From e6a48de652fd64820583c245eede0b242b6eb2bb Mon Sep 17 00:00:00 2001
From: rwxguo <10892928+rwxguo@users.noreply.github.com>
Date: Sun, 24 Dec 2023 14:17:16 +0800
Subject: [PATCH] add cygwin detection (include cygwin, msys2 and gitbash)

---
 autoload/go/config.vim |  2 +-
 autoload/go/util.vim   | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/autoload/go/config.vim b/autoload/go/config.vim
index ef699a0593..91f16ff32c 100644
--- a/autoload/go/config.vim
+++ b/autoload/go/config.vim
@@ -100,7 +100,7 @@ function! go#config#SnippetEngine() abort
 endfunction
 
 function! go#config#PlayBrowserCommand() abort
-    if go#util#IsWin() || system('uname') =~ 'MINGW' || system('uname') =~ 'CYGWIN'
+    if go#util#IsWin() || go#util#IsCygwin()
         let go_play_browser_command = '!start rundll32 url.dll,FileProtocolHandler %URL%'
     elseif go#util#IsMac()
         let go_play_browser_command = 'open %URL%'
diff --git a/autoload/go/util.vim b/autoload/go/util.vim
index 89b72733d4..3846a4664d 100644
--- a/autoload/go/util.vim
+++ b/autoload/go/util.vim
@@ -49,6 +49,17 @@ function! go#util#IsMac() abort
         \ go#util#Exec(['uname'])[0] =~? '^darwin'
 endfunction
 
+" IsCygwin returns 1 if current OS is Cygwin/MSYS2/GitBash, 0 otherwise
+function! go#util#IsCygwin()
+  return !has('win32') &&
+        \ has('win32unix') &&
+        \ (
+        \ system('uname') =~ 'CYGWIN' ||
+        \ system('uname') =~ 'MINGW' ||
+        \ system('uname') =~ 'MSYS'
+        \ )
+endfunction
+
  " Checks if using:
  " 1) Windows system,
  " 2) And has cygpath executable,