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A git-based task manager
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1234567891011121314151617181920212223242526272829303132333435363738394041use crate::errors::{Error, Result};use std::fs;use std::os::unix::fs::MetadataExt;use std::{ fs::{File, OpenOptions}, path::{Path, PathBuf},};
use nix::fcntl::{Flock, FlockArg};
pub fn flopen(path: PathBuf, mode: FlockArg) -> Result<Flock<File>> { let file = OpenOptions::new() .read(true) .write(true) .create(true) .truncate(false) .open(path)?; Flock::lock(file, mode).map_err(|(_, errno)| Error::Lock(errno))}
/// Recursively searches upwards for a directorypub fn find_parent_with_dir( dir: PathBuf, searching_for: impl AsRef<Path>,) -> Result<Option<PathBuf>> { // Create a new pathbuf to modify, we slap a segment onto the end but then pop it off right // away let mut d = dir.join(&searching_for); while d.pop() { let check = d.join(&searching_for); if check.exists() { if fs::metadata(&check)?.dev() != fs::metadata(&dir)?.dev() { // we hit a filesystem boundary return Ok(None); } return Ok(Some(check)); } } Ok(None)}