From 7d30759eacceff255c001f8d2af5be01203f2a31 Mon Sep 17 00:00:00 2001
From: Connor Gibson <connor@nextdoortech.net>
Date: Sat, 24 May 2025 18:28:27 -0700
Subject: [PATCH] [test/Makefile] Auto-generate .gitignore for test executables

---
 wiringPi/test/Makefile | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/wiringPi/test/Makefile b/wiringPi/test/Makefile
index 299dcb4..151a476 100644
--- a/wiringPi/test/Makefile
+++ b/wiringPi/test/Makefile
@@ -11,7 +11,7 @@ xotests = wiringpi_xotest_test1_spi wiringpi_i2c_test1_pcf8574 wiringpi_test8_pw
 # Need PiFace hardware and BCM23 <-> BCM24 , BCM18 <-> BCM17 connected (1kOhm), and PiFace Out7<->In4, Out6<->In5, R0_NO<->In6, R0_NO<->In7, R_C<-100Ohm->GND
 pifacetests = wiringpi_piface_test1 wiringpi_test8_pwm wiringpi_test9_pwm
 
-all: $(tests) $(xotests) $(pifacetests)
+all: $(tests) $(xotests) $(pifacetests) .gitignore
 
 wiringpi_test0_version:
 	${CC} ${CFLAGS} wiringpi_test0_version.c -o wiringpi_test0_version -lwiringPi
@@ -113,7 +113,23 @@ pifacetest:
 		echo "\n\e[5mPIFACE TEST SUCCESS\e[0m\n"; \
 	fi
 
+# Add all binaries to a folder-local .gitignore file
+.gitignore:
+	@echo "Updating test directory .gitignore..."
+	@if ! test -f "./.gitignore"; then \
+		echo "# This file is automatically generated by make." >> .gitignore; \
+		echo "# Git will ignore this file and all generated WiringPi test binaries in this folder." >> .gitignore; \
+		echo "/.gitignore" >> .gitignore; \
+	fi
+	@for t in $(tests) $(xotests) $(pifacetests) ; do \
+		if ! grep -q "/$$t" .gitignore; then \
+			echo "/$$t" >> .gitignore; \
+			echo "Added /$$t to .gitignore"; \
+		fi; \
+	done
+
 clean:
 	for t in $(tests) $(xotests) $(pifacetests) ; do \
 		rm -fv $${t} ; \
 	done
+	rm -fv .gitignore