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local Data = require "nvim-lsp-installer.data"
local log = require "nvim-lsp-installer.log"
local process = require "nvim-lsp-installer.process"
local installers = require "nvim-lsp-installer.installers"
local platform = require "nvim-lsp-installer.platform"
local M = {}
---@param url string @The url to fetch.
---@param callback fun(err: string|nil, raw_data: string)
local function fetch(url, callback)
local stdio = process.in_memory_sink()
log.fmt_debug("Fetching URL %s", url)
local on_exit = function(success)
if success then
log.fmt_debug("Successfully fetched URL %s", url)
callback(nil, table.concat(stdio.buffers.stdout, ""))
else
local stderr = table.concat(stdio.buffers.stderr, "")
log.fmt_warn("Failed to fetch URL %s. stderr=%s", url, stderr)
callback(("Failed to fetch url %q.\n%s"):format(url, stderr), nil)
end
end
local job_variants = {
process.lazy_spawn("wget", {
args = { "-nv", "-O", "-", url },
stdio_sink = stdio.sink,
}),
process.lazy_spawn("curl", {
args = { "-fsSL", url },
stdio_sink = stdio.sink,
}),
}
if platform.is_win then
local ps_script = {
"$ProgressPreference = 'SilentlyContinue'",
("Write-Output (iwr -UseBasicParsing -Uri %q).Content"):format(url),
}
table.insert(
job_variants,
1,
process.lazy_spawn("powershell.exe", {
args = { "-NoProfile", "-Command", table.concat(ps_script, ";") },
stdio_sink = stdio.sink,
env = process.graft_env({}, { "PSMODULEPATH" }),
})
)
end
process.attempt {
jobs = job_variants,
on_iterate = function()
log.debug "Flushing stdout/stderr buffers."
stdio.buffers.stdout = {}
stdio.buffers.stderr = {}
end,
on_finish = on_exit,
}
end
---@param repo string @The GitHub repo ("username/repo").
function M.use_github_release(repo)
---@type ServerInstallerFunction
return function(server, callback, context)
if context.requested_server_version then
log.fmt_debug(
"Requested server version already provided (%s), skipping fetching latest release from GitHub.",
context.requested_server_version
)
-- User has already provided a version - don't fetch the latest version from GitHub
return callback(true)
end
context.stdio_sink.stdout "Fetching latest release version from GitHub API...\n"
fetch(
("https://api.github.com/repos/%s/releases/latest"):format(repo),
vim.schedule_wrap(function(err, response)
if err then
context.stdio_sink.stderr(tostring(err))
return callback(false)
end
local version = Data.json_decode(response).tag_name
log.debug("Resolved latest version", server.name, repo, version)
context.requested_server_version = version
callback(true)
end)
)
end
end
---@param repo string @The GitHub report ("username/repo").
---@param file string|fun(resolved_version: string): string @The name of a file available in the provided repo's GitHub releases.
function M.use_github_release_file(repo, file)
return installers.pipe {
M.use_github_release(repo),
function(server, callback, context)
local function get_download_url(version)
local target_file = type(file) == "function" and file(version) or file
if not target_file then
log.fmt_error(
"Unable to find which release file to download. server_name=%s, repo=%s",
server.name,
repo
)
context.stdio_sink.stderr(
(
"Could not find which release file to download. Most likely, the current operating system or architecture (%s) is not supported.\n"
):format(platform.arch)
)
return nil
end
return ("https://github.com/%s/releases/download/%s/%s"):format(repo, version, target_file)
end
local download_url = get_download_url(context.requested_server_version)
if not download_url then
return callback(false)
end
context.github_release_file = download_url
callback(true)
end,
}
end
---Creates an installer that moves the current installation directory to the server's root directory.
function M.promote_install_dir()
---@type ServerInstallerFunction
return function(server, callback, context)
if server:promote_install_dir(context.install_dir) then
context.install_dir = server.root_dir
callback(true)
else
context.stdio_sink.stderr(
("Failed to promote temporary install directory to %s.\n"):format(server.root_dir)
)
callback(false)
end
end
end
---Access the context ojbect to create a new installer.
---@param fn fun(context: ServerInstallContext): ServerInstallerFunction
function M.capture(fn)
---@type ServerInstallerFunction
return function(server, callback, context)
local installer = fn(context)
installer(server, callback, context)
end
end
---Update the context object.
---@param fn fun(context: ServerInstallContext): ServerInstallerFunction
function M.set(fn)
---@type ServerInstallerFunction
return function(_, callback, context)
fn(context)
callback(true)
end
end
return M
|
