Specify a workdir for opencode

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

Author: mudler

README.md

@@ -1187,6 +1187,7 @@ An MCP server for controlling opencode AI sessions asynchronously. Start session
 - `OPENCODE_AGENT` - Agent to use for sessions
 - `OPENCODE_SHARE` - Share sessions: `true` or `false` (default: `false`)
 - `OPENCODE_VARIANT` - Model variant for provider-specific reasoning effort
+- `OPENCODE_WORKDIR` - Directory where opencode starts (default: `/root`)
 
 **Start Session Example:**
 ```json

opencode/main.go

@@ -29,10 +29,10 @@ type Session struct {
 
 // SessionManager manages all opencode sessions
 type SessionManager struct {
-	sessions    map[string]*Session
-	mutex       sync.RWMutex
-	sessionDir  string
-	maxSessions int
+	sessions            map[string]*Session
+	mutex               sync.RWMutex
+	sessionDir, workDir string
+	maxSessions         int
 }
 
 // Global session manager
@@ -60,6 +60,7 @@ func main() {
 	// Initialize session manager
 	sessionDir := getEnv("OPENCODE_SESSION_DIR", "/tmp/opencode-sessions")
 	maxSessions := getEnvInt("OPENCODE_MAX_SESSIONS", 10)
+	workDir := getEnv("OPENCODE_WORK_DIR", "/root")
 
 	// Ensure session directory exists
 	if err := os.MkdirAll(sessionDir, 0755); err != nil {
@@ -69,6 +70,7 @@ func main() {
 	globalSessionManager = &SessionManager{
 		sessions:    make(map[string]*Session),
 		sessionDir:  sessionDir,
+		workDir:     workDir,
 		maxSessions: maxSessions,
 	}
 

opencode/session.go

@@ -96,7 +96,7 @@ func (sm *SessionManager) CreateSession(message, title, sessionID string, files
 		processmanager.WithName(opencodeBinary),
 		processmanager.WithArgs(args...),
 		processmanager.WithStateDir(sessionDir),
-		processmanager.WithWorkDir(sessionDir),
+		processmanager.WithWorkDir(sm.workDir),
 		processmanager.WithEnvironment(os.Environ()...),
 	)