#!/bin/sh # SPDX-License-Identifier: GPL-2.0 # Simple script to update the version of DTC carried by the Linux kernel # # This script assumes that the dtc and the linux git trees are in the # same directory. After building dtc in the dtc directory, it copies the # source files and generated source file(s) into the scripts/dtc directory # in the kernel and creates a git commit updating them to the new # version. # # Usage: from the top level Linux source tree, run: # $ ./scripts/dtc/update-dtc-source.sh # # The script will change into the dtc tree, build and test dtc, copy the # relevant files into the kernel tree and create a git commit. The commit # message will need to be modified to reflect the version of DTC being # imported # # TODO: # This script is pretty basic, but it is seldom used so a few manual tasks # aren't a big deal. If anyone is interested in making it more robust, the # the following would be nice: # * Actually fail to complete if any testcase fails. # - The dtc "make check" target needs to return a failure # * Extract the version number from the dtc repo for the commit message # * Build dtc in the kernel tree # * run 'make check" on dtc built from the kernel tree
get_last_dtc_version() {
git log --oneline scripts/dtc/ | grep 'upstream' | head -1 | sed -e 's/^.* \(.*\)/\1/'
}
last_dtc_ver=$(get_last_dtc_version)
# Build DTC
cd $DTC_UPSTREAM_PATH makeclean make check
dtc_version=$(git describe HEAD)
dtc_log=$(git log --oneline ${last_dtc_ver}..)
# Copy the files into the Linux tree
cd $DTC_LINUX_PATH for f in $DTC_SOURCE $FDTOVERLAY_SOURCE; do cp ${DTC_UPSTREAM_PATH}/${f} ${f}
git add ${f} done for f in $LIBFDT_SOURCE; do cp ${DTC_UPSTREAM_PATH}/libfdt/${f} libfdt/${f}
git add libfdt/${f} done
sed -i -- 's/#include /#include "libfdt_env.h"/g' ./libfdt/libfdt.h
sed -i -- 's/#include /#include "fdt.h"/g' ./libfdt/libfdt.h
git add ./libfdt/libfdt.h
commit_msg=$(cat << EOF
scripts/dtc: Update to upstream version ${dtc_version}
This adds the following commits from upstream:
${dtc_log}
EOF
)
git commit -e -v -s -m "${commit_msg}"
Messung V0.5
¤ Dauer der Verarbeitung: 0.25 Sekunden
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