1 files changed, 77 insertions, 0 deletions
diff --git a/vendor/golang.org/x/tools/imports/forward.go b/vendor/golang.org/x/tools/imports/forward.go
new file mode 100644
index 000000000..cb6db8893
--- /dev/null
+++ b/vendor/golang.org/x/tools/imports/forward.go
@@ -0,0 +1,77 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package imports implements a Go pretty-printer (like package "go/format")
+// that also adds or removes import statements as necessary.
+package imports // import "golang.org/x/tools/imports"
+
+import (
+	"log"
+	"os"
+
+	"golang.org/x/tools/internal/gocommand"
+	intimp "golang.org/x/tools/internal/imports"
+)
+
+// Options specifies options for processing files.
+type Options struct {
+	Fragment  bool // Accept fragment of a source file (no package statement)
+	AllErrors bool // Report all errors (not just the first 10 on different lines)
+
+	Comments  bool // Print comments (true if nil *Options provided)
+	TabIndent bool // Use tabs for indent (true if nil *Options provided)
+	TabWidth  int  // Tab width (8 if nil *Options provided)
+
+	FormatOnly bool // Disable the insertion and deletion of imports
+}
+
+// Debug controls verbose logging.
+var Debug = false
+
+// LocalPrefix is a comma-separated string of import path prefixes, which, if
+// set, instructs Process to sort the import paths with the given prefixes
+// into another group after 3rd-party packages.
+var LocalPrefix string
+
+// Process formats and adjusts imports for the provided file.
+// If opt is nil the defaults are used, and if src is nil the source
+// is read from the filesystem.
+//
+// Note that filename's directory influences which imports can be chosen,
+// so it is important that filename be accurate.
+// To process data “as if” it were in filename, pass the data as a non-nil src.
+func Process(filename string, src []byte, opt *Options) ([]byte, error) {
+	var err error
+	if src == nil {
+		src, err = os.ReadFile(filename)
+		if err != nil {
+			return nil, err
+		}
+	}
+	if opt == nil {
+		opt = &Options{Comments: true, TabIndent: true, TabWidth: 8}
+	}
+	intopt := &intimp.Options{
+		Env: &intimp.ProcessEnv{
+			GocmdRunner: &gocommand.Runner{},
+		},
+		LocalPrefix: LocalPrefix,
+		AllErrors:   opt.AllErrors,
+		Comments:    opt.Comments,
+		FormatOnly:  opt.FormatOnly,
+		Fragment:    opt.Fragment,
+		TabIndent:   opt.TabIndent,
+		TabWidth:    opt.TabWidth,
+	}
+	if Debug {
+		intopt.Env.Logf = log.Printf
+	}
+	return intimp.Process(filename, src, intopt)
+}
+
+// VendorlessPath returns the devendorized version of the import path ipath.
+// For example, VendorlessPath("foo/bar/vendor/a/b") returns "a/b".
+func VendorlessPath(ipath string) string {
+	return intimp.VendorlessPath(ipath)
+}