#!/bin/bash
set -e
#set -x
[ -z "$2" ] && echo "usage: \"$0\" <file> <source-prefix> <destination-dir>" && echo "This utility relocates binary <file> from <source-prefix> to <destonation-dir> together with all dependencies and adds rpath support." && exit 1
readlink_f() {
TARGET_FILE=$1
cd `dirname $TARGET_FILE`
TARGET_FILE=`basename $TARGET_FILE`
# Iterate down a (possible) chain of symlinks
while [ -L "$TARGET_FILE" ]
do
TARGET_FILE=`readlink $TARGET_FILE`
cd `dirname $TARGET_FILE`
TARGET_FILE=`basename $TARGET_FILE`
done
# Compute the canonicalized name by finding the physical path
# for the directory we're in and appending the target file.
PHYS_DIR=`pwd -P`
RESULT=$PHYS_DIR/$TARGET_FILE
echo $RESULT
}
remove_prefix() {
local INPUT="$1"
local OUTPUT=""
if [[ "$INPUT" == /usr/local/Cellar/* ]]; then
TMP="${INPUT#*/}" # usr/local/Cellar/pkgname/pkgversion/path
TMP="${TMP#*/}" # local/Cellar/pkgname/pkgversion/path
TMP="${TMP#*/}" # Cellar/pkgname/pkgversion/path
TMP="${TMP#*/}" # pkgname/pkgversion/path
TMP="${TMP#*/}" # pkgversion/path
TMP="${TMP#*/}" # path
OUTPUT="${TMP}"
elif [[ "$INPUT" == /usr/local/opt/* ]]; then
TMP="${INPUT#*/}" # usr/local/opt/pkgname/path
TMP="${TMP#*/}" # local/opt/pkgname/path
TMP="${TMP#*/}" # opt/pkgname/path
TMP="${TMP#*/}" # pkgname/path
TMP="${TMP#*/}" # path
OUTPUT="${TMP}"
elif [[ "$INPUT" == /usr/local/lib/* ]]; then
TMP="${INPUT#*/}" # usr/local/lib/file
TMP="${TMP#*/}" # local/lib/file
TMP="${TMP#*/}" # lib/file = path
OUTPUT="${TMP}"
elif [[ "$INPUT" == /usr/local/share/* ]]; then
TMP="${INPUT#*/}" # usr/local/share/file
TMP="${TMP#*/}" # local/share/file
TMP="${TMP#*/}" # share/file = path
OUTPUT="${TMP}"
elif [[ "$INPUT" == $PREFIX* ]]; then
#LINE2=`echo "${INPUT}" | cut -c1-$PREFIXLEN`
OUTPUT="${INPUT:$PREFIXLEN}"
fi
echo "$OUTPUT"
}
process_lib() {
local FILESRC="$1"
local FILEDEST_SHORT="$2"
#local FILE_PARENT="$2"
local FILEDEST="${DEST}/${FILEDEST_SHORT}"
if [ ! -f "${FILEDEST}" ]; then
if [ ! -d `dirname "${FILEDEST}"` ]; then
mkdir -p `dirname "${FILEDEST}"`
fi
REALPATH=`readlink_f "${FILESRC}"`
cp "${REALPATH}" "${FILEDEST}"
chmod a+rw "$FILEDEST"
install_name_tool -add_rpath ./ "$FILEDEST" > /dev/null 2>&1 || true
echo "Relinking ${FILEDEST_SHORT} ..."
local FIRST=true
local LINE=
local LINE2=
otool -L "${FILEDEST}" | while read -r LINE; do
#echo "$LINE"
if $FIRST; then
FIRST=false
else
LINE=`echo "$LINE" | sed -e 's/^[ \t]*//' | sed -e 's/ \(.*\)$//'`
# make sure file isn't referencing itself
#A=$(basename "$FILEDEST")
#B=$(basename "$LINE")
if [ ! "$LINE" == "$FILESRC" ]; then
LINE2=`remove_prefix "$LINE"`
if [ ! -z "$LINE2" ]; then
#if [ ! -z "$FILE_PARENT" ]; then
#echo " install_name_tool -change \"$LINE\" \"@rpath/$LINE2\" \"$FILEDEST\""
install_name_tool -change "$LINE" "@rpath/$LINE2" "$FILEDEST"
process_lib "$LINE" "$LINE2"
#fi
fi
fi
fi
done
#echo "... finished ${FILEDEST_SHORT}"
fi
}
#scan "$BASE_FILE"
#scan "$BASE_FILE" subscan
#TARGET_FILE=`readlink_f "$1"`
TARGET_FILE="$1"
echo "Gathering deps for: $TARGET_FILE"
export DEST="$3"
#echo "DESTINATION: $DEST"
export PREFIX="$2"
export PREFIXLEN=${#PREFIX}
if [ ! -f "${TARGET_FILE}" ]; then
echo "ERROR: File not found."
exit 1
fi
FILEDEST_SHORT=`remove_prefix "${TARGET_FILE}"`
if [[ "${TARGET_FILE}" == ${PREFIX}* ]]; then
process_lib "${TARGET_FILE}" "${FILEDEST_SHORT}"
fi
echo "Success."
echo ""