blob: dfdf21ee7f02d6f968195db858893d7d601994f2 [file] [log] [blame]
# This file is part of the coreboot project.
# Copyright 2015-2016 Google Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# This script creates a list of commits between two releases, broken out into
# fairly inexact categories, based on the directories that files are in. If
# a commit touched anything in the path that is checked earlier, it's counted
# as being in that category.
# Don't run this in your current working tree, it checks out different versions
# and can lose things.
# set -x # uncomment for debug
# Check for tools
if ! ( git --version && cloc --version ) > /dev/null 2>&1
echo "ERROR: cloc or git is not installed. Exiting"
exit 1
if ! { cdup="$(git rev-parse --show-cdup 2>/dev/null)" && [ -z "${cdup}" ]; }
echo "ERROR: This is not the top directory of a git repo. Exiting."
exit 1
# Try to verify that the repo is clean before losing state.
if ! git diff-index --quiet --cached HEAD 2>/dev/null || \
[ "$(git diff origin/master --shortstat 2>/dev/null | tail -n1)" != "" ]; then
echo "ERROR: repo is not clean. Exiting."
exit 1
# Verify the command line arguments
if [ "$1" == "--help" ] || [ -z "$1" ] || [ -z "$2" ]; then
echo "Usage: $0 <old_version> <new_version> [release notes file]"
echo "Old version should be a tag (4.1), a branch (origin/4.1), or a commit id"
echo "New version can be 'HEAD' a branch (origin/master) a tag (4.2), or a commit id"
echo "Logfile can be a new file or an existing file to update"
echo "Example: \"$0 origin/4.1 4.2 rnotes.txt\""
echo "Note that the script starts at the commit AFTER the old version."
exit 1
TOTAL_COMMITS=$(git log --pretty=oneline \
"${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | wc -l)
if [ -n "$3" ]; then
# Figure out which logfile we're writing to. If the specified logfile exists,
# we need to write to a temporary logfile, then append changes to the main
# logfile.
if [ -f "$MAIN_LOGFILE" ]; then
get_author_commit_count() {
git log "${NEW_GIT_VERSION}" 2>/dev/null | grep -c "^Author: $1"
# Print and log the versions
log_versions() {
echo "Log of commit $1 to commit $2"
echo "Log of commit $1 to commit $2" >> "$LOGFILE"
echo "Total commits: ${TOTAL_COMMITS}"
echo "Total commits: ${TOTAL_COMMITS}" >> "$LOGFILE"
# Get the first commit id in the current tree
get_latest_commit_id() {
cd "$1"
git log 2>/dev/null | grep '^commit ' | head -1 | sed 's/commit //'
# Main get log function
_get_log() {
local oldver="$1"
local newver="$2"
local title="$3"
local paths="$4"
local keywords="$5"
# Leave ${paths} unquoted in the git commands
# shellcheck disable=SC2086
{ \
if [ -n "$paths" ]; then \
git log --abbrev-commit --pretty=oneline \
"${oldver}..${newver}" -- ${paths} \
2>/dev/null; \
fi; \
if [ -n "$keywords" ]; then \
git log --abbrev-commit --pretty=oneline \
"${oldver}..${newver}" 2>/dev/null \
| grep -i "$keywords"; \
fi \
} | sort -t ' ' -k 2 | uniq
# Output to a new log, then compare to the first logfile, and only output
# non duplicated lines to the final file.
get_log_dedupe() {
local title="$1"
local paths="$2"
local keywords="$3"
local log
local commits
dedupe_tmpfile="$(mktemp "LOGFILE.XXXX")"
log=$(_get_log "$OLD_GIT_VERSION" "$NEW_GIT_VERSION" \
"$title" "$paths" "$keywords")
echo "$log" > "$dedupe_tmpfile"
log=$(grep -Fxv -f "$LOGFILE" "$dedupe_tmpfile")
commits=$(echo "$log" | wc -l)
#echo "$title: $paths $keywords" >> "$LOGFILE"
printf "%s\n%s\n\n" "##### $title ($commits commits) #####" \
"$log" >> "$LOGFILE"
rm "$dedupe_tmpfile"
# get logs for the submodules
get_log_submodule() {
local old_version="$1"
local new_version="$2"
local submodule_dir="$3"
local log
local commits
printf "Submodule %s\n" "$submodule_dir"
printf "commit %s to commit %s\n\n" "$old_version" "$new_version"
cd "${TOP}/$submodule_dir"
log="$(_get_log "$old_version" "$new_version" "$submodule_dir" "." "")"
commits=$(echo "$log" | wc -l)
if [ -n "$log" ]; then
printf "%s\n" "$submodule_dir ($commits commits)" >> "$LOGFILE"
printf "\n" >> "$LOGFILE"
find_areas() {
local directory="$1"
local filename="$2"
local skip="$3"
find "$directory" -name "$filename" | sed "s|/$filename||" | sed "s|/$directory||" | grep -v "$skip" | sort
# Make sure things get cleaned up if ctl-c is pressed while the old version
# is checked out and files are renamed. This can be a real mess to clean
# up manually.
version_ctrl_c() {
printf "\n** Trapped CTRL-C\n Cleaning up and exiting.\n"
find 'src' -name 'gnumakefile' \
-exec rename 's/gnumakefile/Makefile\.inc/' {} \;
git checkout origin/master > /dev/null 2>&1
git submodule update --init --checkout > /dev/null 2>&1
rm -f "$mainboard_list_old" "$mainboard_list_new"
exit 1;
# Calculate areas that have been added or removed based on file lists
show_diff () {
local new
local old
new="$(comm -13 <(echo "$2") <(echo "$3"))"
if [ -n "$new" ]; then
printf "Added %s $1:\n-------------------\n%s\n\n" \
"$(echo "$new" | wc -l)" "$new" >> "$LOGFILE"
old="$(comm -23 <(echo "$2") <(echo "$3"))"
if [ -n "$old" ]; then
printf "Removed %s $1:\n-------------------\n%s\n\n" \
"$(echo "$old" | wc -l)" "$old" >> "$LOGFILE"
get_sloc () {
# Because cloc works on extensions, and .inc identifies as pascal,
# rename, then remap the other .inc files to c
find 'src' -name '' -exec rename 's/Makefile\.inc/gnumakefile/' {} \;
cloc --progress-rate=0 --quiet --script-lang="Bourne Shell",bash \
--force-lang=c,inc --exclude-dir=vendorcode src
# Change all the makefiles back to
find 'src' -name 'gnumakefile' -exec rename 's/gnumakefile/Makefile\.inc/' {} \;
# Start collecting data from the old and new revisions.
# This is relatively disruptive to the tree, so trap on ctl-c so that
# things can be put back to normal
trap version_ctrl_c SIGINT
#check out old version and get information
printf -- "Finding old submodule versions...\n"
git checkout "$OLD_GIT_VERSION" > /dev/null 2>&1
git submodule update --init --checkout > /dev/null 2>&1
for module in $(git submodule --quiet foreach pwd); do
name="$(basename "$module" | sed 's/-/_/g')"
declare "$version"=$(get_latest_commit_id "$module")
printf "Logging directories in the old tree\n"
mainboard_list_old=$(grep -h "^[[:space:]]*config\>[[:space:]]*\<BOARD_" src/mainboard/*/*/ 2>/dev/null | sed "s,^.*\<BOARD_\([A-Z0-9_]*\)\>.*$,\1," | sort)
cpu_list_old=$(find_areas "src/cpu" "Kconfig" "intel/common")
soc_list_old=$(find_areas "src/soc" "" "intel/common\|amd/common\|romstage")
northbridge_list_old=$(find_areas "src/northbridge" "Kconfig" "")
sio_list_old=$(find_areas "src/superio" "" "")
southbridge_list_old=$(find_areas "src/southbridge" "Kconfig" "")
printf "Calculating old SLOC\n"
#check out new version and get information
printf -- "\nFinding new submodule versions...\n"
git checkout "$NEW_GIT_VERSION" > /dev/null 2>&1
git submodule update --init --checkout > /dev/null 2>&1
for module in $(git submodule --quiet foreach pwd); do
name="$(basename "$module" | sed 's/-/_/g')"
declare "$version"=$(get_latest_commit_id "$module")
printf "Logging directories in the new tree\n"
mainboard_list_new=$(grep -h "^[[:space:]]*config\>[[:space:]]*\<BOARD_" src/mainboard/*/*/ 2>/dev/null | sed "s,^.*\<BOARD_\([A-Z0-9_]*\)\>.*$,\1," | sort)
cpu_list_new=$(find_areas "src/cpu" "Kconfig" "intel/common")
soc_list_new=$(find_areas "src/soc" "" "intel/common\|amd/common\|romstage")
northbridge_list_new=$(find_areas "src/northbridge" "Kconfig" "")
sio_list_new=$(find_areas "src/superio" "" "")
southbridge_list_new=$(find_areas "src/southbridge" "Kconfig" "")
printf "Calculating new SLOC\n"
git checkout origin/master > /dev/null 2>&1
git submodule update --init --checkout > /dev/null 2>&1
trap "" SIGINT
# Done collecting data from the old and new versions
# Start outputting to logfile
echo "Generating release notes from version ${OLD_GIT_VERSION} to ${NEW_GIT_VERSION}"
echo; echo "Main repo"
echo "Main repo" >> "$LOGFILE"
echo "------------------" >> "$LOGFILE"
log_versions "$(git log --pretty=%H \
"${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | tail -1)" \
"$(git log --pretty=%H \
"${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | head -1 )"
echo "" >> "$LOGFILE"
get_log_dedupe "cleanup" "" "spelling\|Use tabs\|transition away from device_t\|space [around\|before]\|code formatting\|commented code\|code cleanup\|capitalize\|unnecessary whitespace\|checkpatch"
get_log_dedupe "Google Kahlee / AMD Gardenia" "src/mainboard/google/kahlee src/mainboard/amd/gardenia" "kahlee\|gardenia"
get_log_dedupe "AMD Stoney Ridge" "src/soc/amd/stoneyridge" "stoney"
get_log_dedupe "Google Eve / Poppy / Fizz / Soraka / Nautilus / Intel KblRvp" "src/mainboard/google/eve src/mainboard/google/poppy src/mainboard/google/fizz src/mainboard/intel/kblrvp" "eve[ :]\|poppy\|fizz\|soraka\|nautilus\|kblrvp"
#get_log_dedupe "Intel Kunimitsu / Google Chell / Lars / Glados" "src/mainboard/google/lars src/mainboard/google/chell src/mainboard/google/glados src/mainboard/intel/kunimitsu" "chell\|lars\|kunimitsu"
get_log_dedupe "Purism SKL" "src/mainboard/purism/librem_skl" "librem13v2\|librem_skl"
get_log_dedupe "Intel Skylake / Kabylake" "src/soc/intel/skylake" "skylake\|sky.lake\|kabylake\|kaby.lake"
get_log_dedupe "Google Cyan / Intel Strago" "src/mainboard/google/cyan src/mainboard/intel/strago" "cyan\|strago"
get_log_dedupe "Intel Braswell" "src/soc/intel/braswell" "braswell"
get_log_dedupe "Google Kevin / Gru / Bob / Scarlet / Nefario" "src/mainboard/google/gru" "kevin\|gru[^b]"
get_log_dedupe "Rockchip rk3399" "src/soc/rockchip/rk3399" "rk3399"
get_log_dedupe "Google Reef / Pyro / Sand / Snappy / Nasher" "src/mainboard/google/reef" "reef\|pyro\|sand[ :]\|snappy\|nasher"
#get_log_dedupe "Intel apollolake_rvp leafhill minnow3" "src/mainboard/intel/apollolake_rvp src/mainboard/intel/leafhill src/mainboard/intel/minnow3" "apollolake_rvp\|leafhill\|minnow3"
get_log_dedupe "Siemens mc_apl1" "src/mainboard/siemens/mc_apl1" "mc_apl1"
get_log_dedupe "Intel Apollolake" "src/soc/intel/apollolake" "apollolake\|apollo.lake"
get_log_dedupe "Google Zoombini / Intel cannonlake_rvp" "src/mainboard/google/zoombini src/mainboard/intel/cannonlake_rvp" "zoombini\|cannonlake_rvp"
get_log_dedupe "Intel CannonLake" "src/soc/intel/cannonlake src/mainboard/intel/cannonlake_rvp" "cannonlake"
get_log_dedupe "Intel Galileo" "src/mainboard/intel/galileo" "galileo"
get_log_dedupe "Intel Quark" "src/soc/intel/quark" "quark"
get_log_dedupe "Intel Baytrail" "src/soc/intel/baytrail" "baytrail"
#get_log_dedupe "Google Gale / Qualcomm QX ipq40xx" "src/mainboard/google/gale src/soc/qualcomm/ipq40xx" "gale\|ipq40"
#et_log_dedupe "Google Rotor / Marvell Mvmap2315" "src/soc/marvell/mvmap2315 src/mainboard/google/rotor" "marvell\|mvmap\|rotor"
get_log_dedupe "Gigabyte ga-g41m-es2l" "src/mainboard/gigabyte/ga-g41m-es2l" "es2l"
get_log_dedupe "Intel x4x northbridge / LGA775" "src/northbridge/intel/x4x src/cpu/intel/socket_LGA775" "x4x\|lga775"
get_log_dedupe "Intel Sandybridge / Ivybridge" "src/southbridge/intel/bd82x6x src/southbridge/intel/fsp_bd82x6x src/northbridge/intel/sandybridge src/northbridge/intel/fsp_sandybridge src/cpu/intel/fsp_model_206ax src/cpu/intel/model_206ax" "sandybridge\|ivybridge\|bd82x6x"
get_log_dedupe "Intel Common" "src/soc/intel/common src/southbridge/intel/common src/northbridge/intel/common" ""
get_log_dedupe "Amd Common" "src/soc/amd/common src/southbridge/amd/common" ""
get_log_dedupe "Intel vendorcode / FSP" "src/drivers/intel/fsp* src/vendorcode/intel" ""
get_log_dedupe "AMD vendorcode / AGESA / PI" "src/vendorcode/amd" ""
get_log_dedupe "Google vendorcode" "src/vendorcode/google"
get_log_dedupe "TPM" "src/drivers/i2c/tpm" "tpm"
get_log_dedupe "Vboot" "src/vboot" "vboot"
# shellcheck disable=SC2013
get_log_dedupe "ARM" \
"$(for codedir in $(grep -rl "_ARM" --include=Kconfig | \
grep -v 'src/mainboard\|payloads/\|drivers/\|vendorcode/\|console' ); \
do dirname "$codedir"; done | grep -v '^src$')"
get_log_dedupe "RISC-V" \
"$(for codedir in $(grep -rl "_RISCV" --include=Kconfig | grep -v 'payloads/\|drivers/\|vendorcode/\|console' ); do dirname "$codedir"; done | grep -v '^src$')" \
get_log_dedupe "MIPS" \
"$(for codedir in $(grep -rl "_MIPS" --include=Kconfig | \
grep -v 'src/mainboard\|payloads/\|drivers/\|vendorcode/\|console' ); \
do dirname "$codedir"; done | grep -v '^src$')"
get_log_dedupe "X86 intel" \
"src/cpu/intel src/soc/intel src/northbridge/intel \
src/southbridge/intel src/include/intel src/drivers/intel"
get_log_dedupe "X86 amd" \
"src/cpu/amd src/northbridge/amd src/southbridge/amd src/include/amd src/soc/amd" \
get_log_dedupe "X86 common" \
"src/arch/x86 src/cpu/x86 src/include/x86 src/include/pc80"
get_log_dedupe "Mainboards" "src/mainboard/"
# Next, print all the rest of the specific areas
get_log_dedupe "ACPI" "src/acpi/"
get_log_dedupe "Console" "src/console src/include/console"
get_log_dedupe "SuperIO" "src/superio src/include/superio"
get_log_dedupe "EC" "src/ec"
get_log_dedupe "Drivers" "src/drivers"
get_log_dedupe "Devices" "src/device src/include/device"
# 5th, print the generic areas - This goes late so that the specific
# area changes will catch any commits in these areas first.
get_log_dedupe "Toolchain" "util/crossgcc"
get_log_dedupe "cbfstool" "util/cbfstool"
get_log_dedupe "Lint tools" "util/lint"
get_log_dedupe "Lib" "src/lib"
get_log_dedupe "Commonlib" "src/commonlib"
get_log_dedupe "Include" "src/include"
get_log_dedupe "Utilities" "util"
get_log_dedupe "Payloads" "payloads"
get_log_dedupe "Vendorcode" "src/vendorcode"
get_log_dedupe "Documentation" "Documentation README"
# Then look at areas that are usually outside the mainboards and architectures
get_log_dedupe "Build system" \
"Makefile src/Kconfig src/cpu/"
get_log_dedupe "Submodules" "3rdparty util/nvidia/cbootimage"
# Finally, get anything that was missed above
get_log_dedupe "MISC" "."
# Show areas that have been added or removed
show_diff "mainboards" "$mainboard_list_old" "$mainboard_list_new"
show_diff "processors" "$cpu_list_old" "$cpu_list_new"
show_diff "socs" "$soc_list_old" "$soc_list_new"
show_diff "northbridges" "$northbridge_list_old" "$northbridge_list_new"
show_diff "southbridges" "$southbridge_list_old" "$southbridge_list_new"
show_diff "sios" "$sio_list_old" "$sio_list_new"
# Log submodules
printf "Submodules\n----------\n" >> "$LOGFILE"
for module in $(git submodule --quiet foreach pwd); do
name=$(basename "$module")
# shellcheck disable=SC2001
path=$(echo "$module" | sed 's|.*coreboot||')
old_version=$(echo "${name^^}_OLD_VERSION" | sed 's/-/_/g')
new_version=$(echo "${name^^}_NEW_VERSION" | sed 's/-/_/g')
get_log_submodule "${!old_version}" "${!new_version}" "$path"
printf "\nrepo statistics\n-------------------\n" >> "$LOGFILE"
before_names="$(mktemp "OLDNAMES.XXXX")"
after_names="$(mktemp "NEWNAMES.XXXX")"
NEW_AUTHORS=$(git log --pretty=%an "${OLD_GIT_VERSION}" 2>/dev/null | sort | \
uniq > "$before_names" && \
git log --pretty=%an "${NEW_GIT_VERSION}" 2>/dev/null | \
sort | uniq > "$after_names" && \
grep -Fxv -c -f "$before_names" "$after_names")
NEW_AUTHOR_LIST=$( grep -Fxv -f "$before_names" "$after_names" && \
rm "$before_names" "$after_names")
printf -- "- Total commits: %s\n" "$TOTAL_COMMITS"
printf -- "- Total authors: %s\n" \
"$(git log "${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | \
grep -e '^Author:' | sed 's/.*Author: //' | sed 's/ <.*.>//' | \
sort | uniq | wc -l)"
printf -- "- New authors: %s\n\nNew Authors:\n%s\n" "$NEW_AUTHORS" \
} >> "$LOGFILE"
printf "Getting developer list\n"
printf "\n%-40s: %5s\n" "Developer" "Commits" >> "$LOGFILE"
git log "${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | grep '^Author: ' | \
sed 's|Author: ||' | sed 's|\s<.*||' | sort | uniq | \
while read -r line; do
printf "%-40s: %5s %5s\n" "$line" \
"$(git log "${OLD_GIT_VERSION}" 2>/dev/null | \
grep -c "^Author: ${line} <")" \
"$(git log "${NEW_GIT_VERSION}" 2>/dev/null | \
grep -c "^Author: ${line} <")" >> "$LOGFILE";
printf "\nOld SLOC (%s)\n%s" "$NOW" "$OLD_SLOC" >> "$LOGFILE"
printf "\nNew SLOC (%s)\n%s" "$NOW" "$NEW_SLOC" >> "$LOGFILE"
# Add the collected data to the top of the existing logfile for parsing
if [ -n "$UPDATE_MAIN_LOGFILE" ]; then
tmpfile="$(mktemp "LOGFILE.XXXX")"
grep -Fxv -f "$MAIN_LOGFILE" "$LOGFILE" > "$tmpfile"
printf "\n\n" >> "$tmpfile"
cat "$MAIN_LOGFILE" >> "$tmpfile"
mv "$tmpfile" "$MAIN_LOGFILE"
rm -f "$LOGFILE"
printf "Done.\n"