1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
local _ = require "mason-core.functional"
local M = {}
local uname = vim.loop.os_uname()
---@alias Platform
---| '"darwin_arm64"'
---| '"darwin_x64"'
---| '"linux_arm"'
---| '"linux_arm64"'
---| '"linux_arm64_gnu"'
---| '"linux_arm64_openbsd"'
---| '"linux_arm_gnu"'
---| '"linux_x64"'
---| '"linux_x64_gnu"'
---| '"linux_x64_openbsd"'
---| '"linux_x86"'
---| '"linux_x86_gnu"'
---| '"win_arm"'
---| '"win_arm64"'
---| '"win_x64"'
---| '"win_x86"'
local arch_aliases = {
["x86_64"] = "x64",
["i386"] = "x86",
["i686"] = "x86", -- x86 compat
["aarch64"] = "arm64",
["aarch64_be"] = "arm64",
["armv8b"] = "arm64", -- arm64 compat
["armv8l"] = "arm64", -- arm64 compat
}
M.arch = arch_aliases[uname.machine] or uname.machine
M.sysname = uname.sysname
M.is_headless = #vim.api.nvim_list_uis() == 0
local function system(args)
if vim.fn.executable(args[1]) == 1 then
local ok, output = pcall(vim.fn.system, args)
if ok and (vim.v.shell_error == 0 or vim.v.shell_error == 1) then
return true, output
end
return false, output
end
return false, args[1] .. " is not executable"
end
---@type fun(): ('"glibc"' | '"musl"')?
local get_libc = _.lazy(function()
local getconf_ok, getconf_output = system { "getconf", "GNU_LIBC_VERSION" }
if getconf_ok and getconf_output:find "glibc" then
return "glibc"
end
local ldd_ok, ldd_output = system { "ldd", "--version" }
if ldd_ok then
if ldd_output:find "musl" then
return "musl"
elseif ldd_output:find "GLIBC" or ldd_output:find "glibc" or ldd_output:find "GNU" then
return "glibc"
end
end
end)
-- Most of the code that calls into these functions executes outside of the main event loop, where API/fn functions are
-- disabled. We evaluate these immediately here to avoid issues with main loop synchronization.
M.cached_features = {
["win"] = vim.fn.has "win32",
["win32"] = vim.fn.has "win32",
["win64"] = vim.fn.has "win64",
["mac"] = vim.fn.has "mac",
["darwin"] = vim.fn.has "mac",
["unix"] = vim.fn.has "unix",
["linux"] = vim.fn.has "linux",
["nvim-0.11"] = vim.fn.has "nvim-0.11",
}
---@type fun(env: string): boolean
local check_env = _.memoize(_.cond {
{
_.equals "musl",
function()
return get_libc() == "musl"
end,
},
{
_.equals "gnu",
function()
return get_libc() == "glibc"
end,
},
{ _.equals "openbsd", _.always(uname.sysname == "OpenBSD") },
{ _.T, _.F },
})
---Table that allows for checking whether the provided targets apply to the current system.
---Each key is a target tuple consisting of at most 3 targets, in the following order:
--- 1) OS (e.g. linux, unix, darwin, win) - Mandatory
--- 2) Architecture (e.g. arm64, x64) - Optional
--- 3) Environment (e.g. gnu, musl, openbsd) - Optional
---Each target is separated by a "_" character, like so: "linux_x64_musl".
---@type table<string, boolean>
M.is = setmetatable({}, {
__index = function(__, key)
local os, arch, env = unpack(vim.split(key, "_", { plain = true }))
if not M.cached_features[os] or M.cached_features[os] ~= 1 then
return false
end
if arch and arch ~= M.arch then
return false
end
if env and not check_env(env) then
return false
end
return true
end,
})
---@generic T
---@param platform_table table<Platform, T>
---@return T
local function get_by_platform(platform_table)
if M.is.darwin then
return platform_table.darwin or platform_table.mac or platform_table.unix
elseif M.is.linux then
return platform_table.linux or platform_table.unix
elseif M.is.unix then
return platform_table.unix
elseif M.is.win then
return platform_table.win
else
return nil
end
end
function M.when(cases)
local case = get_by_platform(cases)
if case then
return case()
else
error "Current platform is not supported."
end
end
---@type async fun(): table
M.os_distribution = _.lazy(function()
local parse_os_release = _.compose(_.from_pairs, _.map(_.split "="), _.split "\n")
---@param entries table<string, string>
local function parse_ubuntu(entries)
-- Parses the Ubuntu OS VERSION_ID into their version components, e.g. "18.04" -> {major=18, minor=04}
local version_id = entries.VERSION_ID:gsub([["]], "")
local version_parts = vim.split(version_id, "%.")
local major = tonumber(version_parts[1])
local minor = tonumber(version_parts[2])
return {
id = "ubuntu",
version_id = version_id,
version = { major = major, minor = minor },
}
end
---@param entries table<string, string>
local function parse_centos(entries)
-- Parses the CentOS VERSION_ID into a major version (the only thing available).
local version_id = entries.VERSION_ID:gsub([["]], "")
local major = tonumber(version_id)
return {
id = "centos",
version_id = version_id,
version = { major = major },
}
end
---Parses the provided contents of an /etc/*-release file and identifies the Linux distribution.
local parse_linux_dist = _.cond {
{ _.prop_eq("ID", "ubuntu"), parse_ubuntu },
{ _.prop_eq("ID", [["centos"]]), parse_centos },
{ _.T, _.always { id = "linux-generic", version = {} } },
}
return M.when {
linux = function()
local spawn = require "mason-core.spawn"
return spawn
.bash({ "-c", "cat /etc/*-release" })
:map_catching(_.compose(parse_linux_dist, parse_os_release, _.prop "stdout"))
:recover(function()
return { id = "linux-generic", version = {} }
end)
:get_or_throw()
end,
darwin = function()
return { id = "macOS", version = {} }
end,
win = function()
return { id = "windows", version = {} }
end,
}
end)
---@type async fun(): Result<string>
M.get_homebrew_prefix = _.lazy(function()
assert(M.is.darwin, "Can only locate Homebrew installation on Mac systems.")
local spawn = require "mason-core.spawn"
return spawn
.brew({ "--prefix" })
:map_catching(function(result)
return vim.trim(result.stdout)
end)
:map_err(function()
return "Failed to locate Homebrew installation."
end)
end)
---@async
function M.get_node_version()
local spawn = require "mason-core.spawn"
return spawn.node({ "--version" }):map(function(result)
-- Parses output such as "v16.3.1" into major, minor, patch
local _, _, major, minor, patch = _.head(_.split("\n", result.stdout)):find "v(%d+)%.(%d+)%.(%d+)"
return { major = tonumber(major), minor = tonumber(minor), patch = tonumber(patch) }
end)
end
-- PATH separator
M.path_sep = M.is.win and ";" or ":"
return M
|
