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Show failed command and its output. #182

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Show failed command and its output. #182

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Show failed command and its output. 
Not the cleanest way to show the command being used, but at least this
way we capture any output it produces and show it to the user to give
them a clue about what they can do.
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@EliRibble
EliRibble committed Dec 28, 2024
commit 9ee337a22defeb3cec524879c74b1d12f1d793f6
6 changes: 5 additions & 1 deletion internal/generate/generate.go
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,11 @@ func common(directory string) ([]*goModDownload, map[string]string, error) {
cmd.Dir = directory
stdout, err := cmd.Output()
if err != nil {
return nil, nil, err
if exiterr, ok := err.(*exec.ExitError); ok {
return nil, nil, fmt.Errorf("Failed to run 'go mod download --json: %s\n%s", exiterr, exiterr.Stderr)
} else {
return nil, nil, fmt.Errorf("Failed to run 'go mod download --json': %s", err)
}
}

dec := json.NewDecoder(bytes.NewReader(stdout))
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