termux-tools: Avoid breaking symlinks with termux-fix-shebang

[termux-packages] / packages / termux-tools / termux-fix-shebang

#!/bin/sh

if [ $# = 0 -o "$1" = "-h" ]; then
        echo 'usage: termux-fix-shebang <files>'
        echo 'Rewrite shebangs in specified files for running under Termux,'
        echo 'which is done by rewriting #!*/bin/binary to #!$PREFIX/bin/binary.'
        exit 1
fi

for file in $@; do
        # Do realpath to avoid breaking symlinks (modify original file):
        sed -i -E "s@^#\!(.*)/bin/(.*)@#\!/data/data/com.termux/files/usr/bin/\2@" `realpath $@`
done