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|
#!/bin/sh
OS_DIR=${OS_DIR:-$HOME/os}
OS_MANIFEST=$OS_DIR/manifest
noop="echo "
total=0
copy_file() {
path=$1
if [ -f "$path" ]; then
# check that the file in the manifest matches
# skip if it does
if cmp "$path" "$OS_DIR$path" >/dev/null; then
return
fi
# mkdir base path
mkdir -p "$(dirname "$OS_DIR$path")"
# copy
cp -v "$path" "$OS_DIR$path"
# tally
total=$((total + 1))
elif [ -d "$path" ]; then
# handle dir
for file in "$path"/*; do
copy_file "$file"
done
else
# noop
echo "noop: $path"
return
fi
}
main() {
while IFS="\r" read -r line
do
[ -z "$line" ] && continue
echo "$line" | awk '/#.*/{exit 1}' || continue
# check that the file in the manifest exists
if [ ! -e "$line" ]; then
echo "error: $line not found" >&2
continue
fi
copy_file "$line"
done
}
uniq "$OS_MANIFEST" \
| grep -v '^$' \
| grep -v '^#' \
| main
echo "$total files."
|
