Stop when binary is static

README.md

@@ -18,4 +18,4 @@ Usage: ./packelf-appimage.sh <ELF_SRC_PATH> <ELF_DST_PATH>
 * chmod
 * appimagetool (https://github.com/AppImage/appimagetool/releases)
 * ldd (only needed for packing, not needed for executing or unpacking)
-
+* fusermount (only for executing)

packelf-appimage.sh

@@ -73,6 +73,10 @@ if [ ! -z "${1}" ] ; then
     ld_so="$(echo "$libs" | grep -F '/ld-linux-' || echo "$libs" | grep -F '/ld-musl-')"
     ld_so="$(basename "$ld_so")"
     program="$(basename "${1}")"
+    if [ -z "${libs}" ] ; then
+      echo "${0}: Not a dynamic executable"
+      exit 1
+    fi
   fi
 else
   echo "Usage: ${0} <ELF_SRC_PATH> <ELF_DST_PATH>"