diff --git a/CI/github.build.deploy.sh b/CI/github.build.deploy.sh
index 2b19ef01b..fe27acbda 100755
--- a/CI/github.build.deploy.sh
+++ b/CI/github.build.deploy.sh
@@ -2,9 +2,11 @@
 
 # These should be set by Travis
 #TRAVIS_BUILD_NUMBER=1
-#TRAVIS_BRANCH=master/travis
+#TRAVIS_BRANCH=master
 #TRAVIS_REPO_SLUG="RemoteTechnologiesGroup/RemoteTech"
+#TRAVIS_COMMIT=master
 #GITHUB_TOKEN="Personal access token from https://github.com/settings/applications"
+#TRAVIS_PULL_REQUEST=false
 
 VERSION="build-${TRAVIS_BRANCH}-${TRAVIS_BUILD_NUMBER}"
 FILENAME=$(echo "${VERSION}.zip" | tr '/' '_') # else it will fail on branches like chore/travis
@@ -14,19 +16,32 @@ python_parse_json() {
 	cat | python -c 'import sys,json;obj=json.load(sys.stdin);print obj[sys.argv[1]];' $1 2>/dev/null
 }
 
-echo "Creating ${FILENAME}"
-zip -r "${FILENAME}" GameData/
-
 if [ -z "$GITHUB_TOKEN" ] || [ -z "$TRAVIS_REPO_SLUG" ] \
-	|| [ -z "$TRAVIS_BUILD_NUMBER" ] || [ -z "$TRAVIS_BRANCH" ]
+	|| [ -z "$TRAVIS_BUILD_NUMBER" ] || [ -z "$TRAVIS_BRANCH" ] \
+	|| [ -z "$TRAVIS_COMMIT" ]
 then
-	echo "GITHUB_TOKEN, TRAVIS_REPO_SLUG and TRAVIS_BUILD_NUMBER must be set in order to deploy";
+	echo "GITHUB_TOKEN, TRAVIS_REPO_SLUG, TRAVIS_BUILD_NUMBER and TRAVIS_COMMIT must be set in order to deploy";
 	echo "Skipping deploy for now";
 	exit 0; # prevent build failing if unset
 fi
 
+if [ "$TRAVIS_PULL_REQUEST" != "false" ]
+then
+	echo "This is a pull request build, it doesn't need to be released."
+	exit 0; # prevent build fail
+fi
+
+if [[ "$TRAVIS_BRANCH" == build* ]]
+then
+	echo "We're already on a 'build branch' (or tag), don't need to deploy again";
+	exit 0;
+fi
+
+echo "Creating ${FILENAME}"
+zip -r "${FILENAME}" GameData/
+
 echo "Attempting to create tag ${VERSION} on ${TRAVIS_REPO_SLUG}"
-API_JSON=$(printf '{"tag_name": "%s","target_commitish": "master","name": "%s","body": "Automated pre-release build %s","draft": false,"prerelease": true}' $VERSION $VERSION $VERSION)
+API_JSON=$(printf '{"tag_name": "%s","target_commitish": "%s","name": "%s","body": "Automated pre-release of version %s","draft": false,"prerelease": true}' $VERSION $TRAVIS_COMMIT $VERSION $VERSION)
 ADDRESS=$(printf 'https://api.github.com/repos/%s/releases?access_token=%s' $TRAVIS_REPO_SLUG $GITHUB_TOKEN)
 
 REPLY=$(curl --data "$API_JSON" "$ADDRESS");
diff --git a/build.remotetech2.sh b/build.remotetech2.sh
index 992a6b8f2..5d537e114 100755
--- a/build.remotetech2.sh
+++ b/build.remotetech2.sh
@@ -6,6 +6,12 @@ if [ ! -f "$SRCDIR/Assembly-CSharp-firstpass.dll" ] \
    || [ ! -f "$SRCDIR/Assembly-CSharp.dll" ] \
    || [ ! -f "$SRCDIR/UnityEngine.dll" ];
 then
+   if [ "$TRAVIS_SECURE_ENV_VARS" = "false" ]; then
+      # this should only happen for pull requests
+      echo "Unable to build as the env vars have not been set. Can't decrypt the zip."
+      exit 0; # can't decide if this should error
+   fi
+
    if [[ ! -f dlls.zip ]]; then
       echo "Need to get dependency .dll's"
       wget -O dlls.zip "https://www.dropbox.com/s/kyv25p3qn166nzp/dlls.zip?dl=1"
@@ -27,3 +33,4 @@ then
 fi
 
 cd src/RemoteTech2 && xbuild
+