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function added to also find mounts by target path

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This commit is contained in:
Bruce Leidl 2019-01-29 11:56:56 -05:00
parent 41708c870e
commit 0299d2814f
1 changed files with 6 additions and 1 deletions
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7
libcitadel/src/mount.rs
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@ -15,12 +15,17 @@ impl Mount {
/// Returns `true` if `path` matches the source field (first field)
/// of any of the mount lines listed in /proc/mounts
///
pub fn is_path_mounted<P: AsRef<Path>>(path: P) -> Result<bool> {
pub fn is_source_mounted<P: AsRef<Path>>(path: P) -> Result<bool> {
let path_str = path.as_ref().to_string_lossy();
let mounts = Mount::all_mounts()?;
Ok(mounts.into_iter().any(|m| m.source == path_str))
}
pub fn is_target_mounted<P: AsRef<Path>>(path: P) -> Result<bool> {
let mounts = Mount::all_mounts()?;
Ok(mounts.into_iter().any(|m| m.target == path.as_ref()))
}
pub fn all_mounts() -> Result<Vec<Mount>> {
let s = fs::read_to_string("/proc/mounts")?;
Ok(s.lines().flat_map(Mount::parse_mount_line).collect())