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cd_into_same_dir_as: allow the proper IO error to bubble up and add docs

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Vinícius Rodrigues Miguel 2021-09-17 11:54:55 -03:00
parent 8565e475c3
commit 6085807ddf
1 changed files with 4 additions and 3 deletions
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7
src/utils.rs
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@ -15,14 +15,15 @@ pub fn create_dir_if_non_existent(path: &Path) -> crate::Result<()> {
Ok(()) Ok(())
} }
/// Changes the process' current directory to the directory that contains the
/// file pointed to by `filename` and returns the directory that the process
/// was in before this function was called.
pub fn cd_into_same_dir_as(filename: &Path) -> crate::Result<PathBuf> { pub fn cd_into_same_dir_as(filename: &Path) -> crate::Result<PathBuf> {
let previous_location = env::current_dir()?; let previous_location = env::current_dir()?;
let parent = filename.parent().ok_or(crate::Error::CompressingRootFolder)?; let parent = filename.parent().ok_or(crate::Error::CompressingRootFolder)?;
// TODO: fix this error variant, as it is not the only possible error that can env::set_current_dir(parent)?;
// come out of this operation
env::set_current_dir(parent).ok().ok_or(crate::Error::CompressingRootFolder)?;
Ok(previous_location) Ok(previous_location)
} }