add lemminx (#131)

3 files changed, 62 insertions, 0 deletions

diff --git a/lua/nvim-lsp-installer/fs.lua b/lua/nvim-lsp-installer/fs.lua
index 9afdbe51..ab775f4d 100644
--- a/lua/nvim-lsp-installer/fs.lua
+++ b/lua/nvim-lsp-installer/fs.lua
@@ -16,6 +16,12 @@ function M.rmrf(path)
     end
 end
 
+function M.rename(path, new_path)
+    assert_ownership(path)
+    assert_ownership(new_path)
+    return uv.fs_rename(path, new_path)
+end
+
 function M.mkdirp(path)
     assert_ownership(path)
     if vim.fn.mkdir(path, "p") ~= 1 then
diff --git a/lua/nvim-lsp-installer/servers/init.lua b/lua/nvim-lsp-installer/servers/init.lua
index 096e9397..fd2b83ed 100644
--- a/lua/nvim-lsp-installer/servers/init.lua
+++ b/lua/nvim-lsp-installer/servers/init.lua
@@ -67,6 +67,7 @@ local CORE_SERVERS = Data.set_of {
     "jedi_language_server",
     "jsonls",
     "kotlin_language_server",
+    "lemminx",
     "ocamlls",
     "omnisharp",
     "prismals",
diff --git a/lua/nvim-lsp-installer/servers/lemminx/init.lua b/lua/nvim-lsp-installer/servers/lemminx/init.lua
new file mode 100644
index 00000000..038ab536
--- /dev/null
+++ b/lua/nvim-lsp-installer/servers/lemminx/init.lua
@@ -0,0 +1,55 @@
+local server = require "nvim-lsp-installer.server"
+local path = require "nvim-lsp-installer.path"
+local fs = require "nvim-lsp-installer.fs"
+local std = require "nvim-lsp-installer.installers.std"
+local Data = require "nvim-lsp-installer.data"
+local context = require "nvim-lsp-installer.installers.context"
+local platform = require "nvim-lsp-installer.platform"
+
+local coalesce, when = Data.coalesce, Data.when
+
+return function(name, root_dir)
+    local file = coalesce(
+        when(platform.is_mac, "lemminx-osx-x86_64.zip"),
+        when(platform.is_linux, "lemminx-linux.zip"),
+        when(platform.is_win, "lemminx-win32.zip")
+    )
+    return server.Server:new {
+        name = name,
+        root_dir = root_dir,
+        installer = {
+            function(_, callback, ctx)
+                if not file then
+                    ctx.stdio_sink.stderr(
+                        ("Your operating system or architecture (%q) is not yet supported."):format(platform.arch)
+                    )
+                    callback(false)
+                else
+                    callback(true)
+                end
+            end,
+            context.set(function(ctx)
+                ctx.requested_server_version = coalesce(ctx.requested_server_version, "0.18.0-400")
+            end),
+            context.capture(function(ctx)
+                return std.unzip_remote(
+                    ("https://download.jboss.org/jbosstools/vscode/stable/lemminx-binary/%s/%s"):format(
+                        ctx.requested_server_version,
+                        file
+                    )
+                )
+            end),
+            function(server, callback, ctx)
+                local unzipped_file = file:gsub(".zip$", "")
+                local old_path = path.concat { server.root_dir, unzipped_file }
+                local new_path = path.concat { server.root_dir, platform.is_win and "lemminx.exe" or "lemminx" }
+                ctx.stdio_sink.stdout(("Renaming %q to %q."):format(old_path, new_path))
+                local ok, result = pcall(fs.rename, old_path, new_path)
+                callback(ok and result)
+            end,
+        },
+        default_options = {
+            cmd = { path.concat { root_dir, "lemminx" } },
+        },
+    }
+end