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162 lines
4.2 KiB
162 lines
4.2 KiB
#!/bin/bash
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set -e # fail on errors
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if [[ $(uname) == "Darwin" ]]; then
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PROG_DIR=$(dirname "$0")
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else
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PROG_DIR=$(readlink -f $(dirname "$0"))
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fi
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cd "$PROG_DIR"
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DRY="echo" # default to dry mode unless -f is specified
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MK_MERGE_MSG="1" # 1 to update the MERGE_MSG, empty to do not generate it
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MERGE_MSG="" # msg to generate
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JAR_DETECT=""
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NAMES_FILTER=""
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while [[ -n "$1" ]]; do
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if [[ "$1" == "-f" ]]; then
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DRY=""
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elif [[ "$1" == "-m" ]]; then
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MK_MERGE_MSG=""
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elif [[ "$1" == "-u" ]]; then
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JAR_DETECT="auto"
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elif [[ "$1" == "-o" ]]; then
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JAR_DETECT="only"
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elif [[ $JAR_DETECT == "only" && $1 =~ ^[a-z]+ ]]; then
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NAMES_FILTER="$NAMES_FILTER $1"
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else
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echo "Unknown argument: $1"
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echo "Usage: $0 [-f] [-m] [-u | -o name1.jar ... nameN.jar]"
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echo " -f: actual do thing. Default is dry-run."
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echo " -m: do NOT generate a .git/MERGE_MSG"
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echo " -u: detect and git-revert unchanged JAR files"
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echo " -o: only keep the given *leaf* filenames (.jar can be omitted)"
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exit 1
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fi
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shift
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done
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if [[ $JAR_DETECT == "only" && -z "$NAMES_FILTER" ]]; then
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echo "Error: -o must be followed by names of files to keep."
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exit 1
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fi
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function update() {
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echo
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local repo=$1
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echo "# Build tools/$repo"
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local SHA1=$( cd ../../tools/$repo ; git show-ref --head --hash HEAD )
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MERGE_MSG="$MERGE_MSG
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tools/$repo: @ $SHA1"
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( $DRY cd ../../tools/$repo && $DRY ./gradlew clean publishLocal pushDistribution )
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}
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function merge_msg() {
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local dst=.git/MERGE_MSG
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if [[ -n $DRY ]]; then
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echo "The following would be output to $dst (use -m to prevent this):"
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dst=/dev/stdout
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fi
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cat >> $dst <<EOMSG
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Update SDK prebuilts.
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Origin:
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$MERGE_MSG
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EOMSG
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}
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function preserve_jars() {
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JAR_TMP_DIR=`mktemp -d -t prebuilt_update_tmp.XXXXXXXX`
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N=0
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for i in `find . -type f | grep -v "^\./\."` ; do
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tmpf=`echo $i | tr "./" "__"`
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dstf="$JAR_TMP_DIR/$tmpf"
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cp "$i" "$dstf"
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N=$((N+1))
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done
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echo "# Copied $N files to" $(basename $JAR_TMP_DIR)
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}
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function revert_unchanged_jars() {
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local i tmpf dstf tmp_hash local_hash
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for i in `find . -type f | grep -v "^\./\."` ; do
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tmpf=`echo $i | tr "./" "__"`
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dstf="$JAR_TMP_DIR/$tmpf"
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tmp_hash=`get_hash $dstf`
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local_hash=`get_hash $i`
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if [[ $dst_hash == $src_hash ]]; then
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echo "# Revert unchanged file $i"
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$DRY cp "$dstf" "$i"
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else
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echo "!--> Keep changed file $i"
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fi
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done
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if [[ -d $JAR_TMP_DIR ]]; then
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echo "# Cleanup" $(basename $JAR_TMP_DIR)
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rm -rf $JAR_TMP_DIR
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fi
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}
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function revert_filter_jars() {
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local i j tmpf dstf keep
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for i in `find . -type f | grep -v "^\./\."` ; do
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tmpf=`echo $i | tr "./" "__"`
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dstf="$JAR_TMP_DIR/$tmpf"
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if ! diff -q $dstf $i 1>/dev/null ; then
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j=$(basename "$i")
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for f in $NAMES_FILTER; do
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if [[ "$j" == "$f" || "$j" == "$f.jar" ]]; then
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echo "!--> Keep changed file $i"
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i=""
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break
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fi
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done
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if [[ -f "$i" ]]; then
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echo "# Revert file $i"
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$DRY cp "$dstf" "$i"
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fi
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fi
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done
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if [[ -d $JAR_TMP_DIR ]]; then
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echo "# Cleanup" $(basename $JAR_TMP_DIR)
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rm -rf $JAR_TMP_DIR
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fi
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}
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function get_hash() {
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# $1: the file to hash
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if [[ "${1: -3}" == "jar" ]]; then
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# Explanation:
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# - unzip -v prints a "verbose" list of a zip's content including each file path, size, timestamp and CRC32
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# - we don't want the timestamp so we use sed to first remove the time (12:34) and the date (13-14-15).
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# - finally get a md5 of the zip output.
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# if the md5 changes, the zip's content has changed (new file, different content size, different CRC32)
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unzip -v $1 | sed -n -e "/[0-9][0-9]:[0-9][0-9]/s/[0-9][0-9]:[0-9][0-9]// ; s/[0-9][0-9]-[0-9][0-9]-[0-9][0-9]//p" | md5sum -b | cut -d " " -f 1
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else
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md5sum -b "$1" | cut -d " " -f 1
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fi
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}
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if [[ -n $JAR_DETECT ]]; then preserve_jars; fi
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for r in base swt; do
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update $r
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done
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if [[ -n $MK_MERGE_MSG ]]; then merge_msg; fi
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if [[ $JAR_DETECT == "auto" ]]; then
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revert_unchanged_jars
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elif [[ $JAR_DETECT == "only" ]]; then
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revert_filter_jars
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fi
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if [[ -n $DRY ]]; then
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echo
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echo "## WARNING: DRY MODE. Run with -f to actually copy files."
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fi
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