From f00f52be343291998bbba272c425741083c5633c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kim=20=E9=87=91=E5=8F=AF=E6=98=8E?= <koomen@protonmail.com>
Date: Sun, 13 Aug 2023 09:37:25 +0200
Subject: [PATCH] fix: use writefile() rather than %!tree command (resolves
 #309)

---
 autoload/doge.vim          |  2 +-
 test/undo-cursor-pos.vader | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 test/undo-cursor-pos.vader

diff --git a/autoload/doge.vim b/autoload/doge.vim
index dabda910..31ddf696 100644
--- a/autoload/doge.vim
+++ b/autoload/doge.vim
@@ -22,7 +22,7 @@ function! doge#run_parser() abort
       let l:current_line = l:cursor_pos[1]
 
       let l:tempfile = tempname()
-      keepjumps call execute('%!tee ' . l:tempfile, 'silent!')
+      keepjumps call writefile(getline(line('^'), line('$')), l:tempfile)
 
       let l:args = [
             \ '--filepath', l:tempfile,
diff --git a/test/undo-cursor-pos.vader b/test/undo-cursor-pos.vader
new file mode 100644
index 00000000..d44cb0b3
--- /dev/null
+++ b/test/undo-cursor-pos.vader
@@ -0,0 +1,32 @@
+# ==============================================================================
+# Make sure that pressing 'u' after generating a docblock doesn't jump to the 
+# top of the file.
+#
+# See https://github.com/kkoomen/vim-doge/issues/309
+# ==============================================================================
+Given javascript(function):
+  function foo() {
+    //
+  }
+
+  function bar() {
+    //
+  }
+
+Do (trigger doge):
+  :call cursor(5,8)\<CR>
+  \<C-d>
+  u
+
+Expect javascript (no changes):
+  function foo() {
+    //
+  }
+
+  function bar() {
+    //
+  }
+
+Then (the cursor should be at the same pos as before generating the comment):
+  AssertEqual 5, line('.')
+  AssertEqual 8, col('.')