From cd3842f3629cf85d08c6c7d339a240b8b02e3212 Mon Sep 17 00:00:00 2001
From: "Justin M. Forbes" <jforbes@fedoraproject.org>
Date: Mon, 27 Aug 2018 11:19:30 -0500
Subject: [PATCH] Update headers script

---
 scripts/create_headers_tarball.sh | 110 +++++++++++++-----------------
 1 file changed, 49 insertions(+), 61 deletions(-)

diff --git a/scripts/create_headers_tarball.sh b/scripts/create_headers_tarball.sh
index e96fe57f4..575b2bb8e 100755
--- a/scripts/create_headers_tarball.sh
+++ b/scripts/create_headers_tarball.sh
@@ -1,74 +1,44 @@
 #!/bin/bash
 #
 # This script is aimed at generating the headers from the kernel sources.
-# Please do a git checkout of the kernel sources, or run until %prep step of
-# kernel rpm build. Then go into the directory with the sources, and run this
-# script
+# You should have a checkout of kernel-headers inside the kernel directory 'fedpkg clone kernel-headers'
+# You will need to prep the kernel sources with 'make prep' or 'fedpkg prep' before running this script
 #
 # Author: Herton R. Krzesinski <herton@redhat.com>
+# Author: Justin M. Forbes <jforbes@redhat.com>
+
+# Location of kernel-headers checkout
+CURRENTDIR=`pwd`
+PKGLOC='kernel-headers'
+
+if [ ! -f $PKGLOC/kernel-headers.spec ]; then
+	echo "Missing checkout of kernel-headers in $PKGLOC"
+	exit 1
+fi
+
+# Kernel version information taken from kernel.spec and change to prepared sources directory
+MAJORVER='4'
+RELEASED=`grep "%global released_kernel" kernel.spec| cut -d ' ' -f 3`
+BASERELEASE=`cat kernel.spec | grep "%global baserelease" | cut -d ' ' -f 3`
+BASE=`grep "%define base_sublevel" kernel.spec| cut -d ' ' -f 3`
+STABLE=`grep "%define stable_update" kernel.spec| cut -d ' ' -f 3`
+RC=`grep "%global rcrev" kernel.spec| cut -d ' ' -f 3`
+GITREV=`grep "%define gitrev" kernel.spec| cut -d ' ' -f 3`
+if [ $RELEASED -eq 0 ]; then
+	cd kernel-$MAJORVER.$BASE.fc??
+	NEWBASE=$(($BASE+1))
+	KVER=$MAJORVER.$NEWBASE.0-0.rc$RC.git$GITREV.$BASERELEASE
+	cd linux-$MAJORVER.$NEWBASE.0-0.rc$RC.git$GITREV.$BASERELEASE.fc*/
+else
+	cd kernel-$MAJORVER.$BASE.fc??/linux-$MAJORVER.$BASE.$STABLE-$BASERELEASE.fc*/
+	KVER=$MAJORVER.$BASE.$STABLE-$BASERELEASE
+fi
 
 # ARCH_LIST below has the default list of supported architectures
 # (the architectures names may be different from rpm, you list here the
 # names of arch/<arch> directories in the kernel sources)
 ARCH_LIST="arm arm64 powerpc s390 x86"
 
-# If the kernel Makefile doesn't contain enough information for the tarball
-# release, you can specify the release of the package so it'll be included
-# in the name of the created tarball
-TB_RELEASE=""
-
-# If kernel Makefile has the package release number, you can specify the name of
-# Makefile variable here.
-MAKE_RELEASE=""
-
-# Extra string (usually dist tag) that goes into the tarball name
-EXTRA=""
-
-while [ ! -z "$1" ]; do
-	opt="$1"
-	case $opt in
-		--arch-list|-a)
-			ARCH_LIST="$2"
-			shift
-			;;
-		--extra|-e)
-			EXTRA="$2"
-			shift
-			;;
-		--make-release|-m)
-			MAKE_RELEASE=$2
-			shift
-			;;
-		--release|-r)
-			TB_RELEASE=$2
-			shift
-			;;
-		*)
-			echo "Unknown option ($1) to $0"
-			exit
-			;;
-	esac
-	shift
-done
-
-KVERSION=$(cat Makefile | sed -ne '/^VERSION\ =\ /{s///;p;q}')
-KPATCHLEVEL=$(cat Makefile | sed -ne '/^PATCHLEVEL\ =\ /{s///;p;q}')
-KSUBLEVEL=$(cat Makefile | sed -ne '/^SUBLEVEL\ =\ /{s///;p;q}')
-TB_VERSION=$KVERSION.$KPATCHLEVEL.$KSUBLEVEL
-if [ -z "$TB_RELEASE" ]; then
-	KEXTRAVERSION=$(cat Makefile | sed -ne '/^EXTRAVERSION\ =\ /{s///;p;q}')
-	DISTRO_RELEASE=""
-	if [ -n "$MAKE_RELEASE" ]; then
-		DISTRO_RELEASE=.$(cat Makefile | sed -ne "/^$MAKE_RELEASE\ =\ /{s///;p;q}")
-	fi
-	if [ -n "$KEXTRAVERSION" ]; then
-		KEXTRAVERSION=$(echo $KEXTRAVERSION | sed -e s/-/./)
-		TB_RELEASE=0$KEXTRAVERSION$DISTRO_RELEASE$EXTRA
-	else
-		TB_RELEASE=$DISTRO_RELEASE$EXTRA
-	fi
-fi
-
 headers_dir=$(mktemp -d)
 trap 'rm -rf "$headers_dir"' SIGHUP SIGINT SIGTERM EXIT
 
@@ -77,9 +47,27 @@ find $headers_dir \
 	\( -name .install -o -name .check -o \
 	-name ..install.cmd -o -name ..check.cmd \) | xargs rm -f
 
-TARBALL=$PWD/kernel-headers-$TB_VERSION-$TB_RELEASE.tar.xz
+TARBALL=$CURRENTDIR/$PKGLOC/kernel-headers-$KVER.tar.xz
 pushd $headers_dir
 	tar -Jcf $TARBALL *
 popd
 
 echo wrote $TARBALL
+
+# Update kernel-headers.spec
+cd $CURRENTDIR/$PKGLOC/
+
+BASE=$BASE perl -p -i -e 's|%define base_sublevel.*|%define base_sublevel $ENV{'BASE'}|' kernel-headers.spec
+BASERELEASE=$(($BASERELEASE-1))
+BASERELEASE=$BASERELEASE perl -p -i -e 's|%global baserelease.*|%global baserelease $ENV{'BASERELEASE'}|' kernel-headers.spec
+
+if [ $RELEASED -eq 0 ]; then
+	RC=$RC perl -p -i -e 's|%global rcrev.*|%global rcrev $ENV{'RC'}|' kernel-headers.spec
+	GITREV=$GITREV perl -p -i -e 's|%define gitrev.*|%define gitrev $ENV{'GITREV'}|' kernel-headers.spec
+	rpmdev-bumpspec -c "Linux v$MAJORVER.$NEWBASE-rc$RC.git$GITREV" kernel-headers.spec
+else
+	STABLE=$STABLE perl -p -i -e 's|%define stable_update.*|%define stable_update $ENV{'STABLE'}|' kernel-headers.spec
+	rpmdev-bumpspec -c "Linux v$MAJORVER.$BASE.$STABLE" kernel-headers.spec
+fi
+echo "Modified $CURRENTDIR/$PKGLOC/kernel-headers.spec"
+echo "Don't forget to upload the sources"