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local log = require "nvim-lsp-installer.log"
local process = require "nvim-lsp-installer.process"
local platform = require "nvim-lsp-installer.platform"
---@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
return fetch
|
