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Preserve existing .gitignore file in out directory #985

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Preserve existing .gitignore file in out directory #985

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18 changes: 16 additions & 2 deletions src/command/utils.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@

use failure;
use std::fs;
use std::fs::OpenOptions;
use std::io::{ErrorKind, Write};
use std::path::{Path, PathBuf};
use std::time::Duration;
use walkdir::WalkDir;
Expand Down Expand Up @@ -38,8 +40,20 @@ fn find_manifest_from_cwd() -> Result<PathBuf, failure::Error> {
/// Construct our `pkg` directory in the crate.
pub fn create_pkg_dir(out_dir: &Path) -> Result<(), failure::Error> {
fs::create_dir_all(&out_dir)?;
fs::write(out_dir.join(".gitignore"), "*")?;
Ok(())

let file = OpenOptions::new()
.write(true)
.create_new(true)
.open(out_dir.join(".gitignore"))
.map(|mut f| f.write_all(b"*"));

match file {
Ok(_) => Ok(()),
Err(e) => match e.kind() {
ErrorKind::AlreadyExists => Ok(()),
_ => Err(e.into()),
},
}
}

/// Locates the pkg directory from a specific path
Expand Down