linux-kernel - [PATCH v6 07/12] kbuild: deb-pkg: switch over to source format 3.0 (quilt)

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Date:   Wed, 15 Feb 2023 10:20:29 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Ben Hutchings <ben@...adent.org.uk>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>
Subject: [PATCH v6 07/12] kbuild: deb-pkg: switch over to source format 3.0 (quilt)

Change the source format from "1.0" to "3.0 (quilt)" because it works
more cleanly.

All files except .config and debian/ go into the orig tarball.
Add a single patch, debian/patches/config, and delete the ugly
extend-diff-ignore patterns.

The debian tarball will be compressed into *.debian.tar.xz by default.
If you like to use a different compression mode, you can pass the
command line option, DPKG_FLAGS=-Zgzip, for example.

The orig tarball only supports gzip for now. The combination of
gzip and xz is somewhat clumsy, but it is not a practical problem.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

Changes in v6:
  - Fix error when KCONFIG_CONFIG is set

Changes in v4:
  - New patch

 scripts/Makefile.package |  2 +-
 scripts/package/mkdebian | 41 ++++++++++++++++++----------------------
 2 files changed, 19 insertions(+), 24 deletions(-)

diff --git a/scripts/Makefile.package b/scripts/Makefile.package
index 80a96eb61426..5538deacb136 100644
--- a/scripts/Makefile.package
+++ b/scripts/Makefile.package
@@ -105,7 +105,7 @@ debian-orig: linux.tar.gz debian
 PHONY += deb-pkg
 deb-pkg: debian-orig
 	+dpkg-buildpackage -r$(KBUILD_PKG_ROOTCMD) -a$$(cat debian/arch) $(DPKG_FLAGS) \
-		--build=source,binary --source-option=-sP -nc -us -uc
+		--build=source,binary -nc -us -uc
 
 PHONY += bindeb-pkg
 bindeb-pkg: debian
diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
index 534e9713761a..22fc73a5e4f2 100755
--- a/scripts/package/mkdebian
+++ b/scripts/package/mkdebian
@@ -135,29 +135,24 @@ else
 fi
 
 mkdir -p debian/source/
-echo "1.0" > debian/source/format
-
-# Ugly: ignore anything except .config or debian/
-cat<<'EOF' > debian/source/local-options
-diff-ignore
-
-extend-diff-ignore = ^[^.d]
-
-extend-diff-ignore = ^\.[^c]
-extend-diff-ignore = ^\.c($|[^o])
-extend-diff-ignore = ^\.co($|[^n])
-extend-diff-ignore = ^\.con($|[^f])
-extend-diff-ignore = ^\.conf($|[^i])
-extend-diff-ignore = ^\.confi($|[^g])
-extend-diff-ignore = ^\.config.
-
-extend-diff-ignore = ^d($|[^e])
-extend-diff-ignore = ^de($|[^b])
-extend-diff-ignore = ^deb($|[^i])
-extend-diff-ignore = ^debi($|[^a])
-extend-diff-ignore = ^debia($|[^n])
-extend-diff-ignore = ^debian[^/]
-EOF
+echo "3.0 (quilt)" > debian/source/format
+
+{
+	echo "diff-ignore"
+	echo "extend-diff-ignore = .*"
+} > debian/source/local-options
+
+# Add .config as a patch
+mkdir -p debian/patches
+{
+	echo "Subject: Add .config"
+	echo "Author: ${maintainer}"
+	echo
+	echo "--- /dev/null"
+	echo "+++ linux/.config"
+	diff -u /dev/null "${KCONFIG_CONFIG}" | tail -n +3
+} > debian/patches/config
+echo config > debian/patches/series
 
 echo $debarch > debian/arch
 extra_build_depends=", $(if_enabled_echo CONFIG_UNWINDER_ORC libelf-dev:native)"
-- 
2.34.1