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|
// +build !windows
package parser
import (
"fmt"
"os"
"path"
"strings"
)
func getPkgPath(fname string, isDir bool) (string, error) {
if !path.IsAbs(fname) {
pwd, err := os.Getwd()
if err != nil {
return "", err
}
fname = path.Join(pwd, fname)
}
gopath := os.Getenv("GOPATH")
if gopath == "" {
var err error
gopath, err = getDefaultGoPath()
if err != nil {
return "", fmt.Errorf("cannot determine GOPATH: %s", err)
}
}
for _, p := range strings.Split(os.Getenv("GOPATH"), ":") {
prefix := path.Join(p, "src") + "/"
if rel := strings.TrimPrefix(fname, prefix); rel != fname {
if !isDir {
return path.Dir(rel), nil
} else {
return path.Clean(rel), nil
}
}
}
return "", fmt.Errorf("file '%v' is not in GOPATH", fname)
}
|
