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Add temporary solution to avoid a panic #630

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May 23, 2017
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Add temporary solution to avoid a panic #630

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10 changes: 9 additions & 1 deletion internal/gps/pkgtree/pkgtree.go
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Original file line number Diff line number Diff line change
Expand Up @@ -626,7 +626,15 @@ func wmToReach(workmap map[string]wm, backprop bool) (ReachMap, map[string]*Prob
// that was already completed (black), we don't have to defend against
// an empty path here.

fromErr := errmap[from]
fromErr, exists := errmap[from]
// FIXME: It should not be possible for fromErr to not exist,
// See issue https://github.com/golang/dep/issues/351
// This is a temporary solution to avoid a panic.
if !exists {
fromErr = &ProblemImportError{
Err: fmt.Errorf("unknown error for %q, if you get this error see https://github.com/golang/dep/issues/351", from),
}
}
err := &ProblemImportError{
Err: fromErr.Err,
Cause: make([]string, 0, len(path)+len(fromErr.Cause)+1),
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