152 lines
4.2 KiB
Bash
Executable File
152 lines
4.2 KiB
Bash
Executable File
# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Copyright (C) 2020 Paul Spooren <mail@aparcar.org>
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#
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###
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### size_compare - compare size of OpenWrt packages against upstream
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###
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### The script compares locally compiled package with the package indexes
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### available upstream. This way the storage impact of optimizations or
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### feature modifiactions is easy to see.
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###
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### If no environmental variables are set the scritp reads the current
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### .config file. The evaluated env variables are the following:
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###
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### TARGET SUBTARGET ARCH PACKAGES BIN_DIR BASE_URL CHECK_INSTALLED
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###
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### Usage:
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### ./scripts/size_compare.sh
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###
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### Options:
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### -p --package-size Check IPK package size and not installed size
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### -h --help This message
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CONFIG_TARGET=$(sed -n 's/^CONFIG_TARGET_BOARD="\(.*\)"$/\1/p' .config)
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CONFIG_SUBTARGET=$(sed -n 's/^CONFIG_TARGET_SUBTARGET="\(.*\)"$/\1/p' .config)
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CONFIG_ARCH=$(sed -n 's/^CONFIG_TARGET_ARCH_PACKAGES="\(.*\)"$/\1/p' .config)
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CONFIG_PACKAGES=$(sed -n 's/^CONFIG_PACKAGE_\(.*\)=y$/\1/p' .config | tr '\n' ' ')
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CONFIG_BIN_DIR=$(sed -n 's/^CONFIG_BINARY_DIR="\(.*\)"$/\1/p' .config)
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TARGET=${TARGET:-$CONFIG_TARGET}
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SUBTARGET=${SUBTARGET:-$CONFIG_SUBTARGET}
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ARCH=${ARCH:-$CONFIG_ARCH}
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PACKAGES=${PACKAGES:-$CONFIG_PACKAGES}
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BIN_DIR=${CONFIG_BIN_DIR:-./bin}
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BASE_URL="${BASE_URL:-https://downloads.openwrt.org/snapshots}"
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CHECK_INSTALLED="${CHECK_INSTALLED:-y}"
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TARGET_URL="$BASE_URL/targets/$TARGET/$SUBTARGET/packages/Packages.gz"
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CONFIG_URL="$BASE_URL/targets/$TARGET/$SUBTARGET/config.buildinfo"
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PACKAGES_URL="$BASE_URL/packages/$ARCH/base/Packages.gz"
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if command -v curl > /dev/null; then
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DOWNLOAD_METHOD="curl"
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else
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DOWNLOAD_METHOD="wget --output-document=-"
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fi
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help() {
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sed -rn 's/^### ?//;T;p' "$0"
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}
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package_size () {
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FOUND_PACKAGE=
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if [ -z "$CHECK_INSTALLED" ]; then
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SEARCH_PATTERN="Size"
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else
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SEARCH_PATTERN="Installed-Size"
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fi
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while IFS= read -r line; do
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if [ "$line" = "Package: $2" ]; then
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FOUND_PACKAGE=y
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fi
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if [ -n "$FOUND_PACKAGE" ]; then
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case $line in
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"$SEARCH_PATTERN"*)
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echo "$line" | cut -d ' ' -f 2
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break
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;;
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esac
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fi
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done < "$1"
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}
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compare_sizes () {
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for PACKAGE in $PACKAGES; do
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if [ "$PACKAGE" = "libc" ]; then
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continue
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fi
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PACKAGE_FILE=$(find "$BIN_DIR/packages/$ARCH/" \
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"$BIN_DIR/targets/$TARGET/$SUBTARGET/" \
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-name "${PACKAGE}_*.ipk" 2>/dev/null | head -n1)
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if [ -z "$PACKAGE_FILE" ]; then
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continue
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fi
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if [ -z "$CHECK_INSTALLED" ]; then
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SIZE_LOCAL=$(stat -c '%s' "$PACKAGE_FILE")
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else
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SIZE_LOCAL=$(tar tzvf "$PACKAGE_FILE" ./data.tar.gz | awk '{ print $3 }')
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fi
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SIZE_UPSTREAM=$(package_size "$TMP_INDEX" "$PACKAGE")
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SIZE_DIFF="$((SIZE_LOCAL-SIZE_UPSTREAM))"
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if [ "$SIZE_DIFF" -gt 0 ]; then
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SIZE_DIFF="+$SIZE_DIFF"
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fi
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if [ -n "$SIZE_UPSTREAM" ]; then
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echo "${SIZE_DIFF} ${SIZE_LOCAL} ${SIZE_UPSTREAM} $PACKAGE"
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else
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echo "$PACKAGE is missing upstream"
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fi
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done
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}
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if [ "$1" = "-h" ]; then
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help
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exit 0
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fi
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if [ "$1" = "-p" ]; then
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CHECK_INSTALLED=
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fi
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echo "Compare packages of $TARGET/$SUBTARGET/$ARCH":
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echo "$PACKAGES"
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echo
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echo "Checking configuration difference"
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TMP_CONFIG=$(mktemp /tmp/config.XXXXXX)
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sed -n 's/^ \+config \(.*\)/\1/p' config/Config-build.in config/Config-devel.in > "${TMP_CONFIG}-FOCUS"
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sort .config | grep -f "${TMP_CONFIG}-FOCUS" | grep -v "^#" | sort > "${TMP_CONFIG}-LOCAL"
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mv .config .config.bak
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"$DOWNLOAD_METHOD" "$CONFIG_URL" > .config
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make defconfig > /dev/null 2> /dev/null
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grep -f "${TMP_CONFIG}-FOCUS" .config | grep -v "^#" | sort > "${TMP_CONFIG}-UPSTREAM"
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mv .config.bak .config
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echo
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echo " --- start config diff ---"
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diff -u "${TMP_CONFIG}-LOCAL" "${TMP_CONFIG}-UPSTREAM"
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echo " --- end config diff ---"
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rm "${TMP_CONFIG}-FOCUS" "${TMP_CONFIG}-UPSTREAM" "${TMP_CONFIG}-LOCAL"
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echo
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if [ -z "$CHECK_INSTALLED" ]; then
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echo "Checking IPK package size"
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else
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echo "Checking installed size"
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fi
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echo
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echo "Fetching latest package indexes..."
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TMP_INDEX=$(mktemp /tmp/size_compare_package_index.XXXXXX)
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"$DOWNLOAD_METHOD" "$TARGET_URL" | gzip -d > "$TMP_INDEX" || exit 1
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"$DOWNLOAD_METHOD" "$PACKAGES_URL" | gzip -d >> "$TMP_INDEX" || exit 1
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echo
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echo "Comparing package sizes..."
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echo "Change Local Remote Package"
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compare_sizes | sort -g -r
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rm "$TMP_INDEX"
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