enhances simple download and install for gopass

get.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env sh
+# get recent release version
+url_effective=$(curl -sLI -o /dev/null -w %{url_effective} https://github.com/gopasspw/gopass/releases/latest)
+url=$(echo ${url_effective} | sed 's/\/tag\//\/download\//')"/"
+ver=$(echo -n $url | cut -d'/' -f8 | cut -d"v" -f2)
+fn1="gopass"
+fn_deb=${fn1}"-"${ver}"-linux-amd64.deb"
+fn_SHA256=${fn1}"_"${ver}"_SHA256SUMS"
+
+# download files: deb and checksums
+curl -L $url$fn_deb -o $fn_deb || { echo "download failed"; exit 1; }
+curl -L $url$fn_SHA256 -o $fn_SHA256 || { echo "download failed"; exit 1; }
+
+# test checksums
+test $(cat ${fn_SHA256} |grep ${fn_deb} |cut -d" " -f1) = $(sha256sum gopass-1.8.6-linux-amd64.deb|cut -d" " -f1) && {
+	# install
+	sudo dpkg -i $fn
+} || {
+	echo "checksum failed"#; exit 1
+}