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Simplify json production and append to archive

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Per github review.
This commit is contained in:
David Kellum 2018-08-16 12:33:32 -07:00
parent ab7877205f
commit d64c1687d9
1 changed files with 4 additions and 6 deletions
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10
src/cargo/ops/cargo_package.rs
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@ -1,6 +1,6 @@
use std::fs::{self, File};
use std::io::{Cursor, SeekFrom, Write};
use std::io::prelude::*;
use std::io::SeekFrom;
use std::path::{self, Path, PathBuf};
use std::sync::Arc;
@ -370,16 +370,14 @@ fn tar(
header.set_path(&path).chain_err(|| {
format!("failed to add to archive: `{}`", fnd)
})?;
let mut buff = Cursor::new(Vec::with_capacity(256));
writeln!(buff, "{}", serde_json::to_string_pretty(json)?)?;
let json = format!("{}\n", serde_json::to_string_pretty(json)?);
let mut header = Header::new_ustar();
header.set_path(&path)?;
header.set_entry_type(EntryType::file());
header.set_mode(0o644);
header.set_size(buff.position() as u64);
header.set_size(json.len() as u64);
header.set_cksum();
buff.seek(SeekFrom::Start(0))?;
ar.append(&header, &mut buff).chain_err(|| {
ar.append(&header, json.as_bytes()).chain_err(|| {
internal(format!("could not archive source file `{}`", fnd))
})?;
}