Partially switch to File::set_times() from utime crate

rslib/io/src/error.rs

@@ -35,6 +35,7 @@ pub enum FileOp {
     Sync,
     Metadata,
     DecodeUtf8Filename,
+    SetFileTimes,
     /// For legacy errors without any context.
     Unknown,
 }
@@ -61,6 +62,7 @@ impl FileIoError {
                 FileOp::Sync => "sync".into(),
                 FileOp::Metadata => "get metadata".into(),
                 FileOp::DecodeUtf8Filename => "decode utf8 filename".into(),
+                FileOp::SetFileTimes => "set file times".into(),
             },
             self.path.to_string_lossy(),
             self.source

rslib/io/src/lib.rs

@@ -4,6 +4,8 @@
 mod error;
 
 use std::fs::File;
+use std::fs::FileTimes;
+use std::fs::OpenOptions;
 use std::io::Read;
 use std::io::Seek;
 use std::path::Component;
@@ -37,6 +39,13 @@ pub fn open_file(path: impl AsRef<Path>) -> Result<File> {
     })
 }
 
+pub fn open_file_ext(path: impl AsRef<Path>, options: OpenOptions) -> Result<File> {
+    options.open(&path).context(FileIoSnafu {
+        path: path.as_ref(),
+        op: FileOp::Open,
+    })
+}
+
 /// See [std::fs::write].
 pub fn write_file(path: impl AsRef<Path>, contents: impl AsRef<[u8]>) -> Result<()> {
     std::fs::write(&path, contents).context(FileIoSnafu {
@@ -44,6 +53,14 @@ pub fn write_file(path: impl AsRef<Path>, contents: impl AsRef<[u8]>) -> Result<
         op: FileOp::Write,
     })
 }
+/// See [File::set_times]. Note that this won't work on folders.
+pub fn set_file_times(path: impl AsRef<Path>, times: FileTimes) -> Result<()> {
+    let file = open_file_ext(&path, OpenOptions::new().write(true).to_owned())?;
+    file.set_times(times).context(FileIoSnafu {
+        path: path.as_ref(),
+        op: FileOp::SetFileTimes,
+    })
+}
 
 /// See [std::fs::remove_file].
 #[allow(dead_code)]

rslib/src/media/files.rs

@@ -3,6 +3,7 @@
 
 use std::borrow::Cow;
 use std::fs;
+use std::fs::FileTimes;
 use std::io;
 use std::io::Read;
 use std::path::Path;
@@ -12,6 +13,7 @@ use std::time;
 
 use anki_io::create_dir;
 use anki_io::open_file;
+use anki_io::set_file_times;
 use anki_io::write_file;
 use anki_io::FileIoError;
 use anki_io::FileIoSnafu;
@@ -345,11 +347,9 @@ where
         fs::rename(&src_path, &dst_path)?;
 
         // mark it as modified, so we can expire it in the future
-        let secs = time::SystemTime::now()
-            .duration_since(time::UNIX_EPOCH)
-            .unwrap()
-            .as_secs() as i64;
-        if let Err(err) = utime::set_file_times(&dst_path, secs, secs) {
+        let secs = time::SystemTime::now();
+        let times = FileTimes::new().set_accessed(secs).set_modified(secs);
+        if let Err(err) = set_file_times(&dst_path, times) {
             // The libc utimes() call fails on (some? all?) Android devices. Since we don't
             // do automatic expiry yet, we can safely ignore the error.
             if !cfg!(target_os = "android") {