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#!/bin/sh
# $1 = binary (program or dylib)
B_TARGET=$1
if [ "x$B_TARGET" = "x" ]; then
echo Which binary needs to be re-referenced?
exit 1
fi
cd $(dirname $B_TARGET) || exit 1
# where to find non-system libraries relative to target's directory.
# the vast majority of the time this should be empty
B_REL_PATH=$2
# we're in target's directory now. trim off the path
B_TARGET=$(basename $B_TARGET)
# get a list of non-system libraries and make local copies
B_LIBS=$(otool -XL $B_TARGET | awk '{ print $1 }' | grep -Ev '^(/usr/lib|/System)')
[ $? -ne 0 ] && exit 1
for B_LIB in $B_LIBS; do
B_LIB_NAME=$(basename $B_LIB)
# ignore self-references
[ "$B_TARGET" = "$B_LIB_NAME" ] && continue
B_DST=${B_REL_PATH}${B_LIB_NAME}
if [ ! -e $B_DST ]; then
cp $B_LIB $B_DST || exit 1
chmod u+rw $B_DST || exit 1
# recursively call this script on libraries purposefully not passing
# $B_REL_PATH so that it is only used explicitly
$0 $B_DST
fi
# adjust the target's metadata to point to the local copy
# rather than the system-wide copy which would only exist on
# a development machine
install_name_tool -change $B_LIB @loader_path/$B_DST $B_TARGET || exit 1
done
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