1 files changed, 42 insertions, 0 deletions
diff --git a/lua/nvim-lsp-installer/jobs/outdated-servers/git.lua b/lua/nvim-lsp-installer/jobs/outdated-servers/git.lua
new file mode 100644
index 00000000..74007abc
--- /dev/null
+++ b/lua/nvim-lsp-installer/jobs/outdated-servers/git.lua
@@ -0,0 +1,42 @@
+local process = require "nvim-lsp-installer.process"
+local VersionCheckResult = require "nvim-lsp-installer.jobs.outdated-servers.version-check-result"
+
+---@param server Server
+---@param source InstallReceiptSource
+---@param on_check_complete fun(result: VersionCheckResult)
+return function(server, source, on_check_complete)
+    process.spawn("git", {
+        -- We assume git installation track the remote HEAD branch
+        args = { "fetch", "origin", "HEAD" },
+        cwd = server.root_dir,
+        stdio_sink = process.empty_sink(),
+    }, function(fetch_success)
+        local stdio = process.in_memory_sink()
+        if not fetch_success then
+            return on_check_complete(VersionCheckResult.fail(server))
+        end
+        process.spawn("git", {
+            args = { "rev-parse", "FETCH_HEAD", "HEAD" },
+            cwd = server.root_dir,
+            stdio_sink = stdio.sink,
+        }, function(success)
+            if success then
+                local stdout = table.concat(stdio.buffers.stdout, "")
+                local remote_head, local_head = unpack(vim.split(stdout, "\n"))
+                if remote_head ~= local_head then
+                    on_check_complete(VersionCheckResult.success(server, {
+                        {
+                            name = source.remote,
+                            latest_version = remote_head,
+                            current_version = local_head,
+                        },
+                    }))
+                else
+                    on_check_complete(VersionCheckResult.empty(server))
+                end
+            else
+                on_check_complete(VersionCheckResult.fail(server))
+            end
+        end)
+    end)
+end