Added PlanFilesJsonRelativePath

Author: denis256

internal/runner/common/unit.go

@@ -99,7 +99,18 @@ func (unit *Unit) getPlanFilePath(l log.Logger, opts *options.TerragruntOptions,
 	dir := filepath.Join(outputFolder, path)
 
 	if !filepath.IsAbs(dir) {
-		dir = filepath.Join(opts.WorkingDir, dir)
+		// Resolve relative output folder against root working directory, not the unit working directory
+		// so that artifacts for all units are stored under a single root-level out dir structure.
+		base := opts.RootWorkingDir
+		if !filepath.IsAbs(base) {
+			// In case RootWorkingDir is somehow relative, resolve it first.
+			if absBase, err := filepath.Abs(base); err == nil {
+				base = absBase
+			} else {
+				l.Warnf("Failed to get absolute path for root working dir %s: %v", base, err)
+			}
+		}
+		dir = filepath.Join(base, dir)
 		if absDir, err := filepath.Abs(dir); err == nil {
 			dir = absDir
 		} else {