自动更新功能
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1d5ac78fed
commit
a603248159
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use serde::Serialize;
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#[cfg(target_os = "linux")]
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use std::process::Command;
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#[derive(Debug, Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct AptUpdateCheckResult {
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package_name: String,
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current_version: String,
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installed_version: String,
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candidate_version: String,
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has_update: bool,
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source_available: bool,
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update_command: String,
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}
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#[cfg(target_os = "linux")]
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fn extract_policy_value(output: &str, key: &str) -> String {
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output
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.lines()
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.find_map(|line| line.trim().strip_prefix(key).map(|value| value.trim().to_string()))
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.filter(|value| !value.is_empty())
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.unwrap_or_else(|| "(unknown)".to_string())
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}
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#[tauri::command]
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pub fn check_apt_update(package_name: String, current_version: String) -> Result<AptUpdateCheckResult, String> {
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#[cfg(not(target_os = "linux"))]
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{
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let _ = (&package_name, ¤t_version);
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return Err("当前系统不支持 apt 更新检测，仅支持 Linux。".to_string());
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}
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#[cfg(target_os = "linux")]
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{
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let output = Command::new("apt-cache")
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.arg("policy")
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.arg(&package_name)
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.output()
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.map_err(|error| format!("执行 apt-cache 失败: {error}"))?;
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if !output.status.success() {
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let stderr = String::from_utf8_lossy(&output.stderr).trim().to_string();
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return Err(if stderr.is_empty() {
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"apt-cache policy 执行失败".to_string()
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} else {
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format!("apt-cache policy 执行失败: {stderr}")
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});
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}
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let stdout = String::from_utf8_lossy(&output.stdout).to_string();
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let installed_version = extract_policy_value(&stdout, "Installed:");
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let candidate_version = extract_policy_value(&stdout, "Candidate:");
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let baseline_version = if installed_version == "(none)" || installed_version == "(unknown)" {
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current_version.clone()
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} else {
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installed_version.clone()
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};
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let source_available = candidate_version != "(none)" && candidate_version != "(unknown)";
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let has_update = source_available
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&& candidate_version != baseline_version
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&& !candidate_version.trim().is_empty();
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let update_command = format!(
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"sudo apt update && sudo apt install --only-upgrade {}",
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package_name
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);
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Ok(AptUpdateCheckResult {
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package_name,
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current_version,
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installed_version,
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candidate_version,
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has_update,
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source_available,
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update_command,
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})
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}
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}
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