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cmd/godoc: better error message for missing index files

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Fixes #5024.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8222045
This commit is contained in:
Robert Griesemer 2013-04-01 15:15:02 -07:00
parent 119189c459
commit a23dd4fe4e
1 changed files with 2 additions and 0 deletions
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2
src/cmd/godoc/godoc.go
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@ -1517,6 +1517,8 @@ func readIndex(filenames string) error {
matches, err := filepath.Glob(filenames) matches, err := filepath.Glob(filenames)
if err != nil { if err != nil {
return err return err
} else if matches == nil {
return fmt.Errorf("no index files match %q", filenames)
} }
sort.Strings(matches) // make sure files are in the right order sort.Strings(matches) // make sure files are in the right order
files := make([]io.Reader, 0, len(matches)) files := make([]io.Reader, 0, len(matches))