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#!/bin/sh
set -e
[ -z "$SOURCE_DATE_EPOCH" ] || {
PYTHONHASHSEED="$SOURCE_DATE_EPOCH"
export PYTHONHASHSEED
}
process_filespec() {
local src_dir="$1"
local dst_dir="$2"
local filespec="$3"
echo "$filespec" | (
IFS='|'
while read fop fspec fperm; do
local fop=`echo "$fop" | tr -d ' \t\n'`
if [ "$fop" = "+" ]; then
if [ ! -e "${src_dir}${fspec}" ]; then
echo "File not found '${src_dir}${fspec}'"
exit 1
fi
dpath=`dirname "$fspec"`
if [ -z "$fperm" ]; then
dperm=`stat -c "%a" ${src_dir}${dpath}`
fi
mkdir -p -m$dperm ${dst_dir}${dpath}
echo "copying: '$fspec'"
cp -fpR ${src_dir}${fspec} ${dst_dir}${dpath}/
if [ -n "$fperm" ]; then
chmod -R $fperm ${dst_dir}${fspec}
fi
elif [ "$fop" = "-" ]; then
echo "removing: '$fspec'"
rm -fR ${dst_dir}${fspec}
elif [ "$fop" = "=" ]; then
echo "setting permissions: '$fperm' on '$fspec'"
chmod -R $fperm ${dst_dir}${fspec}
fi
done
)
}
delete_empty_dirs() {
local dst_dir="$1"
if [ -d "$dst_dir/usr" ] ; then
find "$dst_dir/usr" -empty -type d -delete
fi
}
ver="$1"
src_dir="$2"
dst_dir="$3"
python="$4"
mode="$5"
filespec="$6"
SED="${SED:-sed -e}"
find "$src_dir" -name "*.exe" -delete
process_filespec "$src_dir" "$dst_dir" "$filespec" || {
echo "process filespec error-ed"
exit 1
}
usr_bin_dir="$dst_dir/usr/bin"
if [ -d "$usr_bin_dir" ] ; then
$SED "1"'!'"b;s,^#"'!'".*python.*,#"'!'"/usr/bin/python${ver}," -i --follow-symlinks $usr_bin_dir/*
fi
if [ "$mode" == "sources" ] ; then
# Copy only python source files
find "$dst_dir" -not -type d -not -name "*.py" -delete
delete_empty_dirs "$dst_dir"
exit 0
fi
legacy=
[ "$ver" == "3" ] && legacy="-b"
# default max recursion is 10
max_recursion_level=20
# XXX [So that you won't goof as I did]
# Note: Yes, I tried to use the -O & -OO flags here.
# However the generated byte-codes were not portable.
# So, we just stuck to un-optimized byte-codes,
# which is still way better/faster than running
# Python sources all the time.
$python -m compileall -r "$max_recursion_level" $legacy -d '/' "$dst_dir" || {
echo "python -m compileall err-ed"
exit 1
}
# Delete source files and pyc [ un-optimized bytecode files ]
# We may want to make this optimization thing configurable later, but not sure atm
find "$dst_dir" -type f -name "*.py" -delete
delete_empty_dirs "$dst_dir"
exit 0
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