chore(release): Improve release scripts

release.sh

@@ -17,6 +17,13 @@ step0() {
 	echo - npm $(npm -v)
 	echo - python $(python --version | awk '{print $2}')
 	echo
+	git log -n1
+	echo
+
+	if grep "TEAM-ID-HERE" package.json >/dev/null; then
+		echo [ERROR] Team ID not in package.json.
+		exit -1
+	fi
 }
 
 step1() {

shasum-sign.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# Generate SHA256SUMS and SHA256SUMS.asc from the most recent build.
+#
+
+# Setting flags to fail early, strict variable usage and verbose output
+set -e
+set -u
+set -x
+
+rm -f ./dist/SHA256SUMS
+rm -f ./dist/SHA256SUMS.asc
+
+# remove spaces from all filenames
+(cd ./dist && find . -maxdepth 1 -type f -iname "* *" -print0 | xargs -0 -I {} bash -c 'mv "$0" "${0// /.}"' {})
+
+# generate SHA256SUMS
+(cd ./dist && find . -type f -iname \*wallet\* -mmin -180 -maxdepth 1 | xargs -L1 basename | xargs shasum -a 256 > SHA256SUMS)
+
+gpg -s --detach-sign -a -u 0x8DE497EA ./dist/SHA256SUMS