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Refactor: Extract mod fs as crate atomic-file-install (#1286)

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Refactor: Extract mod `fs` as crate `atomic-install`

To speedup codegen of `binstalk` and also publish a new crate that could
be reused.

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
This commit is contained in:
Jiahao XU 2023-08-12 23:24:26 +10:00 • committed by GitHub
parent 8ff13c1b36
commit ef99dd795f
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9 changed files with 261 additions and 31 deletions
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13
Cargo.lock generated
View file

@ -173,6 +173,16 @@ dependencies = [
"tokio-util",
]
[[package]]
name = "atomic-file-install"
version = "0.0.0"
dependencies = [
"reflink-copy",
"tempfile",
"tracing",
"windows 0.48.0",
]
[[package]]
name = "autocfg"
version = "1.1.0"
@ -235,6 +245,7 @@ name = "binstalk"
version = "0.15.0"
dependencies = [
"async-trait",
"atomic-file-install",
"base16",
"binstalk-downloader",
"binstalk-types",
@ -252,7 +263,6 @@ dependencies = [
"miette",
"normalize-path",
"once_cell",
"reflink-copy",
"semver",
"serde",
"serde_json",
@ -265,7 +275,6 @@ dependencies = [
"toml_edit",
"tracing",
"url",
"windows 0.48.0",
"xz2",
]

1
Cargo.toml
View file

@ -1,5 +1,6 @@
[workspace]
members = [
"crates/atomic-file-install",
"crates/bin",
"crates/binstalk",
"crates/binstalk-manifests",

18
crates/atomic-file-install/Cargo.toml Normal file
View file

@ -0,0 +1,18 @@
[package]
name = "atomic-file-install"
version = "0.0.0"
edition = "2021"
description = "For atomically installing a file or a symlink."
repository = "https://github.com/cargo-bins/cargo-binstall"
documentation = "https://docs.rs/atomic-install"
authors = ["Jiahao XU <Jiahao_XU@outlook.com>"]
license = "Apache-2.0 OR MIT"
rust-version = "1.65.0"
[dependencies]
reflink-copy = "0.1.5"
tempfile = "3.5.0"
tracing = "0.1.37"
[target.'cfg(windows)'.dependencies]
windows = { version = "0.48.0", features = ["Win32_Storage_FileSystem", "Win32_Foundation"] }

176
crates/atomic-file-install/LICENSE-APACHE Normal file
View file

@ -0,0 +1,176 @@
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23
crates/atomic-file-install/LICENSE-MIT Normal file
View file

@ -0,0 +1,23 @@
Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the
Software without restriction, including without
limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software
is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice
shall be included in all copies or substantial portions
of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

53
crates/binstalk/src/fs.rs → crates/atomic-file-install/src/lib.rs
View file

@ -1,9 +1,19 @@
//! Atomically install a regular file or a symlink to destination,
//! can be either noclobber (fail if destination already exists) or
//! replacing it atomically if it exists.
use std::{fs, io, path::Path};
use reflink_copy::reflink_or_copy;
use tempfile::{NamedTempFile, TempPath};
use tracing::{debug, warn};
#[cfg(unix)]
use std::os::unix::fs::symlink as symlink_file_inner;
#[cfg(windows)]
use std::os::windows::fs::symlink_file as symlink_file_inner;
fn copy_to_tempfile(src: &Path, dst: &Path) -> io::Result<NamedTempFile> {
let parent = dst.parent().unwrap();
debug!("Creating named tempfile at '{}'", parent.display());
@ -32,7 +42,7 @@ fn copy_to_tempfile(src: &Path, dst: &Path) -> io::Result<NamedTempFile> {
Ok(tempfile)
}
/// Install a file.
/// Install a file, this fails if the `dst` already exists.
///
/// This is a blocking function, must be called in `block_in_place` mode.
pub fn atomic_install_noclobber(src: &Path, dst: &Path) -> io::Result<()> {
@ -54,7 +64,7 @@ pub fn atomic_install_noclobber(src: &Path, dst: &Path) -> io::Result<()> {
Ok(())
}
/// Atomically install a file.
/// Atomically install a file, this atomically replace `dst` if it exists.
///
/// This is a blocking function, must be called in `block_in_place` mode.
pub fn atomic_install(src: &Path, dst: &Path) -> io::Result<()> {
@ -65,17 +75,17 @@ pub fn atomic_install(src: &Path, dst: &Path) -> io::Result<()> {
);
if let Err(err) = fs::rename(src, dst) {
warn!("Attempting at atomic rename failed: {err:#?}, fallback to other methods.");
warn!("Attempting at atomic rename failed: {err}, fallback to other methods.");
#[cfg(target_os = "windows")]
#[cfg(windows)]
{
match win::replace_file(src, dst) {
Ok(()) => {
debug!("ReplaceFileW succeeded.",);
debug!("ReplaceFileW succeeded.");
return Ok(());
}
Err(err) => {
warn!("ReplaceFileW failed: {err}, fallback to using tempfile plus rename",);
warn!("ReplaceFileW failed: {err}, fallback to using tempfile plus rename")
}
}
}
@ -92,31 +102,26 @@ pub fn atomic_install(src: &Path, dst: &Path) -> io::Result<()> {
Ok(())
}
fn symlink_file_inner(dest: &Path, link: &Path) -> io::Result<()> {
#[cfg(target_family = "unix")]
std::os::unix::fs::symlink(dest, link)?;
#[cfg(target_family = "windows")]
std::os::windows::fs::symlink_file(dest, link)?;
Ok(())
}
/// Create a symlink at `link` to `dest`, this fails if the `link`
/// already exists.
///
/// This is a blocking function, must be called in `block_in_place` mode.
pub fn atomic_symlink_file_noclobber(dest: &Path, link: &Path) -> io::Result<()> {
match symlink_file_inner(dest, link) {
Ok(_) => Ok(()),
#[cfg(target_family = "windows")]
#[cfg(windows)]
// Symlinks on Windows are disabled in some editions, so creating one is unreliable.
// Fallback to copy if it fails.
Err(_) => atomic_install_noclobber(dest, link),
#[cfg(not(target_family = "windows"))]
#[cfg(not(windows))]
Err(err) => Err(err),
}
}
/// Atomically install symlink "link" to a file "dst".
/// Atomically create a symlink at `link` to `dest`, this atomically replace
/// `link` if it already exists.
///
/// This is a blocking function, must be called in `block_in_place` mode.
pub fn atomic_symlink_file(dest: &Path, link: &Path) -> io::Result<()> {
@ -137,12 +142,12 @@ pub fn atomic_symlink_file(dest: &Path, link: &Path) -> io::Result<()> {
match symlink_file_inner(dest, &temp_path) {
Ok(_) => persist(temp_path, link),
#[cfg(target_family = "windows")]
#[cfg(windows)]
// Symlinks on Windows are disabled in some editions, so creating one is unreliable.
// Fallback to copy if it fails.
Err(_) => atomic_install(dest, link),
#[cfg(not(target_family = "windows"))]
#[cfg(not(windows))]
Err(err) => Err(err),
}
}
@ -151,7 +156,7 @@ fn persist(temp_path: TempPath, to: &Path) -> io::Result<()> {
debug!("Persisting '{}' to '{}'", temp_path.display(), to.display());
match temp_path.persist(to) {
Ok(()) => Ok(()),
#[cfg(target_os = "windows")]
#[cfg(windows)]
Err(tempfile::PathPersistError {
error,
path: temp_path,
@ -163,12 +168,12 @@ fn persist(temp_path: TempPath, to: &Path) -> io::Result<()> {
);
win::replace_file(&temp_path, to).map_err(io::Error::from)
}
#[cfg(not(target_os = "windows"))]
#[cfg(not(windows))]
Err(err) => Err(err.into()),
}
}
#[cfg(target_os = "windows")]
#[cfg(windows)]
mod win {
use std::{os::windows::ffi::OsStrExt, path::Path};

1
crates/bin/src/logging.rs
View file

@ -194,6 +194,7 @@ pub fn logging(log_level: LevelFilter, json_output: bool) {
let log_level = min(log_level, STATIC_MAX_LEVEL);
let allowed_targets = (log_level != LevelFilter::Trace).then_some([
"atomic_file_install",
"binstalk",
"binstalk_downloader",
"cargo_binstall",

5
crates/binstalk/Cargo.toml
View file

@ -11,6 +11,7 @@ license = "GPL-3.0-only"
[dependencies]
async-trait = "0.1.68"
atomic-file-install = { version = "0.0.0", path = "../atomic-file-install" }
base16 = "0.2.1"
binstalk-downloader = { version = "0.7.0", path = "../binstalk-downloader", default-features = false, features = ["gh-api-client"] }
binstalk-types = { version = "0.5.0", path = "../binstalk-types" }
@ -28,7 +29,6 @@ maybe-owned = "0.3.4"
miette = "5.9.0"
normalize-path = { version = "0.2.1", path = "../normalize-path" }
once_cell = "1.18.0"
reflink-copy = "0.1.5"
semver = { version = "1.0.17", features = ["serde"] }
serde = { version = "1.0.163", features = ["derive"] }
serde_json = "1.0.99"
@ -45,9 +45,6 @@ xz2 = "0.1.7"
[dev-dependencies]
toml_edit = { version = "0.19.11", features = ["serde"] }
[target.'cfg(target_os = "windows")'.dependencies]
windows = { version = "0.48.0", features = ["Win32_Storage_FileSystem", "Win32_Foundation"] }
[features]
default = ["static", "rustls", "git"]

2
crates/binstalk/src/lib.rs
View file

@ -4,10 +4,10 @@ pub mod bins;
pub mod drivers;
pub mod errors;
pub mod fetchers;
pub(crate) mod fs;
pub mod helpers;
pub mod ops;
use atomic_file_install as fs;
pub use binstalk_types as manifests;
pub use detect_targets::{get_desired_targets, DesiredTargets, TARGET};
pub use home;