m-lamonaca/json-to-env
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fix errors for missing input or output

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Marcello 2024-02-14 23:35:01 +01:00
parent 33aec78b16
commit 5b6736b1fd
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1 changed files with 7 additions and 5 deletions
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12
src/main.rs
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@ -22,13 +22,14 @@ fn main() -> Result<()> {
};
let mut buffer = String::new();
let filename = args.input.unwrap_or("STDIN".to_string());
let input = args.input.unwrap_or("STDIN".to_string());
reader
.read_to_string(&mut buffer)
.with_context(|| format!("Could not read `{filename}`"))?;
.with_context(|| format!("Could not read `{input}`"))?;
let json: Value = serde_json::from_str(&buffer)
.with_context(|| format!("`{filename}` does not contain valid JSON"))?;
.with_context(|| format!("`{input}` does not contain valid JSON"))?;
let mut vars: Vec<EnvVar> = vec![];
let separator = args.separator.unwrap_or("__".to_string());
@ -36,7 +37,7 @@ fn main() -> Result<()> {
let environ = vars
.iter()
.map(|v| v.to_string())
.map(ToString::to_string)
.collect::<Vec<String>>()
.join("\n");
@ -50,9 +51,10 @@ fn main() -> Result<()> {
None => Box::new(std::io::stdout()),
};
let output = args.output.unwrap_or("STDOUT".to_string());
writer
.write_all(environ.as_bytes())
.with_context(|| "".to_string())?;
.with_context(|| format!("Could not write to `{output}`"))?;
Ok(())
}