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/*
* Copyright (C) 2024 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//! Library for finding all aconfig on-device protobuf file paths.
use anyhow::Result;
use std::path::PathBuf;
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> = read_partition_paths();
for dir in fs::read_dir("/apex")? {
let dir = dir?;
// Only scan the currently active version of each mainline module; skip the @version dirs.
if dir.file_name().as_encoded_bytes().iter().any(|&b| b == b'@') {
continue;
}
let mut path = PathBuf::from("/apex");
path.push(dir.path());
path.push("etc");
path.push("aconfig_flags.pb");
if path.exists() {
result.push(path);
}
}
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")
]
);
}
}
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