From 6084e986f8affc7045c6aa2043acb6cc86fea920 Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Fri, 13 Nov 2020 20:54:21 -0500
Subject: use install -bS instead of rolling our own, drop POSIX claim

---
 Makefile | 4 +---
 README   | 2 --
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index dd82eb4..6dabfc3 100644
--- a/Makefile
+++ b/Makefile
@@ -25,9 +25,7 @@ modules.dep: modules modules.dep.ver /lib/modules/$(KERNVER)/modules.dep
 	awk '!/^#/ { print $$1 }' modules | xargs modinfo -F filename -k $(KERNVER) | sed -e 's:^/lib/modules/$(KERNVER)/:^:' | grep -f - /lib/modules/$(KERNVER)/modules.dep > $@
 
 install: initramfs.img
-	install -m644 initramfs.img /boot/initramfs.img.new
-	if [ -e /boot/initramfs.img ]; then mv /boot/initramfs.img /boot/initramfs.img.old; fi
-	mv /boot/initramfs.img.new /boot/initramfs.img
+	install -bS.old -m644 initramfs.img /boot/initramfs.img
 
 clean:
 	rm -f initramfs.img initramfs.d gen_init_cpio modules.dep
diff --git a/README b/README
index bd1e5b5..8228758 100644
--- a/README
+++ b/README
@@ -14,13 +14,11 @@ Features:
 - udev/mdev-free module loading
 - minimal runtime overhead
 - minimal code: 80 SLOC total (init + make + Makefile + unlock)
-- pure POSIX shell + POSIX Makefile
 
 Drawbacks:
 
 - uses existing system tools
 - requires exact module list
-- pure POSIX shell + POSIX Makefile
 
 Usage:
 
-- 
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