Add nero.sh

diff --git a/nero.sh b/nero.sh
new file mode 100755 (executable)
index 0000000..a23cab5
--- /dev/null
+++ b/nero.sh
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+die() {
+    echo $@
+    exit 1
+}
+
+my_uname=$(uname -a)
+case "${my_uname}" in
+    Darwin*) ;;
+    *)die "This script only works on MacOS"
+esac
+
+usage() {
+    cat <<EOF
+nero.sh: CD-R burning tool for MacOS.
+
+-d [directory]      Create a data CD using the given directory
+-k                  Skip cleanup
+-h                  Show this help message
+EOF
+}
+
+data_dir=""
+skip_cleanup=0
+while getopts "d:kh" flag; do
+    case $flag in
+        d) data_dir="${OPTARG}";;
+        k) skip_cleanup=1;;
+        h) usage; exit 0;;
+        *) usage; exit 1;;
+    esac
+done
+shift $OPTIND
+[[ $# -ne 0 ]] || die "unknown arguments at end. -h for help."
+
+if [[ $data_dir != "" ]]; then
+    temp_dir="`mktemp -d`"
+    echo "== created temporary directory $temp_dir"
+    if [[ $skip_cleanup == 1 ]]; then
+        echo "== will not install cleanup hook"
+    else
+        function remove_iso_temp {
+            echo "== removing $temp_dir"
+            rm -rf -- "${temp_dir}"
+        }
+        trap remove_iso_temp EXIT
+    fi
+    echo "== creating ${temp_dir}/iso"
+    hdiutil makehybrid -iso -joliet -o "${temp_dir}/temp" "${data_dir}"
+    echo "== burning ${temp_dir}/temp.iso"
+    hdiutil burn "${temp_dir}/temp.iso"
+else
+    die "You must supply a path. -h for help."
+fi