Update lots of things

bin/sri-hash

@@ -0,0 +1,23 @@
+#!/bin/bash
+usage="Usage: $(basename "$0") URL
+Generate the subresource integrity hash (SRI) of URL.
+    
+      --help  display this help and exit"
+
+seed=42
+while getopts ':hs-help:' option; do
+  case "$option" in
+    h) echo "$usage"
+       exit
+       ;;
+    :) printf "missing argument for -%s\n" "$OPTARG" >&2
+       echo "$usage" >&2
+       exit 1
+       ;;
+   \?) printf "illegal option: -%s\n" "$OPTARG" >&2
+       echo "$usage" >&2
+       exit 1
+       ;;
+  esac
+done
+echo sha384-$(curl -s $1 | openssl dgst -sha384 -binary | openssl enc -base64 -A)