liboxen 0.10.0-alpha0

Oxen is a fast, unstructured data version control, to help version datasets, written in Rust.
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//! goes through the commit entry list and pre-computes the hash to verify everything is synced

use crate::core::index::commit_validator;
use crate::error::OxenError;
use crate::model::{Commit, LocalRepository};
use crate::util;

pub fn compute(repo: &LocalRepository, commit: &Commit) -> Result<(), OxenError> {
    log::debug!("Running compute_and_write_hash");

    // sleep to make sure the commit is fully written to disk
    // Issue was with a lot of text files in this integration test:
    //     "test_remote_ls_return_data_types_just_top_level_dir"
    std::thread::sleep(std::time::Duration::from_millis(100));

    let tree_is_valid = commit_validator::validate_tree_hash(repo, commit)?;

    if tree_is_valid {
        log::debug!("writing commit is valid from tree {:?}", commit);
        write_is_valid(repo, commit, "true")?;
    } else {
        log::debug!("writing commit is not valid from tree {:?}", commit);
        write_is_valid(repo, commit, "false")?;
    }
    Ok(())
}

pub fn is_valid(repo: &LocalRepository, commit: &Commit) -> Result<bool, OxenError> {
    match read_is_valid(repo, commit) {
        Ok(val) => Ok(val == "true"),
        Err(_) => Ok(false),
    }
}

fn write_is_valid(repo: &LocalRepository, commit: &Commit, val: &str) -> Result<(), OxenError> {
    log::debug!("writing is valid {:?} for {:?}", val, commit);
    let hash_file_path = util::fs::commit_content_is_valid_path(repo, commit);
    util::fs::write_to_path(hash_file_path, val)?;
    Ok(())
}

fn read_is_valid(repo: &LocalRepository, commit: &Commit) -> Result<String, OxenError> {
    let hash_file_path = util::fs::commit_content_is_valid_path(repo, commit);
    let value = util::fs::read_from_path(hash_file_path)?;
    Ok(value)
}