From 84568c15a67f54cecdbdd5f19573abbc3e9016e0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Daniel=20Mart=C3=AD?= <mvdan@mvdan.cc>
Date: Fri, 15 Jan 2016 00:19:11 +0100
Subject: [PATCH] Fix detection of pyflakes3 found in Debian

---
 hooks/pre-commit | 29 ++++++++++++++---------------
 1 file changed, 14 insertions(+), 15 deletions(-)

diff --git a/hooks/pre-commit b/hooks/pre-commit
index 53479051..f0e4d657 100755
--- a/hooks/pre-commit
+++ b/hooks/pre-commit
@@ -70,22 +70,21 @@ cmd_exists() {
 	command -v $1 1>/dev/null
 }
 
-if cmd_exists pyflakes-python3; then
-	PYFLAKES=pyflakes-python3
-elif cmd_exists pyflakes; then
-	PYFLAKES=pyflakes
-else
-	PYFLAKES=echo
-	warn "pyflakes is not installed, using dummy placeholder!"
-fi
+find_command() {
+	local name=$1
+	for suff in "3" "-python3" ""; do
+		cmd=${1}${suff}
+		if cmd_exists $cmd; then
+			echo -n $cmd
+			return 0
+		fi
+	done
+	warn "$1 is not installed, using dummy placeholder!"
+	echo -n echo
+}
 
-if cmd_exists pep8-python3; then
-	PEP8=pep8-python3
-elif cmd_exists pep8; then
-	PEP8=pep8
-else
-	err "pep8 is not installed!"
-fi
+PYFLAKES=$(find_command pyflakes)
+PEP8=$(find_command pep8)
 
 if [ "$PY_FILES $PY_TEST_FILES" != " " ]; then
     if ! $PYFLAKES $PY_FILES $PY_TEST_FILES; then
-- 
2.30.2