zbundle

zbundle

#!/bin/bash
set -e
getopts "s" show && shift
if [[ $show == "s" ]]; then
    while read line; do
        hex="$(echo $line | od -N4 -x | head -1)"
        byte=(${hex})
        if [[ ${byte[1]} == "4b50" && ${byte[2]} == "0403" ]]; then
            break
        fi
        fragment="$fragment$newline$line"
        newline="\n"
    done < ${1:-/dev/stdin}
    echo -e $fragment
    exit
fi
if [[ -z "$1" ]]; then
    cat << EOF 
$0 FILE...
$0 -s [FILE]
Prefix the zip file created of FILEs with a shell fragment.
The zip file is self extracting and after doing so it executes the shell fragment.
The name of the zip file is FILE.zip.

 -s     show the contents of shell fragment on standard output
EOF
    exit
fi

fragment=$(mktemp)
cat << EOF > $fragment
#!/bin/bash
unzip -qo \$0 2>/dev/null

exit
EOF
trap "rm $fragment" EXIT
${EDITOR:-vi} $fragment
cat $fragment <(zip - "$@") > "$1".zip && chmod +x "$1".zip