DEBIAN: add git what-changed to package

.debian/Makefile

@@ -7,6 +7,7 @@ clean:
 	rm -rf linux-firmware.deb
 	rm -rf control.tar.xz data.tar.xz linux-firmware.deb
 	rm -rf files/lib/firmware
+	rm -f files/usr/share/doc/linux-firmware/git-whatchanged
 
 add-firmware-files:
 	mkdir -p files/lib/firmware
@@ -17,9 +18,11 @@ md5sum:
 	cd files/ && find -type f -exec md5sum '{}' \; >../DEBIAN/md5sums
 
 create:
+	git whatchanged > files/usr/share/doc/linux-firmware/git-whatchanged
 	cd DEBIAN && tar --ignore-failed-read -cvJf ../control.tar.xz {post,pre}{inst,rm} md5sums control
 	cd files && tar -cvJf ../data.tar.xz .
 	ar rcs linux-firmware.deb debian-binary control.tar.xz data.tar.xz
 
 install:
 	dpkg --install linux-firmware.deb
+	update-initramfs -k all -c

.gitignore

@@ -1,4 +1,5 @@
-.debian/files/lib/firmware/
 .debian/*.deb
 .debian/*.tar.xz
 .debian/DEBIAN/md5sums
+.debian/files/lib/firmware/
+.debian/files/usr/share/doc/linux-firmware/git-whatchanged