Merge "Fix bug in device path proto reading" into main

use std::fs;

fn read_partition_paths() -> Vec<PathBuf> {

    include_str!("../partition_aconfig_flags_paths.txt")

        .split(',')

        .map(|s| s.trim().trim_matches('"'))

        .filter(|s| !s.is_empty())

        .map(|s| PathBuf::from(s.to_string()))

        .collect()

}

/// Determine all paths that contain an aconfig protobuf file.

pub fn parsed_flags_proto_paths() -> Result<Vec<PathBuf>> {

    let mut result: Vec<PathBuf> = [include_str!("../partition_aconfig_flags_paths.txt")]

        .map(|s| PathBuf::from(s.to_string()))

        .to_vec();

    let mut result: Vec<PathBuf> = read_partition_paths();

    for dir in fs::read_dir("/apex")? {

        let dir = dir?;

    Ok(result)

}

#[cfg(test)]

mod tests {

    use super::*;

    #[test]

    fn test_read_partition_paths() {

        assert_eq!(read_partition_paths().len(), 4);

        assert_eq!(

            read_partition_paths(),

            vec![

                PathBuf::from("/system/etc/aconfig_flags.pb"),

                PathBuf::from("/system_ext/etc/aconfig_flags.pb"),

                PathBuf::from("/product/etc/aconfig_flags.pb"),

                PathBuf::from("/vendor/etc/aconfig_flags.pb")

            ]

        );

    }

}