From 958bf404894c7918a912986c24c78b1f6d6fa369 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Fri, 13 Apr 2018 23:29:35 +0800
Subject: add lint tool to check python3 shebang

---
 contrib/devtools/lint-python-shebang.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100755 contrib/devtools/lint-python-shebang.sh

(limited to 'contrib/devtools')

diff --git a/contrib/devtools/lint-python-shebang.sh b/contrib/devtools/lint-python-shebang.sh
new file mode 100755
index 0000000000..f5c5971c03
--- /dev/null
+++ b/contrib/devtools/lint-python-shebang.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+# Shebang must use python3 (not python or python2)
+EXIT_CODE=0
+for PYTHON_FILE in $(git ls-files -- "*.py"); do
+    if [[ $(head -c 2 "${PYTHON_FILE}") == "#!" &&
+          $(head -n 1 "${PYTHON_FILE}") != "#!/usr/bin/env python3" ]]; then
+        echo "Missing shebang \"#!/usr/bin/env python3\" in ${PYTHON_FILE} (do not use python or python2)"
+        EXIT_CODE=1
+    fi
+done
+exit ${EXIT_CODE}
-- 
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