From 4b69a600e576c98f0308551cb5a81116d74225f0 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 16 Aug 2022 10:04:12 +0530
Subject: [PATCH] Nicer error when go is not found during build

---
 setup.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 9c121943b..9133173c9 100755
--- a/setup.py
+++ b/setup.py
@@ -876,12 +876,16 @@ def safe_makedirs(path: str) -> None:
 
 
 def build_kitty_tool(args: Options, launcher_dir: str = '.') -> None:
-    cmd = ['go', 'build']
+    go = shutil.which('go')
+    if not go:
+        raise SystemExit('The go tool was not found on this system. Install Go')
+    cmd = [go, 'build']
     if args.verbose:
         cmd.append('-v')
     if not args.debug:
         cmd += ['-ldflags', '-s -w']
     cmd += ['-o', os.path.join(launcher_dir, 'kitty-tool'), os.path.abspath('tools/cmd')]
+    print(shlex.join(cmd))
     cp = subprocess.run(cmd)
     if cp.returncode != 0:
         raise SystemExit(cp.returncode)