linux-kernel - [PATCH 2/2] kbuild: deb-pkg: split debian/rules

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Date:   Sat, 29 Jul 2023 23:38:14 +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 2/2] kbuild: deb-pkg: split debian/rules

debian/rules is generated by shell scripting, but the escape sequence
(\$) is unreadable.

debian/rules embeds only two variables (ARCH and KERNELRELEASE).

Split them out to debian/rules.vars, and check-in the rest of Makefile
code to scripts/package/debian/rules.

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

 scripts/package/debian/rules | 28 ++++++++++++++++++++++++++++
 scripts/package/mkdebian     | 32 ++++----------------------------
 2 files changed, 32 insertions(+), 28 deletions(-)
 create mode 100755 scripts/package/debian/rules

diff --git a/scripts/package/debian/rules b/scripts/package/debian/rules
new file mode 100755
index 000000000000..a4e5ab5abdd9
--- /dev/null
+++ b/scripts/package/debian/rules
@@ -0,0 +1,28 @@
+#!/usr/bin/make -f
+# SPDX-License-Identifier: GPL-2.0-only
+
+srctree ?= .
+
+include debian/rules.vars
+
+.PHONY: binary binary-indep binary-arch
+binary: binary-arch binary-indep
+binary-indep: build-indep
+binary-arch: build-arch
+	$(MAKE) -f $(srctree)/Makefile ARCH=$(ARCH) \
+	KERNELRELEASE=$(KERNELRELEASE) \
+	run-command KBUILD_RUN_COMMAND=+$(srctree)/scripts/package/builddeb
+
+.PHONY: build build-indep build-arch
+build: build-arch build-indep
+build-indep:
+build-arch:
+	$(MAKE) -f $(srctree)/Makefile ARCH=$(ARCH) \
+	KERNELRELEASE=$(KERNELRELEASE) \
+	$(shell $(srctree)/scripts/package/deb-build-option) \
+	olddefconfig all
+
+.PHONY: clean
+clean:
+	rm -rf debian/files debian/linux-*
+	$(MAKE) -f $(srctree)/Makefile ARCH=${ARCH} clean
diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
index 2829f5b8aea6..498b579c6320 100755
--- a/scripts/package/mkdebian
+++ b/scripts/package/mkdebian
@@ -263,35 +263,11 @@ Description: Linux kernel debugging symbols for $version
 EOF
 fi
 
-cat <<EOF > debian/rules
-#!/usr/bin/make -f
-
-srctree ?= .
+cat <<EOF > debian/rules.vars
+ARCH = ${ARCH}
 KERNELRELEASE = ${KERNELRELEASE}
-
-.PHONY: clean build build-arch build-indep binary binary-arch binary-indep
-
-build-indep:
-build-arch:
-	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \
-	KERNELRELEASE=\$(KERNELRELEASE) \
-	\$(shell \$(srctree)/scripts/package/deb-build-option) \
-	olddefconfig all
-
-build: build-arch
-
-binary-indep:
-binary-arch: build-arch
-	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \
-	KERNELRELEASE=\$(KERNELRELEASE) \
-	run-command KBUILD_RUN_COMMAND=+\$(srctree)/scripts/package/builddeb
-
-clean:
-	rm -rf debian/files debian/linux-*
-	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} clean
-
-binary: binary-arch
 EOF
-chmod +x debian/rules
+
+cp ${srctree}/scripts/package/debian/rules debian/
 
 exit 0
-- 
2.39.2