godoc: don't hide package lookup error if there's no command with the same name

Fixes #1514.

R=r, r2
CC=golang-dev
https://golang.org/cl/4173050
This commit is contained in:
Robert Griesemer 2011-02-14 17:41:47 -08:00
parent 34dd450fb8
commit e6ee0d2492
2 changed files with 13 additions and 2 deletions

View File

@ -896,6 +896,11 @@ type PageInfo struct {
}
func (info *PageInfo) IsEmpty() bool {
return info.Err != nil || info.PAst == nil && info.PDoc == nil && info.Dirs == nil
}
type httpHandler struct {
pattern string // url pattern; e.g. "/pkg/"
fsRoot string // file system root to which the pattern is mapped

View File

@ -217,6 +217,7 @@ func makeRx(names []string) (rx *regexp.Regexp) {
return
}
func main() {
flag.Usage = usage
flag.Parse()
@ -336,12 +337,17 @@ func main() {
// if there are multiple packages in a directory.
info := pkgHandler.getPageInfo(abspath, relpath, "", mode)
if info.Err != nil || info.PAst == nil && info.PDoc == nil && info.Dirs == nil {
if info.IsEmpty() {
// try again, this time assume it's a command
if !pathutil.IsAbs(path) {
abspath = absolutePath(path, cmdHandler.fsRoot)
}
info = cmdHandler.getPageInfo(abspath, relpath, "", mode)
cmdInfo := cmdHandler.getPageInfo(abspath, relpath, "", mode)
// only use the cmdInfo if it actually contains a result
// (don't hide errors reported from looking up a package)
if !cmdInfo.IsEmpty() {
info = cmdInfo
}
}
if info.Err != nil {
log.Fatalf("%v", info.Err)