ci: sync workflows from main branch (#6730)

.github/workflows/go.yml

@@ -6,9 +6,15 @@ on:
       - 'release/**'
     paths:
       - '**.go'
+      - 'go.mod'
+      - '.golangci.yml'
+      - '.github/workflows/go.yml'
   pull_request:
     paths:
       - '**.go'
+      - 'go.mod'
+      - '.golangci.yml'
+      - '.github/workflows/go.yml'
 env:
   GOPROXY: "https://proxy.golang.org"
 
@@ -17,37 +23,48 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - name: Checkout code
+        uses: actions/checkout@v2
       - name: Run golangci-lint
-        uses: actions-contrib/golangci-lint@v1
+        uses: golangci/golangci-lint-action@v2
         with:
-          args: 'run --timeout=30m'
+          version: latest
+          args: --timeout=30m
 
   test:
     name: Test
     strategy:
       matrix:
-        go-version: [1.14.x, 1.15.x]
-        platform: [ubuntu-latest, macos-latest, windows-latest]
+        go-version: [ 1.14.x, 1.15.x, 1.16.x, 1.17.x ]
+        platform: [ ubuntu-latest, macos-latest, windows-latest ]
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Install Go
-        uses: actions/setup-go@v1
+        uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.go-version }}
       - name: Checkout code
         uses: actions/checkout@v2
-      - name: Run unit tests
+      - name: Run tests with coverage
         run: go test -v -race -coverprofile=coverage -covermode=atomic ./...
       - name: Upload coverage report to Codecov
-        uses: codecov/codecov-action@v1.0.6
+        uses: codecov/codecov-action@v1.5.0
         with:
           file: ./coverage
           flags: unittests
-      - name: Cache downloaded modules
-        uses: actions/cache@v1
+      - name: Send email on failure
+        uses: dawidd6/action-send-mail@v3
+        if: ${{ failure() && github.event_name == 'push' && github.ref == 'refs/heads/main' }}
         with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          server_address: smtp.mailgun.org
+          server_port: 465
+          username: ${{ secrets.SMTP_USERNAME }}
+          password: ${{ secrets.SMTP_PASSWORD }}
+          subject: GitHub Actions (${{ github.repository }}) job result
+          to: github-actions-8ce6454@unknwon.io
+          from: GitHub Actions (${{ github.repository }})
+          reply_to: noreply@unknwon.io
+          body: |
+            The job "${{ github.job }}" of ${{ github.server_url }}/${{ github.repository }}/commit/${{ github.sha }} completed with "${{ job.status }}".
+
+            View the job run at: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}

.github/workflows/lsif.yml

@@ -1,11 +1,19 @@
 name: LSIF
-on: [push]
+on:
+  push:
+    paths:
+      - '**.go'
+      - 'go.mod'
+      - '.github/workflows/lsif.yml'
+env:
+  GOPROXY: "https://proxy.golang.org"
+
 jobs:
   lsif-go:
     if: github.repository == 'gogs/gogs'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Generate LSIF data
         uses: sourcegraph/lsif-go-action@master
       - name: Upload LSIF data to sourcegraph.com

.github/workflows/shell.yml

@@ -1,13 +1,14 @@
 name: Shell
 on:
   push:
-    branches: [master]
+    branches: [ main ]
   pull_request:
+
 jobs:
   shellcheck:
     name: Shellcheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v2
       - name: Run ShellCheck
         uses: ludeeus/action-shellcheck@master