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Fix creating .cargo/.crates.toml in metadata::v1

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Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
This commit is contained in:
Jiahao XU 2022-08-04 14:08:06 +10:00
parent 28aeae938e
commit 71566383db
No known key found for this signature in database
GPG key ID: 591C0B03040416D6
1 changed files with 34 additions and 1 deletions
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35
src/metafiles/v1.rs
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@ -74,7 +74,11 @@ impl CratesToml {
Iter: IntoIterator<Item = &'a MetaData>,
{
let mut file = FileLock::new_exclusive(create_if_not_exist(path.as_ref())?)?;
let mut c1 = Self::load_from_reader(&mut *file)?;
let mut c1 = if file.metadata()?.len() != 0 {
Self::load_from_reader(&mut *file)?
} else {
Self::default()
};
for metadata in iter {
c1.insert(&CrateVersionSource::from(metadata), metadata.bins.clone());
@ -108,3 +112,32 @@ pub enum CratesTomlParseError {
#[error(transparent)]
CvsParse(#[from] super::CvsParseError),
}
#[cfg(test)]
mod tests {
use super::{super::binstall_v1, *};
use crate::target::TARGET;
use semver::Version;
use tempfile::TempDir;
#[test]
fn test_empty() {
let tempdir = TempDir::new().unwrap();
let path = tempdir.path().join("crates-v1.toml");
CratesToml::append_to_path(
&path,
&[MetaData {
name: "cargo-binstall".into(),
version_req: "*".into(),
current_version: Version::new(0, 11, 1),
source: binstall_v1::Source::cratesio_registry(),
target: TARGET.into(),
bins: vec!["cargo-binstall".into()],
other: Default::default(),
}],
)
.unwrap();
}
}