202 lines
6.2 KiB
Bash
Executable File
202 lines
6.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright 2012 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Generate version information for the EC binary
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: "${BOARD:=}"
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: "${CR50_DEV:=}"
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: "${CR50_SQA:=}"
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: "${CRYPTO_TEST:=}"
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: "${REPRODUCIBLE_BUILD:=}"
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: "${STATIC_VERSION:=}"
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: "${VCSID:=}"
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# Use this symbol as a separator to be able to reliably concatenate strings of
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# text.
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dc=$'\001'
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# Default marker to indicate 'dirty' repositories
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dirty_marker='+'
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# This function examines the state of the current directory and attempts to
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# extract its version information: the latest tag, if any, how many patches
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# are there since the latest tag, the top sha1, and if there are local
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# modifications.
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#
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# Local modifications are reported by concatenating the revision string and
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# the string '-dirty' using the $dc symbol as the separator.
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#
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# If there is no tags defined in this git repository, the base version is
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# considered to be 0.0.
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#
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# If current directory is not a git depository, this function prints out
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# "no_version"
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get_tree_version() {
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local marker
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local ghash
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local numcommits
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local tag
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local vbase
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local ver_branch
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local ver_major
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if ghash="$(git rev-parse --short --verify HEAD 2>/dev/null)"; then
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if gdesc="$(git describe --dirty --match='v*' 2>/dev/null)"; then
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IFS="-" read -r -a fields <<< "${gdesc}"
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tag="${fields[0]}"
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IFS="." read -r -a vernum <<< "${tag}"
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numcommits=$((vernum[2]+${fields[1]:-0}))
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ver_major="${vernum[0]}"
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ver_branch="${vernum[1]}"
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else
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numcommits=$(git rev-list HEAD | wc -l)
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ver_major="v0"
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ver_branch="0"
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fi
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# avoid putting the -dirty attribute if only the timestamp
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# changed
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git status > /dev/null 2>&1
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if [ -n "$(git diff-index --name-only HEAD 2>/dev/null)" ]; then
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marker="${dirty_marker}"
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else
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marker="-"
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fi
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vbase="${ver_major}.${ver_branch}.${numcommits}${marker}${ghash}"
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else
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# Fall back to the VCSID provided by the packaging system if available.
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# Ex VCSID: 0.0.1-r1519-9b368af6a4943b90941471d0bdf7e7208788f898
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if [[ -n "${VCSID}" ]]; then
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ghash="${VCSID##*-}"
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vbase="1.1.9999-${ghash:0:7}"
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else
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# then ultimately fails to "no_version"
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vbase="no_version"
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fi
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fi
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if [[ "${marker}" == "${dirty_marker}" ]]; then
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echo "${vbase}${dc}${marker}"
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else
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echo "${vbase}${dc}"
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fi
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}
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main() {
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local component
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local dir_list
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local gitdate
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local most_recent_file
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local most_recents
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local timestamp
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local tool_ver
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local values
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local vbase
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local ver
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if [[ -z "${STATIC_VERSION}" ]]; then
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ver="${CR50_SQA:+SQA/}${CR50_DEV:+DBG/}${CRYPTO_TEST:+CT/}${BOARD}_"
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tool_ver=""
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else
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ver="STATIC_VERSION"
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tool_ver="STATIC_VERSION_TOOL"
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fi
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most_recents=() # Non empty if any of the component repos is 'dirty'.
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dir_list=( . ) # list of component directories, always includes the EC tree
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case "${BOARD}" in
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(cr50)
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dir_list+=( ../../third_party/tpm2 ../../third_party/cryptoc )
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;;
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(*_fp|*dartmonkey|*bloonchipper)
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if [[ -d ../../third_party/cryptoc ]]; then
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dir_list+=( ../../third_party/cryptoc )
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fi
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if [[ -d ./private ]]; then
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dir_list+=( ./private )
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fi
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if [[ -d ./private/fingerprint/fpc ]]; then
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dir_list+=( ./private/fingerprint/fpc )
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fi
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;;
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esac
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# Create a combined version string for all component directories.
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if [[ -z "${STATIC_VERSION}" ]]; then
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for git_dir in "${dir_list[@]}"; do
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pushd "${git_dir}" > /dev/null || exit 1
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component="$(basename "${git_dir}")"
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IFS="${dc}" read -r -a values <<< "$(get_tree_version)"
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vbase="${values[0]}" # Retrieved version information.
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if [[ -n "${values[1]}" ]]; then
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# From each modified repo get the most recently modified file.
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most_recent_file="$(git status --porcelain | \
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awk '$1 ~ /[M|A|?]/ {print $2}' | \
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xargs ls -t | head -1)"
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most_recents+=("$(realpath "${most_recent_file}")")
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fi
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if [ "${component}" != "." ]; then
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ver+=" ${component}:"
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fi
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ver+="${vbase}"
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tool_ver+="${vbase}"
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if [[ "${git_dir}" == "." ]]; then
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# Truncate to 31 chars to leave room for terminating NUL that is
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# automatically added to constant C strings.
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ver_32="${ver:0:31}"
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ver="${ver_32}"
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fi
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popd > /dev/null || exit 1
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done
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fi
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echo "/* This file is generated by util/getversion.sh */"
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# Truncated version string that is exactly 32-bytes (NUL terminated).
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echo "#define CROS_EC_VERSION32 \"${ver_32}\""
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echo "/* Version string for ectool. */"
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echo "#define CROS_ECTOOL_VERSION \"${tool_ver}\""
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echo "/* Version string for stm32mon. */"
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echo "#define CROS_STM32MON_VERSION \"${tool_ver}\""
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echo "/* Sub-fields for use in Makefile.rules and to form build info string"
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echo " * in common/version.c. */"
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echo "#define VERSION \"${ver}\""
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if [[ -n "${STATIC_VERSION}" ]] || [[ "${REPRODUCIBLE_BUILD}" = 1 ]]; then
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echo '#define BUILDER "reproducible@build"'
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else
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echo "#define BUILDER \"${USER}@$(hostname)\""
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fi
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if [[ -n "${STATIC_VERSION}" ]]; then
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echo "#define DATE \"STATIC_VERSION_DATE\""
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elif [[ ${#most_recents[@]} != 0 ]]; then
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# There are modified files, use the timestamp of the most recent one as
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# the build version timestamp.
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# shellcheck disable=SC2012
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most_recent_file="$(ls -t "${most_recents[@]}"| head -1)"
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timestamp="$(stat -c '%y' "${most_recent_file}" | sed 's/\..*//')"
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echo "/* Repo is dirty, using time of most recent file modification. */"
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echo "#define DATE \"${timestamp}\""
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else
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echo "/* Repo is clean, use the commit date of the last commit. */"
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# If called from an ebuild we won't have a git repo, so redirect stderr
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# to avoid annoying 'Not a git repository' errors.
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gitdate="$(
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for git_dir in "${dir_list[@]}"; do
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git -C "${git_dir}" log -1 --format='%ct %ci' HEAD 2>/dev/null
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done | sort | tail -1 | cut -d ' ' -f '2 3')"
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echo "#define DATE \"${gitdate}\""
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fi
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}
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main
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