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Introduce file_id on Windows (#8130)
Added a function `file_id` to get the file id on windows, which is similar to inode on unix. Release Notes: - N/A
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Cargo.lock
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1
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@ -3678,6 +3678,7 @@ dependencies = [
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"text",
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"text",
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"time",
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"time",
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"util",
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"util",
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"windows-sys 0.52.0",
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]
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]
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[[package]]
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[[package]]
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@ -32,11 +32,17 @@ log.workspace = true
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libc = "0.2"
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libc = "0.2"
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time.workspace = true
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time.workspace = true
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gpui = { workspace = true, optional = true}
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gpui = { workspace = true, optional = true }
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[target.'cfg(not(target_os = "macos"))'.dependencies]
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[target.'cfg(not(target_os = "macos"))'.dependencies]
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notify = "6.1.1"
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notify = "6.1.1"
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[target.'cfg(target_os = "windows")'.dependencies]
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windows-sys = { version = "0.52", features = [
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"Win32_Foundation",
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"Win32_Storage_FileSystem",
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] }
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[dev-dependencies]
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[dev-dependencies]
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gpui = { workspace = true, features = ["test-support"] }
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gpui = { workspace = true, features = ["test-support"] }
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@ -245,9 +245,8 @@ impl Fs for RealFs {
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#[cfg(unix)]
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#[cfg(unix)]
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let inode = metadata.ino();
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let inode = metadata.ino();
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// todo!("windows")
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#[cfg(windows)]
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#[cfg(windows)]
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let inode = 0;
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let inode = file_id(path).await?;
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Ok(Some(Metadata {
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Ok(Some(Metadata {
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inode,
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inode,
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@ -1337,6 +1336,41 @@ pub fn copy_recursive<'a>(
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.boxed()
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.boxed()
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}
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}
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// todo!(windows)
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// can we get file id not open the file twice?
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// https://github.com/rust-lang/rust/issues/63010
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#[cfg(target_os = "windows")]
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async fn file_id(path: impl AsRef<Path>) -> Result<u64> {
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use std::os::windows::io::AsRawHandle;
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use smol::fs::windows::OpenOptionsExt;
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use windows_sys::Win32::{
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Foundation::HANDLE,
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Storage::FileSystem::{
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GetFileInformationByHandle, BY_HANDLE_FILE_INFORMATION, FILE_FLAG_BACKUP_SEMANTICS,
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},
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};
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let file = smol::fs::OpenOptions::new()
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.read(true)
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.custom_flags(FILE_FLAG_BACKUP_SEMANTICS)
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.open(path)
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.await?;
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let mut info: BY_HANDLE_FILE_INFORMATION = unsafe { std::mem::zeroed() };
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// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfileinformationbyhandle
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// This function supports Windows XP+
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smol::unblock(move || {
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let ret = unsafe { GetFileInformationByHandle(file.as_raw_handle() as HANDLE, &mut info) };
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if ret == 0 {
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return Err(anyhow!(format!("{}", std::io::Error::last_os_error())));
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};
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Ok(((info.nFileIndexHigh as u64) << 32) | (info.nFileIndexLow as u64))
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})
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.await
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}
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#[cfg(test)]
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#[cfg(test)]
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mod tests {
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mod tests {
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use super::*;
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use super::*;
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