Rename packages

internal/config/executable.go

@@ -0,0 +1,33 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/FAU-CDI/wisski-distillery/internal/core"
+	"github.com/FAU-CDI/wisski-distillery/pkg/fsx"
+)
+
+// ExecutablePath returns the path to the executable of this distillery.
+func (cfg Config) ExecutablePath() string {
+	return filepath.Join(cfg.DeployRoot, core.Executable)
+}
+
+// UsingDistilleryExecutable checks if the current process is using the distillery executable
+func (cfg Config) UsingDistilleryExecutable() bool {
+	exe, err := os.Executable()
+	if err != nil {
+		return false
+	}
+	return fsx.SameFile(exe, cfg.ExecutablePath())
+}
+
+// CurrentExecutable returns the path to the current executable being used.
+// When it does not exist, falls back to the default executable.
+func (cfg Config) CurrentExecutable() string {
+	exe, err := os.Executable()
+	if err != nil || !fsx.IsFile(exe) {
+		return cfg.ExecutablePath()
+	}
+	return exe
+}