Use UPXv3.96 (latest) for binaries (#248)

* Verify UPX compressed binaries with UPX
* Install UPX v3.96 on CI
* Seperate Build and UPX scripts

Merged-by: Suhas Vishwanath <suhas.vishwanath@thoughtworks.com>

.talismanrc

@@ -23,6 +23,8 @@ fileignoreconfig:
   checksum: 7e5442d7ee07a6fad12cf636c5dc2880c69b9593fd286e44d567e178ffdd0194
 - filename: global_install_scripts/install.bash
   checksum: 5d659125ecbe619ea99f5bc71c2d761b586ce3ec9ccab7683ee54f4ebde9f748
+- filename: upx_compress.sh
+  checksum: 1a5d9b0ebd627646650c86236f4a21df5b4a2bcf26d77c439dd81c7b28ff9aa0
 - filename: install.sh
   checksum: 871261b64e3321d1e15c02e7fcb84b7f31ff18dabd7b8d6459d8c1f6fc443c3a
 scopeconfig:

.travis.yml

@@ -7,7 +7,6 @@ go:
 - stable
 before_install:
 - go get github.com/mattn/goveralls
-- sudo apt-get -y install upx-ucl
 install: true
 jobs:
   include:
@@ -16,7 +15,7 @@ jobs:
     - go mod vendor
     - go test -covermode=count -coverprofile=coverage.out -v ./...
     - "$GOPATH/bin/goveralls -coverprofile=coverage.out -service=travis-ci"
-before_deploy: "./build"
+before_deploy: "./build && ./upx_compress.sh"
 deploy:
   provider: releases
   draft: true

build

@@ -3,5 +3,4 @@ VERSION=$(git describe --tags HEAD)
 export GO111MODULE=on
 go get github.com/mitchellh/gox
 gox -os="linux darwin windows" -arch="386 amd64" -ldflags="-s -w -X main.Version=${VERSION}"
-upx --lzma talisman_{l,d,w}*
 shasum -b -a256 talisman_{l,d,w}* > checksums

upx_compress.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+# UPX Install START
+# Install UPX 3.96(Latest for linux) working version
+wget https://github.com/upx/upx/releases/download/v3.96/upx-3.96-amd64_linux.tar.xz
+sha256sum upx-3.96-amd64_linux.tar.xz | grep -i 'AC75F5172C1C530D1B5CE7215CA9E94586C07B675A26AF3B97F8421B8B8D413D' || exit -1
+tar -xf upx-3.96-amd64_linux.tar.xz
+PATH="$PATH:`pwd`/upx-3.96-amd64_linux"
+# UPX Install END
+upx --lzma talisman_{l,d,w}*
+upx -t talisman_{l,d,w}*
+shasum -b -a256 talisman_{l,d,w}* > checksums