Add self-contained gometalinter build tooling.

tools/vendor/github.com/kisielk/gotool/tool.go

@@ -0,0 +1,48 @@
+// Package gotool contains utility functions used to implement the standard
+// "cmd/go" tool, provided as a convenience to developers who want to write
+// tools with similar semantics.
+package gotool
+
+import "go/build"
+
+// Export functions here to make it easier to keep the implementations up to date with upstream.
+
+// DefaultContext is the default context that uses build.Default.
+var DefaultContext = Context{
+	BuildContext: build.Default,
+}
+
+// A Context specifies the supporting context.
+type Context struct {
+	// BuildContext is the build.Context that is used when computing import paths.
+	BuildContext build.Context
+}
+
+// ImportPaths returns the import paths to use for the given command line.
+//
+// The path "all" is expanded to all packages in $GOPATH and $GOROOT.
+// The path "std" is expanded to all packages in the Go standard library.
+// The path "cmd" is expanded to all Go standard commands.
+// The string "..." is treated as a wildcard within a path.
+// When matching recursively, directories are ignored if they are prefixed with
+// a dot or an underscore (such as ".foo" or "_foo"), or are named "testdata".
+// Relative import paths are not converted to full import paths.
+// If args is empty, a single element "." is returned.
+func (c *Context) ImportPaths(args []string) []string {
+	return c.importPaths(args)
+}
+
+// ImportPaths returns the import paths to use for the given command line
+// using default context.
+//
+// The path "all" is expanded to all packages in $GOPATH and $GOROOT.
+// The path "std" is expanded to all packages in the Go standard library.
+// The path "cmd" is expanded to all Go standard commands.
+// The string "..." is treated as a wildcard within a path.
+// When matching recursively, directories are ignored if they are prefixed with
+// a dot or an underscore (such as ".foo" or "_foo"), or are named "testdata".
+// Relative import paths are not converted to full import paths.
+// If args is empty, a single element "." is returned.
+func ImportPaths(args []string) []string {
+	return DefaultContext.importPaths(args)
+}