termux-tools: fix termux-fix-shebang script (#888)

diff --git a/packages/termux-tools/termux-fix-shebang b/packages/termux-tools/termux-fix-shebang
index 1ac56c2..84bbca4 100755 (executable)
--- a/packages/termux-tools/termux-fix-shebang
+++ b/packages/termux-tools/termux-fix-shebang
@@ -7,7 +7,6 @@ if [ $# = 0 -o "$1" = "-h" ]; then
        exit 1
 fi
 
-for file in $@; do
-       # Do realpath to avoid breaking symlinks (modify original file):
-       sed -i -E "1 s@^#\!(.*)/bin/(.*)@#\!/data/data/com.termux/files/usr/bin/\2@" `realpath $@`
+for file in "$@"; do
+       sed -i -E "1 s@^#\!(.*)/[sx]?bin/(.*)@#\!/data/data/com.termux/files/usr/bin/\2@" "$(realpath "${file}")"
 done