Implement CommitService.CommitLanguages

1 files changed, 39 insertions, 0 deletions

diff --git a/internal/supervisor/supervisor.go b/internal/supervisor/supervisor.go
new file mode 100644
index 000000000..4f9bba63e
--- /dev/null
+++ b/internal/supervisor/supervisor.go
@@ -0,0 +1,39 @@
+package supervisor
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+)
+
+// Process represents a running process.
+type Process struct {
+	cmd *exec.Cmd
+}
+
+// New creates a new proces instance.
+func New(env []string, args []string, dir string) (*Process, error) {
+	if len(args) < 1 {
+		return nil, fmt.Errorf("need at least one argument")
+	}
+
+	cmd := exec.Command(args[0], args[1:]...)
+	cmd.Env = env
+	cmd.Dir = dir
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	// TODO: spawn goroutine that watches (restarts) this process.
+	return &Process{cmd: cmd}, cmd.Start()
+}
+
+// Stop terminates the process.
+func (p *Process) Stop() {
+	if p == nil || p.cmd == nil || p.cmd.Process == nil {
+		return
+	}
+
+	process := p.cmd.Process
+	process.Kill()
+	process.Wait()
+}