then
local semver = require "mason-core.semver"
local version_match = Result.try(function(try)
local requested_version = try(semver.parse(version))
if _.starts_with("<=", constraint) then
local rule_version = try(semver.parse(_.strip_prefix("<=", constraint)))
return requested_version <= rule_version
elseif _.starts_with(">=", constraint) then
local rule_version = try(semver.parse(_.strip_prefix(">=", constraint)))
return requested_version >= rule_version
else
local rule_version = try(semver.parse(constraint))
return requested_version == rule_version
end
end):get_or_else(false)
if version_match then
if version_override.id then
-- Because this entry provides its own purl id, it overrides the entire source definition.
return version_override
else
-- Upsert the default source with the contents of the version override.
return upsert(vim.deepcopy(source), _.dissoc("constraint", version_override))
end
end
end
end
end
return source
end
---@param spec RegistryPackageSpec
---@param opts PackageInstallOpts
function M.parse(spec, opts)
log.trace("Parsing spec", spec.name, opts)
return Result.try(function(try)
if not M.SCHEMA_CAP[spec.schema] then
return Result.failure(
("Current version of mason.nvim is not capable of parsing package schema version %q."):format(
spec.schema
)
)
end
local source = opts.version and coalesce_source(spec.source, opts.version) or spec.source
---@type Purl
local purl = try(Purl.parse(source.id))
log.trace("Parsed purl.", source.id, purl)
if opts.version then
purl.version = opts.version
end
---@type InstallerProvider
local provider = try(get_provider(purl))
log.trace("Found provider for purl.", source.id)
local parsed_source = try(provider.parse(source, purl, opts))
log.trace("Parsed source for purl.", source.id, parsed_source)
return {
provider = provider,
source = vim.tbl_extend("keep", parsed_source, source),
raw_source = source,
purl = purl,
}
end):on_failure(function(err)
log.debug("Failed to parse spec spec", spec.name, err)
end)
end
---@async
---@param spec RegistryPackageSpec
---@param opts PackageInstallOpts
function M.compile(spec, opts)
log.debug("Compiling installer.", spec.name, opts)
return Result.try(function(try)
-- Parsers run synchronously and may access API functions, so we schedule before-hand.
a.scheduler()
local map_parse_err = _.cond {
{
_.equals "PLATFORM_UNSUPPORTED",
function()
if opts.target then
return ("Platform %q is unsupported."):format(opts.target)
else
return "The current platform is unsupported."
end
end,
},
{ _.T, _.identity },
}
---@type { purl: Purl, provider: InstallerProvider, source: ParsedPackageSource, raw_source: RegistryPackageSource }
local parsed = try(M.parse(spec, opts):map_err(map_parse_err))
---@async
---@param ctx InstallContext
return function(ctx)
return Result.try(function(try)
if ctx.opts.version then
try(util.ensure_valid_version(function()
return parsed.provider.get_versions(parsed.purl, parsed.raw_source)
end))
end
-- Run installer
try(parsed.provider.install(ctx, parsed.source, parsed.purl))
if spec.schemas then
local result = schemas.download(ctx, spec, parsed.purl, parsed.source):on_failure(function(err)
log.error("Failed to download schemas", ctx.package, err)
end)
if opts.strict then
-- schema download sources are not considered stable nor a critical feature, so we only fail in strict mode
try(result)
end
end
-- Expand & register links
if spec.bin then
try(link.bin(ctx, spec, parsed.purl, parsed.source))
end
if spec.share then
try(link.share(ctx, spec, parsed.purl, parsed.source))
end
if spec.opt then
try(link.opt(ctx, spec, parsed.purl, parsed.source))
end
ctx.receipt:with_primary_source {
type = ctx.package.spec.schema,
id = Purl.compile(parsed.purl),
}
end):on_failure(function(err)
error(err, 0)
end)
end
end)
end
---@async
---@param spec RegistryPackageSpec
function M.get_versions(spec)
return Result.try(function(try)
---@type Purl
local purl = try(Purl.parse(spec.source.id))
---@type InstallerProvider
local provider = try(get_provider(purl))
return provider.get_versions(purl, spec.source)
end)
end
return M
|
