feat: add working-directory, defaults.run support

WORKFLOW_SUPPORT.md

@@ -21,7 +21,9 @@ syntax](https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for
   - [ ] jobs.<job_id>.concurrency
   - [ ] jobs.<job_id>.outputs
   - [ ] jobs.<job_id>.env
-  - [ ] jobs.<job_id>.defaults
+  - [x] jobs.<job_id>.defaults
+    - [ ] jobs.<job_id>.run.shell
+    - [x] jobs.<job_id>.run.working-directory
   - [ ] jobs.<job_id>.timeout-minutes
   - [ ] jobs.<job_id>.strategy
   - [ ] jobs.<job_id>.container
@@ -37,7 +39,7 @@ syntax](https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for
     - [ ] jobs.<job_id>.steps[*].name
     - [ ] jobs.<job_id>.steps[*].uses
     - [x] jobs.<job_id>.steps[*].run
-    - [ ] jobs.<job_id>.steps[*].working-directory
+    - [x] jobs.<job_id>.steps[*].working-directory
     - [ ] jobs.<job_id>.steps[*].shell
     - [ ] jobs.<job_id>.steps[*].with
     - [ ] jobs.<job_id>.steps[*].env

internal/runner/driver.go

@@ -8,7 +8,7 @@ type ContainerDriver interface {
 	Pull(string) error
 	Start(string, string) error
 	Stop(string) error
-	Exec(string, string) CommandResult
+	Exec(containerId string, command string, cwd string) CommandResult
 }
 
 // Represents the outcome of a command call made by the driver.

internal/runner/podman_driver.go

@@ -79,8 +79,8 @@ func (d PodmanDriver) Stop(containerName string) error {
 	return nil
 }
 
-func (d PodmanDriver) Exec(containerId string, command string) CommandResult {
-	cmd := exec.Command("podman", "exec", containerId, "bash", "-c", command)
+func (d PodmanDriver) Exec(containerId string, command string, cwd string) CommandResult {
+	cmd := exec.Command("podman", "exec", "--workdir", cwd, containerId, "bash", "-c", command)
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
 

internal/runner/runner.go

@@ -52,8 +52,8 @@ func (r *Runner) RunWorkflow(workflow workflow.Workflow) TaskTracker {
 			jobContext := context.WithValue(workflowContext, "currentJob", job)
 			jobContext = context.WithValue(jobContext, "runnerImageUri", runnerImage)
 
-            // Runs a given job (provided a runner to run it on, its context, a task tracker for progress monitoring and
-            // a WaitGroup to coordinate concurrent tasks) and updates the tracker with results.
+			// Runs a given job (provided a runner to run it on, its context, a task tracker for progress monitoring and
+			// a WaitGroup to coordinate concurrent tasks) and updates the tracker with results.
 			runJob := func(runner *Runner, jobContext context.Context, jobTracker *TaskTracker, jobWaitGroup *sync.WaitGroup) {
 				defer jobWaitGroup.Done()
 				jobTracker.SetStatus("started")
@@ -92,8 +92,8 @@ func (r *Runner) RunWorkflow(workflow workflow.Workflow) TaskTracker {
 //
 // If the command raises an error while in the container or fails to run
 // the command at all, an error is returned, otherwise nil.
-func (r *Runner) RunCommandInContainer(containerId string, command string) error {
-	result := r.Driver.Exec(containerId, command)
+func (r *Runner) RunCommandInContainer(containerId string, command string, stepCwd string) error {
+	result := r.Driver.Exec(containerId, command, stepCwd)
 
 	if result.Error != nil {
 		return result.Error
@@ -121,12 +121,13 @@ func (r *Runner) RunJobInContainer(imageUri string, containerId string, jobConte
 
 	logger.Info("Started %s", containerId)
 	for stepIndex, step := range job.Steps {
+		stepCwd := jobContext.Value("workflow").(workflow.Workflow).GetWorkingDirectory(job.Name, stepIndex)
 		logger.Info("Run: %s", step.Run)
-		logger.Info("Using working directory %s", jobContext.Value("workflow").(workflow.Workflow).GetWorkingDirectory(job.Name, stepIndex))
+		logger.Info("Using working directory %s", stepCwd)
 		var stepError error
 
 		if step.Run != "" {
-			stepError = r.RunCommandInContainer(containerId, step.Run)
+			stepError = r.RunCommandInContainer(containerId, step.Run, stepCwd)
 		}
 
 		if stepError != nil {

internal/runner/runner_flow_test.go

@@ -59,11 +59,11 @@ func (d *MockDriver) Stop(uri string) error {
 
 }
 
-func (d *MockDriver) Exec(containerName string, command string) CommandResult {
+func (d *MockDriver) Exec(containerName string, command string, cwd string) CommandResult {
 	if _, init := d.calls["Exec"]; !init {
 		d.calls["Exec"] = []MockCall{}
 	}
-	d.calls["Exec"] = append(d.calls["Exec"], MockCall{fname: "Exec", args: []string{containerName, command}})
+	d.calls["Exec"] = append(d.calls["Exec"], MockCall{fname: "Exec", args: []string{containerName, command, cwd}})
 
 	if d.mockResult != nil {
 		return *d.mockResult
@@ -80,7 +80,7 @@ func TestRunnerRunCommandInContainerReturnsErrorFromDriver(t *testing.T) {
 		Driver: &mockDriver,
 	}
 
-	err := runner.RunCommandInContainer("test-container", "test-command")
+	err := runner.RunCommandInContainer("test-container", "test-command", ".")
 
 	if err == nil {
 		t.Errorf("Expected error, got nil.")
@@ -95,7 +95,7 @@ func TestRunnerRunCommandInContainerReturnsErrorIfCommandExitCodeNonzero(t *test
 		Driver: &mockDriver,
 	}
 
-	err := runner.RunCommandInContainer("test-container", "test-command")
+	err := runner.RunCommandInContainer("test-container", "test-command", ".")
 
 	if err == nil {
 		t.Errorf("Expected error, got nil.")