Use github actions instead of travis

Change-Id: I8a03ca383c53bbcacc403cb954fc2ec2af8fe33d

.github/workflows/build.yml

@@ -0,0 +1,47 @@
+name: build
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go: [ '1.14', '1.13' ]
+    name: Build and test on go ${{ matrix.go }}
+    steps:
+
+    - name: Set up Go ${{ matrix.go }}
+      uses: actions/setup-go@v2.0.3
+      with:
+        go-version: ${{ matrix.go }}
+      id: go
+
+    - name: Check out code
+      uses: actions/checkout@v2.2.0
+
+    - name: Install ninja
+      run: |
+        mkdir -p ${GITHUB_WORKSPACE}/ninja-bin; cd ${GITHUB_WORKSPACE}/ninja-bin
+        wget https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-linux.zip
+        unzip ninja-linux.zip
+        rm ninja-linux.zip
+        echo "::add-path::${GITHUB_WORKSPACE}/ninja-bin"
+
+    - name: Run gofmt
+      run: ./.gofmt.sh
+
+    - name: Test
+      run: go test ./...
+
+    - name: Test with race detector
+      run: go test -race -short ./...
+
+    - run: ./tests/test.sh
+    - run: ./tests/test_tree_tests.sh
+    - run: ./tests/test_tree_tests.sh -t

.travis.fix-fork.sh

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-if echo $TRAVIS_BUILD_DIR | grep -vq "github.com/google/blueprint$" ; then
-  cd ../..
-  mkdir -p google
-  mv $TRAVIS_BUILD_DIR google/blueprint
-  cd google/blueprint
-  export TRAVIS_BUILD_DIR=$PWD
-fi

.travis.install-ninja.sh

@@ -1,22 +0,0 @@
-#!/bin/bash
-
-# Version of ninja to build -- can be any git revision
-VERSION="v1.7.1"
-
-set -ev
-
-SCRIPT_HASH=$(sha1sum ${BASH_SOURCE[0]} | awk '{print $1}')
-
-cd ~
-if [[ -d ninjabin && "$SCRIPT_HASH" == "$(cat ninjabin/script_hash)" ]]; then
-  exit 0
-fi
-
-git clone https://github.com/martine/ninja
-cd ninja
-./configure.py --bootstrap
-
-mkdir -p ../ninjabin
-rm -f ../ninjabin/ninja
-echo -n $SCRIPT_HASH >../ninjabin/script_hash
-mv ninja ../ninjabin/

.travis.yml

@@ -1,27 +0,0 @@
-language: go
-
-go:
-    - "1.10"
-    - "1.11"
-    - "1.12"
-    - "1.13"
-
-cache:
-    directories:
-        - $HOME/ninjabin
-
-install:
-    - ./.travis.install-ninja.sh
-    - export PATH=$PATH:~/ninjabin
-
-before_script:
-    - source .travis.fix-fork.sh
-
-script:
-    - export GOROOT=$(go env GOROOT)
-    - ./.travis.gofmt.sh
-    - go test ./...
-    - go test -race -short ./...
-    - ./tests/test.sh
-    - ./tests/test_tree_tests.sh
-    - ./tests/test_tree_tests.sh -t

README.md

@@ -1,6 +1,6 @@
 Blueprint Build System
 ======================
-[![Build Status](https://travis-ci.org/google/blueprint.svg?branch=master)](https://travis-ci.org/google/blueprint) 
+[![build](https://github.com/danw/blueprint/workflows/build/badge.svg)](https://github.com/google/blueprint/actions)
 
 Blueprint is a meta-build system that reads in Blueprints files that describe
 modules that need to be built, and produces a