Only do script/mirror update on TravisCI

* Testing is done on GitHub Actions which is much faster.

.travis.yml

@@ -1,6 +1,6 @@
 sudo: false
 install: git clone --depth 1 https://github.com/sstephenson/bats.git
-script: PATH="./bats/bin:$PATH" script/test
+script: PATH="./bats/bin:$PATH" script/travis
 language: c
 notifications:
   email:

script/test

@@ -5,13 +5,7 @@ set -x
 STATUS=0
 bats ${CI:+--tap} test || STATUS="$?"
 
-if [ -n "$TRAVIS_COMMIT_RANGE" ]; then
-  COMMIT_RANGE="$TRAVIS_COMMIT_RANGE"
-fi
-
-if [ "$TRAVIS_SECURE_ENV_VARS" = "true" ]; then
-  ./script/mirror update "$COMMIT_RANGE"
-elif [ "${TRAVIS_PULL_REQUEST:-false}" != "false" ] || [ "$GITHUB_EVENT_NAME" = "pull_request" ]; then
+if [ "$GITHUB_EVENT_NAME" = "pull_request" ]; then
   ./script/mirror verify "$COMMIT_RANGE"
 fi
 

script/travis

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -e
+set -x
+
+if [ "$TRAVIS_SECURE_ENV_VARS" = "true" ]; then
+  ./script/mirror update "$TRAVIS_COMMIT_RANGE"
+fi