Prepare Travis CI for web3.js and explorer

.travis.yml

@@ -1,18 +1,3 @@
-os:
-  - osx
-  - windows
-
-language: rust
-rust:
-  - stable
-
-install:
-  - source ci/rust-version.sh
-
-script:
-  - source ci/env.sh
-  - ci/publish-tarball.sh
-
 branches:
   only:
     - master
@@ -23,21 +8,92 @@ notifications:
     on_success: change
     secure: 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
 
-deploy:
-  - provider: s3
-    access_key_id: $AWS_ACCESS_KEY_ID
-    secret_access_key: $AWS_SECRET_ACCESS_KEY
-    bucket: release.solana.com
-    region: us-west-1
-    skip_cleanup: true
-    acl: public_read
-    local_dir: travis-s3-upload
-    on:
-      all_branches: true
-  - provider: releases
-    api_key: $GITHUB_TOKEN
-    skip_cleanup: true
-    file_glob: true
-    file: travis-release-upload/*
-    on:
-      tags: true
+os: linux
+dist: bionic
+language: minimal
+
+jobs:
+  include:
+    - name: "Export Github Repositories"
+      if: type = push
+      language: python
+      git:
+        depth: false
+      script:
+        - .travis/export-github-repo.sh web3.js test-solana-web3.js
+        - .travis/export-github-repo.sh explorer test-explorer
+
+    - &release-artifacts
+      if: type = push
+      name: "macOS release artifacts"
+      os: osx
+      rust:
+        - stable
+      install:
+        - source ci/rust-version.sh
+      script:
+        - source ci/env.sh
+        - ci/publish-tarball.sh
+      deploy:
+        - provider: s3
+          access_key_id: $AWS_ACCESS_KEY_ID
+          secret_access_key: $AWS_SECRET_ACCESS_KEY
+          bucket: release.solana.com
+          region: us-west-1
+          skip_cleanup: true
+          acl: public_read
+          local_dir: travis-s3-upload
+          on:
+            all_branches: true
+        - provider: releases
+          token: $GITHUB_TOKEN
+          skip_cleanup: true
+          file_glob: true
+          file: travis-release-upload/*
+          on:
+            tags: true
+    - <<: *release-artifacts
+      name: "Linux release artifacts"
+      os: linux
+      before_install:
+        - sudo apt-get install libssl-dev libudev-dev
+    - <<: *release-artifacts
+      name: "Windows release artifacts"
+      os: windows
+
+    # explorer pull request
+    - name: "explorer"
+      if: branch = master
+      if: type = pull
+      language: node_js
+      node_js:
+        - "node"
+
+      before_install:
+        - .travis/affects.sh ^explorer/ || travis_terminate 0
+        - cd explorer
+
+      script:
+        - npm run build
+        - npm run format
+
+    # web3.js pull request
+    - name: "web3.js"
+      if: branch = master
+      if: type = pull
+      language: node_js
+      node_js:
+        - "lts/*"
+
+      services:
+        - docker
+
+      cache:
+        directories:
+          - ~/.npm
+
+      before_install:
+        - .travis/affects.sh ^web3.js/ || travis_terminate 0
+        - cd explorer
+
+      script: echo todo

.travis/affects.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+#
+# Check if files in the commit range match a regex
+#
+
+(
+  set -x
+  git diff --name-only $TRAVIS_COMMIT_RANGE
+)
+
+for file in $(git diff --name-only $TRAVIS_COMMIT_RANGE); do
+  if [[ $file =~ ^"$1" ]]; then
+    exit 0
+  fi
+done
+
+echo "No modifications to $1"
+exit 1

.travis/export-github-repo.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+#
+# Exports a subdirectory into another github repository
+#
+
+set -e
+if [[ -z $GITHUB_TOKEN ]]; then
+  echo GITHUB_TOKEN not defined
+  exit 1
+fi
+
+cd "$(dirname "$0")/.."
+
+pip3 install git-filter-repo
+
+declare subdir=$1
+declare repo_name=$2
+
+[[ -n $subdir ]] || {
+  echo "Error: subdir not specified"
+  exit 1
+}
+[[ -n $repo_name ]] || {
+  echo "Error: repo_name not specified"
+  exit 1
+}
+
+.travis/affects.sh "^$subdir/" || exit 0
+echo "Exporting $subdir"
+
+set -x
+rm -rf .github_export/"$repo_name"
+git clone https://${GITHUB_TOKEN}@github.com/solana-labs/"$repo_name" .github_export/"$repo_name"
+
+# TODO: Try using `--refs $TRAVIS_COMMIT_RANGE` to speed up the filtering
+git filter-repo --subdirectory-filter "$subdir" --target .github_export/"$repo_name"
+
+git -C .github_export/"$repo_name" push https://${GITHUB_TOKEN}@github.com/solana-labs/"$repo_name"