Replace app_dirs with app_dirs2.

Cargo.toml

@@ -32,7 +32,7 @@ name = "tectonic"
 crate-type = ["rlib"]
 
 [dependencies]
-app_dirs = "^1.1"
+app_dirs2 = "^2"
 structopt = "0.3"
 error-chain = "^0.12"
 flate2 = { version = "^1.0", default-features = false, features = ["zlib"] }

src/app_dirs.rs

@@ -2,24 +2,24 @@
 // Licensed under the MIT License.
 
 use crate::errors::Result;
-use app_dirs::AppDataType;
+use app_dirs2::AppDataType;
 use std::path::PathBuf;
 
-pub use app_dirs::sanitized;
+pub use app_dirs2::sanitized;
 
-const APP_INFO: app_dirs::AppInfo = app_dirs::AppInfo {
+const APP_INFO: app_dirs2::AppInfo = app_dirs2::AppInfo {
     name: "Tectonic",
     author: "TectonicProject",
 };
 
 pub fn user_config() -> Result<PathBuf> {
-    Ok(app_dirs::app_root(AppDataType::UserConfig, &APP_INFO)?)
+    Ok(app_dirs2::app_root(AppDataType::UserConfig, &APP_INFO)?)
 }
 
 pub fn get_user_config() -> Result<PathBuf> {
-    Ok(app_dirs::get_app_root(AppDataType::UserConfig, &APP_INFO)?)
+    Ok(app_dirs2::get_app_root(AppDataType::UserConfig, &APP_INFO)?)
 }
 
 pub fn user_cache_dir(path: &str) -> Result<PathBuf> {
-    Ok(app_dirs::app_dir(AppDataType::UserCache, &APP_INFO, path)?)
+    Ok(app_dirs2::app_dir(AppDataType::UserCache, &APP_INFO, path)?)
 }

src/errors.rs

@@ -10,7 +10,6 @@
 // hopefully show up in a future version.
 #![allow(deprecated)]
 
-use app_dirs;
 use error_chain::error_chain;
 use reqwest::StatusCode;
 use std::io::Write;
@@ -27,7 +26,7 @@ error_chain! {
     }
 
     foreign_links {
-        AppDirs(app_dirs::AppDirsError);
+        AppDirs(app_dirs2::AppDirsError);
         Io(io::Error);
         Nul(ffi::NulError);
         ParseInt(num::ParseIntError);