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Return empty list on invalid globs #824

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Merged
Keats merged 1 commit into from
Apr 16, 2023
Merged

Return empty list on invalid globs #824

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13 changes: 10 additions & 3 deletions src/tera.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,13 @@ impl Tera {
// See https://github.com/Keats/tera/issues/574 for the Tera discussion
// and https://github.com/Gilnaa/globwalk/issues/28 for the upstream issue.
let (parent_dir, glob_end) = glob.split_at(glob.find('*').unwrap());
let parent_dir = std::fs::canonicalize(parent_dir)?;
let parent_dir = match std::fs::canonicalize(parent_dir) {
Ok(d) => d,
// If canonicalize fails, just abort it and resume with the given path.
// Consumers expect invalid globs to just return the empty set instead of failing.
// See https://github.com/Keats/tera/issues/819#issuecomment-1480392230
Err(_) => std::path::PathBuf::from(parent_dir),
};
let dir = parent_dir.join(glob_end).into_os_string().into_string().unwrap();

// We are parsing all the templates on instantiation
Expand Down Expand Up @@ -1222,9 +1228,10 @@ mod tests {

// https://github.com/Keats/tera/issues/819
#[test]
fn doesnt_panic_on_invalid_glob() {
fn empty_list_on_invalid_glob() {
let tera = Tera::new("\\dev/null/*");
println!("{:?}", tera);
assert!(tera.is_err());
assert!(tera.is_ok());
assert!(tera.unwrap().templates.is_empty());
}
}