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// Copyright 2017 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 base
import (
"os"
"path/filepath"
"strings"
)
func getwd() string {
wd, err := os.Getwd()
if err != nil {
Fatalf("cannot determine current directory: %v", err)
}
return wd
}
var Cwd = getwd()
// ShortPath returns an absolute or relative name for path, whatever is shorter.
func ShortPath(path string) string {
if rel, err := filepath.Rel(Cwd, path); err == nil && len(rel) < len(path) {
return rel
}
return path
}
// RelPaths returns a copy of paths with absolute paths
// made relative to the current directory if they would be shorter.
func RelPaths(paths []string) []string {
var out []string
// TODO(rsc): Can this use Cwd from above?
pwd, _ := os.Getwd()
for _, p := range paths {
rel, err := filepath.Rel(pwd, p)
if err == nil && len(rel) < len(p) {
p = rel
}
out = append(out, p)
}
return out
}
// IsTestFile reports whether the source file is a set of tests and should therefore
// be excluded from coverage analysis.
func IsTestFile(file string) bool {
// We don't cover tests, only the code they test.
return strings.HasSuffix(file, "_test.go")
}
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