From 81782fefe820c9e138130633fe7730fd4f6002d7 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Fri, 8 Oct 2021 09:11:31 +0200
Subject: [PATCH] build: don't clobber config file

Use `test -f` instead of `cp -n`, because the former is POSIX.

References: https://github.com/emersion/soju/pull/32
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 27bcfe5..cc7917d 100644
--- a/Makefile
+++ b/Makefile
@@ -27,6 +27,6 @@ install:
 	mkdir -p $(DESTDIR)/var/lib/soju
 	cp -f soju sojuctl $(DESTDIR)$(PREFIX)/$(BINDIR)
 	cp -f doc/soju.1 $(DESTDIR)$(PREFIX)/$(MANDIR)/man1
-	cp -f config.in $(DESTDIR)/etc/soju/config
+	[ -f $(DESTDIR)/etc/soju/config ] || cp -f config.in $(DESTDIR)/etc/soju/config
 
 .PHONY: soju sojuctl