// (unless ExplicitWriteGoMod is set) or by calling WriteGoMod directly.
//
// As a side-effect, LoadModFile may change cfg.BuildMod to "vendor" if
// -mod wasn't set explicitly and automatic vendoring should be enabled.
//
// If LoadModFile or CreateModFile has already been called, LoadModFile returns
// the existing in-memory requirements (rather than re-reading them from disk).
//

// Graph method.
//
// The rootModules slice must be sorted according to gover.ModSort.
// The caller must not modify the rootModules slice or direct map after passing
// them to newRequirements.
//
// If vendoring is in effect, the caller must invoke initVendor on the returned
// *Requirements before any other method.
func newRequirements(pruning modPruning, rootModules []module.Version, direct map[string]bool) *Requirements {

			}
		}

		// If the source directory is in GOROOT, then the in-process code works fine
		// and we should keep using it. Moreover, the 'go list' approach below doesn't
		// take standard-library vendoring into account and will fail.
		if _, ok := ctxt.hasSubdir(filepath.Join(ctxt.GOROOT, "src"), absSrcDir); ok {
			return errNoModules
		}
	}