Interpolate job name with matrix (#106)

Fix https://github.com/go-gitea/gitea/issues/28207

Reviewed-on: https://gitea.com/gitea/act/pulls/106
Reviewed-by: Jason Song <i@wolfogre.com>
Co-authored-by: Zettat123 <zettat123@gmail.com>
Co-committed-by: Zettat123 <zettat123@gmail.com>

pkg/jobparser/jobparser.go

@@ -51,9 +51,9 @@ func Parse(content []byte, options ...ParseOption) ([]*SingleWorkflow, error) {
 			if job.Name == "" {
 				job.Name = id
 			}
-			job.Name = nameWithMatrix(job.Name, matrix)
 			job.Strategy.RawMatrix = encodeMatrix(matrix)
 			evaluator := NewExpressionEvaluator(NewInterpeter(id, origin.GetJob(id), matrix, pc.gitContext, results, pc.vars))
+			job.Name = nameWithMatrix(job.Name, matrix, evaluator)
 			runsOn := origin.GetJob(id).RunsOn()
 			for i, v := range runsOn {
 				runsOn[i] = evaluator.Interpolate(v)
@@ -134,12 +134,16 @@ func encodeRunsOn(runsOn []string) yaml.Node {
 	return node
 }
 
-func nameWithMatrix(name string, m map[string]interface{}) string {
+func nameWithMatrix(name string, m map[string]interface{}, evaluator *ExpressionEvaluator) string {
 	if len(m) == 0 {
 		return name
 	}
 
-	return name + " " + matrixName(m)
+	if !strings.Contains(name, "${{") || !strings.Contains(name, "}}") {
+		return name + " " + matrixName(m)
+	}
+
+	return evaluator.Interpolate(name)
 }
 
 func matrixName(m map[string]interface{}) string {

pkg/jobparser/jobparser_test.go

@@ -47,6 +47,11 @@ func TestParse(t *testing.T) {
 			options: nil,
 			wantErr: false,
 		},
+		{
+			name:    "job_name_with_matrix",
+			options: nil,
+			wantErr: false,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

pkg/jobparser/testdata/job_name_with_matrix.in.yaml

@@ -0,0 +1,14 @@
+name: test
+jobs:
+  job1:
+    strategy:
+      matrix:
+        os: [ubuntu-22.04, ubuntu-20.04]
+        version: [1.17, 1.18, 1.19]
+    runs-on: ${{ matrix.os }}
+    name: test_version_${{ matrix.version }}_on_${{ matrix.os }}
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.version }}
+      - run: uname -a && go version

pkg/jobparser/testdata/job_name_with_matrix.out.yaml

@@ -0,0 +1,101 @@
+name: test
+jobs:
+  job1:
+    name: test_version_1.17_on_ubuntu-20.04
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.version }}
+      - run: uname -a && go version
+    strategy:
+      matrix:
+        os:
+          - ubuntu-20.04
+        version:
+          - 1.17
+---
+name: test
+jobs:
+  job1:
+    name: test_version_1.18_on_ubuntu-20.04
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.version }}
+      - run: uname -a && go version
+    strategy:
+      matrix:
+        os:
+          - ubuntu-20.04
+        version:
+          - 1.18
+---
+name: test
+jobs:
+  job1:
+    name: test_version_1.19_on_ubuntu-20.04
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.version }}
+      - run: uname -a && go version
+    strategy:
+      matrix:
+        os:
+          - ubuntu-20.04
+        version:
+          - 1.19
+---
+name: test
+jobs:
+  job1:
+    name: test_version_1.17_on_ubuntu-22.04
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.version }}
+      - run: uname -a && go version
+    strategy:
+      matrix:
+        os:
+          - ubuntu-22.04
+        version:
+          - 1.17
+---
+name: test
+jobs:
+  job1:
+    name: test_version_1.18_on_ubuntu-22.04
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.version }}
+      - run: uname -a && go version
+    strategy:
+      matrix:
+        os:
+          - ubuntu-22.04
+        version:
+          - 1.18
+---
+name: test
+jobs:
+  job1:
+    name: test_version_1.19_on_ubuntu-22.04
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.version }}
+      - run: uname -a && go version
+    strategy:
+      matrix:
+        os:
+          - ubuntu-22.04
+        version:
+          - 1.19