1 files changed, 75 insertions, 0 deletions
diff --git a/lua/nvim-lsp-installer/servers/ccls/linux.lua b/lua/nvim-lsp-installer/servers/ccls/linux.lua
new file mode 100644
index 00000000..db4e8a3b
--- /dev/null
+++ b/lua/nvim-lsp-installer/servers/ccls/linux.lua
@@ -0,0 +1,75 @@
+local path = require "nvim-lsp-installer.path"
+local platform = require "nvim-lsp-installer.platform"
+local installer = require "nvim-lsp-installer.core.installer"
+local github = require "nvim-lsp-installer.core.managers.github"
+local Data = require "nvim-lsp-installer.data"
+local Result = require "nvim-lsp-installer.core.result"
+local Optional = require "nvim-lsp-installer.core.optional"
+
+local ccls_installer = require "nvim-lsp-installer.servers.ccls.common"
+
+local coalesce, when = Data.coalesce, Data.when
+
+---@param release string
+local function normalize_llvm_release(release)
+    -- Strip the "llvmorg-" prefix from tags (llvm releases tags like llvmorg-13.0.0)
+    local normalized_release = release:gsub("^llvmorg%-", "")
+    return normalized_release
+end
+
+---@async
+local function llvm_installer()
+    local ctx = installer.context()
+    local os_dist = platform.os_distribution()
+
+    local asset_name = coalesce(
+        when(
+            platform.is_linux,
+            coalesce(
+                when(
+                    platform.arch == "x64",
+                    coalesce(
+                        when(
+                            os_dist.id == "ubuntu" and os_dist.version.major >= 20,
+                            "clang+llvm-%s-x86_64-linux-gnu-ubuntu-20.04"
+                        ),
+                        when(
+                            os_dist.id == "ubuntu" and os_dist.version.major >= 16,
+                            "clang+llvm-%s-x86_64-linux-gnu-ubuntu-16.04"
+                        )
+                    )
+                ),
+                when(platform.arch == "arm64", "clang+llvm-%s-aarch64-linux-gnu"),
+                when(platform.arch == "armv7", "clang+llvm-%s-armv7a-linux-gnueabihf")
+            )
+        )
+    )
+
+    local source = github.untarxz_release_file {
+        repo = "llvm/llvm-project",
+        version = Optional.of "llvmorg-13.0.0",
+        asset_file = function(release)
+            local normalized_release = normalize_llvm_release(release)
+            return asset_name and ("%s.tar.xz"):format(asset_name):format(normalized_release)
+        end,
+    }
+
+    ctx.fs:rename(asset_name:format(normalize_llvm_release(source.release)), "llvm")
+    -- We move the clang headers out, because they need to be persisted
+    ctx.fs:rename(path.concat { "llvm", "lib", "clang", normalize_llvm_release(source.release) }, "clang-resource")
+
+    return path.concat { ctx.cwd:get(), "llvm" }
+end
+
+---@async
+return function()
+    local ctx = installer.context()
+    Result.run_catching(llvm_installer)
+        :map(function(llvm_dir)
+            ccls_installer { llvm_dir = llvm_dir }
+        end)
+        :recover(function()
+            ccls_installer {}
+        end)
+    ctx.fs:rmrf "llvm"
+end