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#!/bin/bash
# Generate the default environment file from a list of directories
# usage: genenv <basedir> <objdir> <target> <dir>...
# where <basedir> is the base directory for relative paths in <dir>
# where <objdir> is the base directory for relative paths for result
# and <target> is the resulting binary environment
objtree=$2
basedir=$1
target=$3
shift 3
abspath() {
local fn dn
if [ $# -ne 1 ]; then
echo "usage: ptxd_abspath <path>"
exit 1
fi
if [ -d "${1}" ]; then
fn=""
dn="${1}"
else
fn="/$(basename "${1}")"
dn="$(dirname "${1}")"
fi
[ ! -d "${dn}" ] && exit 1
echo "$(cd "${dn}" && pwd)${fn}"
}
export -f abspath
tempdir=$(abspath "${target}.genenv.tmp")
tmpfile="$(mktemp)"
mkdir -p "$tempdir"
(cd $basedir
for i in $*; do
if [ -d $i ]; then
cp -r $i/* $tempdir
else
cp -a $i $tempdir
fi
done
)
find $tempdir -name '.svn' -o -name '*~' -delete
$objtree/scripts/bareboxenv -s $tempdir ${tmpfile}
diff "${tmpfile}" "${target}" >/dev/null 2>/dev/null
if [ $? != 0 ]; then
mv "${tmpfile}" "${target}"
else
rm ${tmpfile}
fi
rm -r $tempdir
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