feat: use github variable

.github/workflows/lctt-article-badge.yml

@@ -6,16 +6,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    env:
-      TRAVIS_REPO_SLUG: ${{ github.repository }}
-      TRAVIS_BRANCH: master
-      TRAVIS_PULL_REQUEST: ${{ github.event.number }}
-      ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     steps:
-      - name: Set ENV variables
-        run: |
-          echo "::set-env name=TRAVIS_BRANCH::${TRAVIS_BRANCH:-$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')}" 
-          echo "::set-env name=TRAVIS_EVENT_TYPE::$(if [ "schedule" == "${{ github.event_name }}" ]; then echo "cron"; else echo "${{ github.event_name }}"; fi)"
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0

.github/workflows/lctt-article-checker.yml

@@ -7,15 +7,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     env:
-      TRAVIS_REPO_SLUG: ${{ github.repository }}
-      TRAVIS_BRANCH: master
-      TRAVIS_PULL_REQUEST: ${{ github.event.number }}
-      ACTIONS_ALLOW_UNSECURE_COMMANDS: true
+      PULL_REQUEST_ID: ${{ github.event.number }}
     steps:
-      - name: Set ENV variables
-        run: |
-          echo "::set-env name=TRAVIS_BRANCH::${TRAVIS_BRANCH:-$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')}" 
-          echo "::set-env name=TRAVIS_EVENT_TYPE::$(if [ "schedule" == "${{ github.event_name }}" ]; then echo "cron"; else echo "${{ github.event_name }}"; fi)"
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0

.github/workflows/lctt-article-status.yml

@@ -7,16 +7,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    env:
-      TRAVIS_REPO_SLUG: ${{ github.repository }}
-      TRAVIS_BRANCH: master
-      TRAVIS_PULL_REQUEST: ${{ github.event.number }}
-      ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     steps:
-      - name: Set ENV variables
-        run: |
-          echo "::set-env name=TRAVIS_BRANCH::${TRAVIS_BRANCH:-$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')}" 
-          echo "::set-env name=TRAVIS_EVENT_TYPE::$(if [ "schedule" == "${{ github.event_name }}" ]; then echo "cron"; else echo "${{ github.event_name }}"; fi)"
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0

scripts/check/collect.sh

@@ -11,11 +11,11 @@ set -e
 
 echo "[收集] 计算 PR 分支与目标分支的分叉点……"
 
-TARGET_BRANCH="${TRAVIS_BRANCH:-master}"
+TARGET_BRANCH="${GITHUB_BASE_REF:-master}"
 echo "[收集] 目标分支设定为：${TARGET_BRANCH}"
 
 MERGE_BASE='HEAD^'
-[ "$TRAVIS_PULL_REQUEST" != 'false' ] \
+[ "$PULL_REQUEST_ID" != 'false' ] \
     && MERGE_BASE="$(git merge-base "$TARGET_BRANCH" HEAD)"
 echo "[收集] 找到分叉节点：${MERGE_BASE}"