Implement git pulling with Tokio (#408)

This commit is contained in:
Roey Darwish Dror
2020-05-15 11:11:28 +03:00
committed by GitHub
parent a981aad3df
commit f58b2a0c20
4 changed files with 175 additions and 94 deletions

99
Cargo.lock generated
View File

@@ -39,6 +39,12 @@ version = "1.0.26"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7825f6833612eb2414095684fcf6c635becf3ce97fe48cf6421321e93bfbd53c"
[[package]]
name = "arc-swap"
version = "0.4.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b585a98a234c46fc563103e9278c9391fde1f4e6850334da895d27edb9580f62"
[[package]]
name = "arrayref"
version = "0.3.6"
@@ -488,6 +494,21 @@ version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
[[package]]
name = "futures"
version = "0.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c329ae8753502fb44ae4fc2b622fa2a94652c41e795143765ba0927f92ab780"
dependencies = [
"futures-channel",
"futures-core",
"futures-executor",
"futures-io",
"futures-sink",
"futures-task",
"futures-util",
]
[[package]]
name = "futures-channel"
version = "0.3.4"
@@ -495,6 +516,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0c77d04ce8edd9cb903932b608268b3fffec4163dc053b3b402bf47eac1f1a8"
dependencies = [
"futures-core",
"futures-sink",
]
[[package]]
@@ -503,6 +525,17 @@ version = "0.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f25592f769825e89b92358db00d26f965761e094951ac44d3663ef25b7ac464a"
[[package]]
name = "futures-executor"
version = "0.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f674f3e1bcb15b37284a90cedf55afdba482ab061c407a9c0ebbd0f3109741ba"
dependencies = [
"futures-core",
"futures-task",
"futures-util",
]
[[package]]
name = "futures-io"
version = "0.3.4"
@@ -539,9 +572,11 @@ version = "0.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "22766cf25d64306bedf0384da004d05c9974ab104fcc4528f1236181c18004c5"
dependencies = [
"futures-channel",
"futures-core",
"futures-io",
"futures-macro",
"futures-sink",
"futures-task",
"memchr",
"pin-utils",
@@ -895,12 +930,35 @@ dependencies = [
"kernel32-sys",
"libc",
"log",
"miow",
"miow 0.2.1",
"net2",
"slab",
"winapi 0.2.8",
]
[[package]]
name = "mio-named-pipes"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f5e374eff525ce1c5b7687c4cef63943e7686524a387933ad27ca7ec43779cb3"
dependencies = [
"log",
"mio",
"miow 0.3.3",
"winapi 0.3.8",
]
[[package]]
name = "mio-uds"
version = "0.6.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "966257a94e196b11bb43aca423754d87429960a768de9414f3691d6957abf125"
dependencies = [
"iovec",
"libc",
"mio",
]
[[package]]
name = "miow"
version = "0.2.1"
@@ -913,6 +971,16 @@ dependencies = [
"ws2_32-sys",
]
[[package]]
name = "miow"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "396aa0f2003d7df8395cb93e09871561ccc3e785f0acb369170e8cc74ddf9226"
dependencies = [
"socket2",
"winapi 0.3.8",
]
[[package]]
name = "native-tls"
version = "0.2.4"
@@ -1600,6 +1668,16 @@ dependencies = [
"dirs 2.0.2",
]
[[package]]
name = "signal-hook-registry"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "94f478ede9f64724c5d173d7bb56099ec3e2d9fc2774aac65d34b8b890405f41"
dependencies = [
"arc-swap",
"libc",
]
[[package]]
name = "slab"
version = "0.4.2"
@@ -1612,6 +1690,18 @@ version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c2fb2ec9bcd216a5b0d0ccf31ab17b5ed1d627960edff65bbe95d3ce221cefc"
[[package]]
name = "socket2"
version = "0.3.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "03088793f677dce356f3ccc2edb1b314ad191ab702a5de3faf49304f7e104918"
dependencies = [
"cfg-if",
"libc",
"redox_syscall",
"winapi 0.3.8",
]
[[package]]
name = "spin"
version = "0.5.2"
@@ -1804,11 +1894,16 @@ dependencies = [
"fnv",
"iovec",
"lazy_static",
"libc",
"memchr",
"mio",
"mio-named-pipes",
"mio-uds",
"num_cpus",
"pin-project-lite",
"signal-hook-registry",
"slab",
"winapi 0.3.8",
]
[[package]]
@@ -1865,6 +1960,7 @@ dependencies = [
"chrono",
"console 0.9.2",
"directories",
"futures",
"glob",
"lazy_static",
"log",
@@ -1879,6 +1975,7 @@ dependencies = [
"strum",
"tempfile",
"thiserror",
"tokio",
"toml",
"walkdir",
"which",

View File

@@ -30,6 +30,8 @@ thiserror = "1.0.9"
anyhow = "1.0.25"
tempfile = "3.1.0"
cfg-if = "0.1.10"
tokio = { version = "0.2", features = ["rt-core", "process"] }
futures = "0.3"
[target.'cfg(target_os = "macos")'.dependencies]
notify-rust = "3.6.3"

View File

@@ -13,9 +13,6 @@ pub enum TopgradeError {
#[error("Unknown Linux Distribution")]
#[cfg(target_os = "linux")]
UnknownLinuxDistribution,
#[error("A pull action was failed")]
PullFailed,
}
#[derive(Error, Debug)]

View File

@@ -1,19 +1,19 @@
use crate::error::{SkipStep, TopgradeError};
use crate::error::SkipStep;
use crate::execution_context::ExecutionContext;
use crate::executor::{CommandExt, RunType};
use crate::terminal::print_separator;
use crate::utils::{which, PathExt};
use anyhow::Result;
use console::style;
use futures::future::try_join_all;
use glob::{glob_with, MatchOptions};
use log::{debug, error};
use std::collections::HashSet;
use std::io;
use std::io::Read;
use std::path::{Path, PathBuf};
use std::process::{Child, Command, Stdio};
use std::thread::sleep;
use std::time::Duration;
use std::process::{Command, Output};
use tokio::process::Command as AsyncCommand;
use tokio::runtime;
#[cfg(windows)]
static PATH_PREFIX: &str = "\\\\?\\";
@@ -23,18 +23,77 @@ pub struct Git {
git: Option<PathBuf>,
}
struct PullProcess {
child: Child,
repo: String,
before_revision: Option<String>,
}
pub struct Repositories<'a> {
git: &'a Git,
repositories: HashSet<String>,
glob_match_options: MatchOptions,
}
fn check_output(output: Output) -> std::result::Result<(), String> {
if !(output.status.success()) {
let stderr = String::from_utf8(output.stderr).unwrap();
Err(stderr)
} else {
Ok(())
}
}
async fn pull_repository(repo: String, git: &PathBuf, ctx: &ExecutionContext<'_>) -> Result<()> {
let path = repo.to_string();
let before_revision = get_head_revision(git, &repo);
println!("{} {}", style("Pulling").cyan().bold(), path);
let mut command = AsyncCommand::new(git);
command.args(&["pull", "--ff-only"]).current_dir(&repo);
if let Some(extra_arguments) = ctx.config().git_arguments() {
command.args(extra_arguments.split_whitespace());
}
let pull_output = command.output().await?;
let submodule_output = AsyncCommand::new(git)
.args(&["submodule", "update", "--recursive"])
.current_dir(&repo)
.output()
.await?;
let result = check_output(pull_output).and_then(|_| check_output(submodule_output));
if let Err(message) = result {
println!("{} pulling {}", style("Failed").red().bold(), &repo);
print!("{}", message);
} else {
let after_revision = get_head_revision(&git, &repo);
match (&before_revision, &after_revision) {
(Some(before), Some(after)) if before != after => {
println!("{} {}:", style("Changed").yellow().bold(), &repo);
Command::new(&git)
.current_dir(&repo)
.args(&[
"--no-pager",
"log",
"--no-decorate",
"--oneline",
&format!("{}..{}", before, after),
])
.spawn()
.unwrap()
.wait()
.unwrap();
println!();
}
_ => {
println!("{} {}", style("Up-to-date").green().bold(), &repo);
}
}
}
Ok(())
}
fn get_head_revision(git: &Path, repo: &str) -> Option<String> {
Command::new(git)
.args(&["rev-parse", "HEAD"])
@@ -130,7 +189,7 @@ impl Git {
return Ok(());
}
let mut processes: Vec<_> = repositories
let futures: Vec<_> = repositories
.repositories
.iter()
.filter(|repo| match has_remotes(git, repo) {
@@ -144,89 +203,15 @@ impl Git {
}
_ => true, // repo has remotes or command to check for remotes has failed. proceed to pull anyway.
})
.filter_map(|repo| {
let repo = repo.clone();
let path = repo.to_string();
let before_revision = get_head_revision(git, &repo);
println!("{} {}", style("Pulling").cyan().bold(), path);
let mut command = Command::new(git);
command.args(&["pull", "--ff-only"]).current_dir(&repo);
if let Some(extra_arguments) = ctx.config().git_arguments() {
command.args(extra_arguments.split_whitespace());
}
command
.stdout(Stdio::null())
.stderr(Stdio::piped())
.spawn()
.map(|child| PullProcess {
child,
repo,
before_revision,
})
.ok()
})
.map(|repo| pull_repository(repo.clone(), &git, ctx))
.collect();
let mut success = true;
while !processes.is_empty() {
let mut remaining_processes = Vec::<PullProcess>::with_capacity(processes.len());
for mut p in processes {
if let Some(status) = p.child.try_wait().unwrap() {
if status.success() {
let after_revision = get_head_revision(&git, &p.repo);
let mut basic_rt = runtime::Runtime::new()?;
basic_rt.block_on(async { try_join_all(futures).await })?;
match (&p.before_revision, &after_revision) {
(Some(before), Some(after)) if before != after => {
println!("{} {}:", style("Changed").yellow().bold(), &p.repo);
Command::new(&git)
.current_dir(&p.repo)
.args(&[
"--no-pager",
"log",
"--no-decorate",
"--oneline",
&format!("{}..{}", before, after),
])
.spawn()
.unwrap()
.wait()
.unwrap();
println!();
}
_ => {
println!("{} {}", style("Up-to-date").green().bold(), &p.repo);
}
}
} else {
success = false;
println!("{} pulling {}", style("Failed").red().bold(), &p.repo);
let mut stderr = String::new();
if p.child.stderr.unwrap().read_to_string(&mut stderr).is_ok() {
print!("{}", stderr);
}
}
} else {
remaining_processes.push(p);
}
}
processes = remaining_processes;
sleep(Duration::from_millis(200));
}
if !success {
Err(TopgradeError::PullFailed.into())
} else {
Ok(())
}
}
}
impl<'a> Repositories<'a> {
pub fn new(git: &'a Git) -> Self {