add rnix (#408)

11 files changed, 172 insertions, 0 deletions

diff --git a/lua/nvim-lsp-installer/_generated/filetype_map.lua b/lua/nvim-lsp-installer/_generated/filetype_map.lua
index 802b6742..0d62a8fb 100644
--- a/lua/nvim-lsp-installer/_generated/filetype_map.lua
+++ b/lua/nvim-lsp-installer/_generated/filetype_map.lua
@@ -65,6 +65,7 @@ return {
   mustache = { "tailwindcss" },
   mysql = { "sqlls", "sqls" },
   nim = { "nimls" },
+  nix = { "rnix" },
   njk = { "tailwindcss" },
   nunjucks = { "tailwindcss" },
   objc = { "ccls", "clangd" },
diff --git a/lua/nvim-lsp-installer/_generated/language_autocomplete_map.lua b/lua/nvim-lsp-installer/_generated/language_autocomplete_map.lua
index 7950cc14..b431c2f0 100644
--- a/lua/nvim-lsp-installer/_generated/language_autocomplete_map.lua
+++ b/lua/nvim-lsp-installer/_generated/language_autocomplete_map.lua
@@ -16,6 +16,7 @@ return {
   latex = { "ltex", "texlab" },
   lua = { "sumneko_lua" },
   markdown = { "remark_ls", "zk" },
+  nix = { "rnix" },
   ["objective-c"] = { "ccls" },
   openapi = { "spectral" },
   php = { "intelephense", "phpactor" },
diff --git a/lua/nvim-lsp-installer/_generated/metadata.lua b/lua/nvim-lsp-installer/_generated/metadata.lua
index 4cb7ebb0..0ae0be89 100644
--- a/lua/nvim-lsp-installer/_generated/metadata.lua
+++ b/lua/nvim-lsp-installer/_generated/metadata.lua
@@ -169,6 +169,9 @@ return {
   rescriptls = {
     filetypes = { "rescript" }
   },
+  rnix = {
+    filetypes = { "nix" }
+  },
   rome = {
     filetypes = { "javascript", "javascriptreact", "json", "typescript", "typescript.tsx", "typescriptreact" }
   },
diff --git a/lua/nvim-lsp-installer/core/clients/crates.lua b/lua/nvim-lsp-installer/core/clients/crates.lua
new file mode 100644
index 00000000..f12a8356
--- /dev/null
+++ b/lua/nvim-lsp-installer/core/clients/crates.lua
@@ -0,0 +1,23 @@
+local fetch = require "nvim-lsp-installer.core.fetch"
+local M = {}
+
+---@alias Crate {crate: {id: string, max_stable_version: string, max_version: string, newest_version: string}}
+
+---@param crate string
+---@param callback fun(err: string|nil, data: Crate|nil)
+function M.fetch_crate(crate, callback)
+    fetch(("https://crates.io/api/v1/crates/%s"):format(crate), function(err, data)
+        if err then
+            callback(err, nil)
+            return
+        end
+        local ok, response = pcall(vim.json.decode, data)
+        if not ok then
+            callback("Failed to deserialize crates.io API response.", nil)
+            return
+        end
+        callback(nil, response)
+    end)
+end
+
+return M
diff --git a/lua/nvim-lsp-installer/core/receipt.lua b/lua/nvim-lsp-installer/core/receipt.lua
index 834bb68c..c29ebde7 100644
--- a/lua/nvim-lsp-installer/core/receipt.lua
+++ b/lua/nvim-lsp-installer/core/receipt.lua
@@ -9,6 +9,7 @@ local M = {}
 ---| '"pip3"'
 ---| '"gem"'
 ---| '"go"'
+---| '"cargo"'
 ---| '"dotnet"'
 ---| '"unmanaged"'
 ---| '"system"'
@@ -115,6 +116,7 @@ InstallReceiptBuilder.pip3 = package_source "pip3"
 InstallReceiptBuilder.gem = package_source "gem"
 InstallReceiptBuilder.go = package_source "go"
 InstallReceiptBuilder.dotnet = package_source "dotnet"
+InstallReceiptBuilder.cargo = package_source "cargo"
 
 InstallReceiptBuilder.unmanaged = { type = "unmanaged" }
 
diff --git a/lua/nvim-lsp-installer/installers/cargo.lua b/lua/nvim-lsp-installer/installers/cargo.lua
new file mode 100644
index 00000000..11b69ea5
--- /dev/null
+++ b/lua/nvim-lsp-installer/installers/cargo.lua
@@ -0,0 +1,33 @@
+local process = require "nvim-lsp-installer.process"
+local path = require "nvim-lsp-installer.path"
+
+local M = {}
+
+---@param crate string The crate to install.
+function M.crate(crate)
+    ---@type ServerInstallerFunction
+    return function(_, callback, ctx)
+        local args = { "install", "--root", ".", "--locked" }
+        if ctx.requested_server_version then
+            vim.list_extend(args, { "--version", ctx.requested_server_version })
+        end
+        vim.list_extend(args, { crate })
+
+        ctx.receipt:with_primary_source(ctx.receipt.cargo(crate))
+
+        process.spawn("cargo", {
+            cwd = ctx.install_dir,
+            args = args,
+            stdio_sink = ctx.stdio_sink,
+        }, callback)
+    end
+end
+
+---@param root_dir string The directory to resolve the executable from.
+function M.env(root_dir)
+    return {
+        PATH = process.extend_path { path.concat { root_dir, "bin" } },
+    }
+end
+
+return M
diff --git a/lua/nvim-lsp-installer/jobs/outdated-servers/cargo.lua b/lua/nvim-lsp-installer/jobs/outdated-servers/cargo.lua
new file mode 100644
index 00000000..19fe7448
--- /dev/null
+++ b/lua/nvim-lsp-installer/jobs/outdated-servers/cargo.lua
@@ -0,0 +1,59 @@
+local process = require "nvim-lsp-installer.process"
+local VersionCheckResult = require "nvim-lsp-installer.jobs.outdated-servers.version-check-result"
+local crates = require "nvim-lsp-installer.core.clients.crates"
+
+---@param output string The `cargo install --list` output.
+local function parse_installed_crates(output)
+    local installed_crates = {}
+    for _, line in ipairs(vim.split(output, "\n")) do
+        local name, version = line:match "^(.+)%s+v([.%S]+)[%s:]"
+        if name and version then
+            installed_crates[name] = version
+        end
+    end
+    return installed_crates
+end
+
+---@param server Server
+---@param source InstallReceiptSource
+---@param on_result fun(result: VersionCheckResult)
+local function cargo_check(server, source, on_result)
+    local stdio = process.in_memory_sink()
+    process.spawn("cargo", {
+        args = { "install", "--list", "--root", "." },
+        cwd = server.root_dir,
+        stdio_sink = stdio.sink,
+    }, function(success)
+        if not success then
+            return on_result(VersionCheckResult.fail(server))
+        end
+        local installed_crates = parse_installed_crates(table.concat(stdio.buffers.stdout, ""))
+        if not installed_crates[source.package] then
+            return on_result(VersionCheckResult.fail(server))
+        end
+        crates.fetch_crate(source.package, function(err, response)
+            if err then
+                return on_result(VersionCheckResult.fail(server))
+            end
+            if response.crate.max_stable_version ~= installed_crates[source.package] then
+                return on_result(VersionCheckResult.success(server, {
+                    {
+                        name = source.package,
+                        current_version = installed_crates[source.package],
+                        latest_version = response.crate.max_stable_version,
+                    },
+                }))
+            else
+                return on_result(VersionCheckResult.empty(server))
+            end
+        end)
+    end)
+end
+
+return setmetatable({
+    parse_installed_crates = parse_installed_crates,
+}, {
+    __call = function(_, ...)
+        return cargo_check(...)
+    end,
+})
diff --git a/lua/nvim-lsp-installer/jobs/outdated-servers/init.lua b/lua/nvim-lsp-installer/jobs/outdated-servers/init.lua
index 31015b72..c2c45178 100644
--- a/lua/nvim-lsp-installer/jobs/outdated-servers/init.lua
+++ b/lua/nvim-lsp-installer/jobs/outdated-servers/init.lua
@@ -3,6 +3,7 @@ local VersionCheckResult = require "nvim-lsp-installer.jobs.outdated-servers.ver
 local log = require "nvim-lsp-installer.log"
 
 local npm_check = require "nvim-lsp-installer.jobs.outdated-servers.npm"
+local cargo_check = require "nvim-lsp-installer.jobs.outdated-servers.cargo"
 local pip3_check = require "nvim-lsp-installer.jobs.outdated-servers.pip3"
 local gem_check = require "nvim-lsp-installer.jobs.outdated-servers.gem"
 local git_check = require "nvim-lsp-installer.jobs.outdated-servers.git"
@@ -23,6 +24,7 @@ end
 local checkers = {
     ["npm"] = npm_check,
     ["pip3"] = pip3_check,
+    ["cargo"] = cargo_check,
     ["gem"] = gem_check,
     ["go"] = noop, -- TODO
     ["dotnet"] = noop, -- TODO
diff --git a/lua/nvim-lsp-installer/servers/init.lua b/lua/nvim-lsp-installer/servers/init.lua
index 6fbd33ef..e911fdf8 100644
--- a/lua/nvim-lsp-installer/servers/init.lua
+++ b/lua/nvim-lsp-installer/servers/init.lua
@@ -40,6 +40,7 @@ local CORE_SERVERS = Data.set_of {
     "clangd",
     "clojure_lsp",
     "cmake",
+    "rnix",
     "codeqlls",
     "csharp_ls",
     "cssls",
diff --git a/lua/nvim-lsp-installer/servers/rnix/init.lua b/lua/nvim-lsp-installer/servers/rnix/init.lua
new file mode 100644
index 00000000..35290aae
--- /dev/null
+++ b/lua/nvim-lsp-installer/servers/rnix/init.lua
@@ -0,0 +1,15 @@
+local server = require "nvim-lsp-installer.server"
+local cargo = require "nvim-lsp-installer.installers.cargo"
+
+return function(name, root_dir)
+    return server.Server:new {
+        name = name,
+        root_dir = root_dir,
+        languages = { "nix" },
+        homepage = "https://github.com/nix-community/rnix-lsp",
+        installer = cargo.crate "rnix-lsp",
+        default_options = {
+            cmd_env = cargo.env(root_dir),
+        },
+    }
+end
diff --git a/tests/jobs/outdated-servers/cargo_spec.lua b/tests/jobs/outdated-servers/cargo_spec.lua
new file mode 100644
index 00000000..f99e6b7c
--- /dev/null
+++ b/tests/jobs/outdated-servers/cargo_spec.lua
@@ -0,0 +1,32 @@
+local cargo_check = require "nvim-lsp-installer.jobs.outdated-servers.cargo"
+
+describe("cargo outdated package checker", function()
+    it("parses cargo installed packages output", function()
+        assert.equal(
+            vim.inspect {
+                ["bat"] = "0.18.3",
+                ["exa"] = "0.10.1",
+                ["git-select-branch"] = "0.1.1",
+                ["hello_world"] = "0.0.1",
+                ["rust-analyzer"] = "0.0.0",
+                ["stylua"] = "0.11.2",
+                ["zoxide"] = "0.5.0",
+            },
+            vim.inspect(cargo_check.parse_installed_crates [[bat v0.18.3:
+    bat
+exa v0.10.1:
+    exa
+git-select-branch v0.1.1:
+    git-select-branch
+hello_world v0.0.1 (/private/var/folders/ky/s6yyhm_d24d0jsrql4t8k4p40000gn/T/tmp.LGbguATJHj):
+    hello_world
+rust-analyzer v0.0.0 (/private/var/folders/ky/s6yyhm_d24d0jsrql4t8k4p40000gn/T/tmp.YlsHeA9JVL/crates/rust-analyzer):
+    rust-analyzer
+stylua v0.11.2:
+    stylua
+zoxide v0.5.0:
+    zoxide
+]])
+        )
+    end)
+end)