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godoc: log errors when reading filter files

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R=r, r2
CC=golang-dev
https://golang.org/cl/4230042
This commit is contained in:
Robert Griesemer 2011-02-24 10:22:32 -08:00
parent 87fe958a49
commit 11bda7df47
1 changed files with 8 additions and 3 deletions
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11
src/cmd/godoc/godoc.go
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@ -148,8 +148,13 @@ func readDirList(filename string) ([]string, os.Error) {
}
// create a sorted list of valid directory names
filter := func(path string) bool {
d, err := os.Lstat(path)
return err == nil && isPkgDir(d)
d, e := os.Lstat(path)
if e != nil && err == nil {
// remember first error and return it from readDirList
// so we have at least some information if things go bad
err = e
}
return e == nil && isPkgDir(d)
}
list := canonicalizePaths(strings.Split(string(contents), "\n", -1), filter)
// for each parent path, remove all it's children q
@ -161,7 +166,7 @@ func readDirList(filename string) ([]string, os.Error) {
i++
}
}
return list[0:i], nil
return list[0:i], err
}