Create main.yml

.github/workflows/main.yml

@@ -0,0 +1,98 @@
+name: Run Tests
+
+on:
+  push:
+    branches:
+      - master
+      - v1
+  pull_request:
+    branches:
+      - master
+      - v1
+
+jobs:
+
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        go: [1.13, 1.14, 1.15]
+    name: ${{ matrix.os }} @ Go ${{ matrix.go }}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Set up Go ${{ matrix.go }}
+        uses: actions/setup-go@v1
+        with:
+          go-version: ${{ matrix.go }}
+
+      - name: Set GOPATH, PATH and ENV
+        run: |
+          echo "GOPATH=$(dirname $GITHUB_WORKSPACE)" >> $GITHUB_ENV
+          echo "GO111MODULE=on" >> $GITHUB_ENV
+          echo "GOPROXY=https://proxy.golang.org" >> $GITHUB_ENV
+          echo "$(dirname $GITHUB_WORKSPACE)/bin" >> $GITHUB_PATH
+        shell: bash
+
+      - name: Checkout Code
+        uses: actions/checkout@v1
+        with:
+          ref: ${{ github.ref }}
+
+      - name: GOFMT Check
+        if: matrix.go == 1.15 && matrix.os == 'ubuntu-latest'
+        run: test -z $(gofmt -l .)
+
+      - name: vet
+        run: go run internal/build/build.go vet
+
+      - name: test
+        run: go run internal/build/build.go test
+
+      - name: check-binary-size
+        run: go run internal/build/build.go check-binary-size
+
+  test-docs:
+    name: test-docs
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go 1.15
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.15
+
+      - name: Use Node.js 12.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+
+      - name: Set GOPATH, PATH and ENV
+        run: |
+          echo "GOPATH=$(dirname $GITHUB_WORKSPACE)" >> $GITHUB_ENV
+          echo "GO111MODULE=on" >> $GITHUB_ENV
+          echo "GOPROXY=https://proxy.golang.org" >> $GITHUB_ENV
+          echo "$(dirname $GITHUB_WORKSPACE)/bin" >> $GITHUB_PATH
+        shell: bash
+
+      - name: Checkout Code
+        uses: actions/checkout@v1
+        with:
+          ref: ${{ github.ref }}
+
+      - name: Install Dependencies
+        run: |
+          mkdir -p $GOPATH/bin
+          curl -L -o $GOPATH/bin/gfmrun "https://github.com/urfave/gfmrun/releases/download/v1.2.14/gfmrun-$(go env GOOS)-amd64-v1.2.14"
+          chmod +x $GOPATH/bin/gfmrun
+          npm install -g [email protected]
+
+      - name: Run Tests (v1)
+        if: contains(github.base_ref, 'v1')
+        run: |
+          go run internal/build/build.go gfmrun docs/v1/manual.md
+          go run internal/build/build.go toc docs/v1/manual.md
+
+      - name: Run Tests (v2)
+        if: contains(github.base_ref, 'master')
+        run: |
+          go run internal/build/build.go gfmrun docs/v2/manual.md
+          go run internal/build/build.go toc docs/v2/manual.md

context.go

@@ -108,7 +108,10 @@ func (c *Context) Lineage() []*Context {
 
 // Value returns the value of the flag corresponding to `name`
 func (c *Context) Value(name string) interface{} {
-	return c.flagSet.Lookup(name).Value.(flag.Getter).Get()
+	if fs := lookupFlagSet(name, c); fs != nil {
+		return fs.Lookup(name).Value.(flag.Getter).Get()
+	}
+	return nil
 }
 
 // Args returns the command line arguments associated with the context.

context_test.go

@@ -136,6 +136,17 @@ func TestContext_Bool(t *testing.T) {
 	expect(t, c.Bool("top-flag"), true)
 }
 
+func TestContext_Value(t *testing.T) {
+	set := flag.NewFlagSet("test", 0)
+	set.Int("myflag", 12, "doc")
+	parentSet := flag.NewFlagSet("test", 0)
+	parentSet.Int("top-flag", 13, "doc")
+	parentCtx := NewContext(nil, parentSet, nil)
+	c := NewContext(nil, set, parentCtx)
+	expect(t, c.Value("myflag"), 12)
+	expect(t, c.Value("top-flag"), 13)
+}
+
 func TestContext_Args(t *testing.T) {
 	set := flag.NewFlagSet("test", 0)
 	set.Bool("myflag", false, "doc")