tmp: Add templates support, help text

tmp

@@ -9,25 +9,62 @@
 # Define variables
 name="$(basename "$0" .sh)"
 tmpdir="$(mktemp -d)"
+
 # Verify them
-[ -z ${tmpdir+x} ] && exit 2
+[ -z "$tmpdir" ] && exit 2
+
 # Define functions
-function log() {
+log() {
-	[ -z ${1+x} ] && return 1
+	[ -z "$1" ] && return 1
 	# shellcheck disable=1117
 	printf "%b: %s\n" \
 		"$name" \
 		"$1"
 }
-function cleanup() {
+cleanup() {
-	rm -rf "${tmpdir}"
+	[ -z "$tmpdir" ] && exit 2
+	log "Cleaning up \"$tmpdir\""
+	rm -rf "$tmpdir"
 }
+
+# Handle args
+while getopts ":h" opt; do
+	case $opt in
+		h)
+			cat << EOF
+Usage: $name [TEMPLATE]
+Create a temporary directory, copying the folder [TEMPLATE] from
+~/Templates/tmp, if it exists.
+
+  -h			Show this help text
+
+https://gitlab.com/rehashedsalt/bin
+EOF
+			exit 0
+			;;
+		*)
+			log "Invaild argumenet: $OPTARG"
+			exit 1
+			;;
+	esac
+done
+
+# Copy in template directory
+if [ -n "$1" ]; then
+	copydir="$HOME/Templates/tmp/$1"
+	if [ -d "$copydir" ]; then
+		log "Using template \"$1\""
+		cp -r "$copydir"/* "$tmpdir"
+	else
+		log "Could not find template directory \"$copydir\""
+	fi
+fi
+
 trap "cleanup" EXIT
 # Do the do
-log "This folder will be removed when this shell exits"
+log "This directory will be removed when this shell exits"
 (
-cd "${tmpdir}" || exit 50
+cd "$tmpdir" || exit 50
 exec "$SHELL"
 )
-cleanup