1 #!/bin/bash 2 3 set -e # fail on errors 4 5 if [[ $(uname) == "Darwin" ]]; then 6 PROG_DIR=$(dirname "$0") 7 else 8 PROG_DIR=$(readlink -f $(dirname "$0")) 9 fi 10 cd "$PROG_DIR" 11 12 DRY="echo" # default to dry mode unless -f is specified 13 MK_MERGE_MSG="1" # 1 to update the MERGE_MSG, empty to do not generate it 14 MERGE_MSG="" # msg to generate 15 JAR_DETECT="" 16 NAMES_FILTER="" 17 18 while [[ -n "$1" ]]; do 19 if [[ "$1" == "-f" ]]; then 20 DRY="" 21 elif [[ "$1" == "-m" ]]; then 22 MK_MERGE_MSG="" 23 elif [[ "$1" == "-u" ]]; then 24 JAR_DETECT="auto" 25 elif [[ "$1" == "-o" ]]; then 26 JAR_DETECT="only" 27 elif [[ $JAR_DETECT == "only" && $1 =~ ^[a-z]+ ]]; then 28 NAMES_FILTER="$NAMES_FILTER $1" 29 else 30 echo "Unknown argument: $1" 31 echo "Usage: $0 [-f] [-m] [-u | -o name1.jar ... nameN.jar]" 32 echo " -f: actual do thing. Default is dry-run." 33 echo " -m: do NOT generate a .git/MERGE_MSG" 34 echo " -u: detect and git-revert unchanged JAR files" 35 echo " -o: only keep the given *leaf* filenames (.jar can be omitted)" 36 exit 1 37 fi 38 shift 39 done 40 41 if [[ $JAR_DETECT == "only" && -z "$NAMES_FILTER" ]]; then 42 echo "Error: -o must be followed by names of files to keep." 43 exit 1 44 fi 45 46 function update() { 47 echo 48 local repo=$1 49 50 echo "# Build tools/$repo" 51 52 local SHA1=$( cd ../../tools/$repo ; git show-ref --head --hash HEAD ) 53 MERGE_MSG="$MERGE_MSG 54 tools/$repo: @ $SHA1" 55 56 ( $DRY cd ../../tools/$repo && $DRY ./gradlew clean publishLocal pushDistribution ) 57 } 58 59 function merge_msg() { 60 local dst=.git/MERGE_MSG 61 if [[ -n $DRY ]]; then 62 echo "The following would be output to $dst (use -m to prevent this):" 63 dst=/dev/stdout 64 fi 65 cat >> $dst <<EOMSG 66 Update SDK prebuilts. 67 Origin: 68 $MERGE_MSG 69 70 EOMSG 71 } 72 73 function preserve_jars() { 74 JAR_TMP_DIR=`mktemp -d -t prebuilt_update_tmp.XXXXXXXX` 75 N=0 76 for i in `find . -type f | grep -v "^\./\."` ; do 77 tmpf=`echo $i | tr "./" "__"` 78 dstf="$JAR_TMP_DIR/$tmpf" 79 cp "$i" "$dstf" 80 N=$((N+1)) 81 done 82 echo "# Copied $N files to" $(basename $JAR_TMP_DIR) 83 } 84 85 function revert_unchanged_jars() { 86 local i tmpf dstf tmp_hash local_hash 87 for i in `find . -type f | grep -v "^\./\."` ; do 88 tmpf=`echo $i | tr "./" "__"` 89 dstf="$JAR_TMP_DIR/$tmpf" 90 tmp_hash=`get_hash $dstf` 91 local_hash=`get_hash $i` 92 if [[ $dst_hash == $src_hash ]]; then 93 echo "# Revert unchanged file $i" 94 $DRY cp "$dstf" "$i" 95 else 96 echo "!--> Keep changed file $i" 97 fi 98 done 99 if [[ -d $JAR_TMP_DIR ]]; then 100 echo "# Cleanup" $(basename $JAR_TMP_DIR) 101 rm -rf $JAR_TMP_DIR 102 fi 103 } 104 105 function revert_filter_jars() { 106 local i j tmpf dstf keep 107 for i in `find . -type f | grep -v "^\./\."` ; do 108 tmpf=`echo $i | tr "./" "__"` 109 dstf="$JAR_TMP_DIR/$tmpf" 110 if ! diff -q $dstf $i 1>/dev/null ; then 111 j=$(basename "$i") 112 for f in $NAMES_FILTER; do 113 if [[ "$j" == "$f" || "$j" == "$f.jar" ]]; then 114 echo "!--> Keep changed file $i" 115 i="" 116 break 117 fi 118 done 119 if [[ -f "$i" ]]; then 120 echo "# Revert file $i" 121 $DRY cp "$dstf" "$i" 122 fi 123 fi 124 done 125 if [[ -d $JAR_TMP_DIR ]]; then 126 echo "# Cleanup" $(basename $JAR_TMP_DIR) 127 rm -rf $JAR_TMP_DIR 128 fi 129 } 130 131 function get_hash() { 132 # $1: the file to hash 133 if [[ "${1: -3}" == "jar" ]]; then 134 # Explanation: 135 # - unzip -v prints a "verbose" list of a zip's content including each file path, size, timestamp and CRC32 136 # - we don't want the timestamp so we use sed to first remove the time (12:34) and the date (13-14-15). 137 # - finally get a md5 of the zip output. 138 # if the md5 changes, the zip's content has changed (new file, different content size, different CRC32) 139 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 1 140 else 141 md5sum -b "$1" | cut -d " " -f 1 142 fi 143 } 144 145 146 if [[ -n $JAR_DETECT ]]; then preserve_jars; fi 147 for r in base swt; do 148 update $r 149 done 150 if [[ -n $MK_MERGE_MSG ]]; then merge_msg; fi 151 if [[ $JAR_DETECT == "auto" ]]; then 152 revert_unchanged_jars 153 elif [[ $JAR_DETECT == "only" ]]; then 154 revert_filter_jars 155 fi 156 if [[ -n $DRY ]]; then 157 echo 158 echo "## WARNING: DRY MODE. Run with -f to actually copy files." 159 fi 160 161
