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|
use std::io::{Error, Result};
use std::path::Path;
use std::process::{Command, Stdio};
use std::time::{SystemTime, UNIX_EPOCH};
pub struct Git;
impl Git {
pub fn new() -> Self {
Git
}
}
impl super::Remote for Git {
fn can_handle(&self, remote: &str) -> bool {
match Command::new("git")
.args(["ls-remote", remote])
.stdout(Stdio::null())
.stderr(Stdio::null())
.status()
{
Ok(status) => status.success(),
_ => false,
}
}
fn sync_up(&self, remote: &str, directory: &Path) -> Result<()> {
let timestamp = SystemTime::now()
.duration_since(UNIX_EPOCH)
.map_err(|_| Error::other("Invalid time"))?
.as_millis();
let commit_name = format!("blog-sync-up-{timestamp}");
let command_arguments = vec![
vec!["init", "-b", "main"],
vec!["add", "."],
vec!["commit", "--allow-empty", "-m", &commit_name],
vec!["push", &remote, "main", "--force"],
];
for arguments in command_arguments {
let status = Command::new("git")
.current_dir(directory)
.args(&arguments)
.stdout(Stdio::null())
.stderr(Stdio::null())
.status()
.map_err(|_| Error::other("Failed while performing sync up with git"))?;
if !status.success() {
return Err(Error::other("Failed while performing sync up with git"));
}
}
Ok(())
}
fn sync_down(&self, remote: &str, directory: &Path) -> Result<()> {
let command_arguments = vec![
vec!["init", "-b", "main"],
vec!["reset", "--hard"],
vec!["clean", ".", "-f"],
vec!["pull", &remote, "main"],
];
for arguments in command_arguments {
let status = Command::new("git")
.current_dir(directory)
.args(&arguments)
.stdout(Stdio::null())
.stderr(Stdio::null())
.status()
.map_err(|_| Error::other("Failed while performing sync down with git"))?;
if !status.success() {
return Err(Error::other("Failed while performing sync down with git"));
}
}
Ok(())
}
}
#[cfg(test)]
mod tests {
use std::fs::create_dir_all;
use super::*;
use crate::remote::Remote;
use test_utilities::*;
#[test]
fn test_can_handle_git_remotes() {
let git = Git::new();
let test_dir = setup_test_dir();
let remote_dir = test_dir.join("remote");
let remote_dir_as_string = remote_dir.display().to_string();
create_dir_all(&remote_dir).expect("Could not create remote test directory");
create_remote(&remote_dir);
assert!(git.can_handle(&remote_dir_as_string));
cleanup_test_dir(&test_dir);
}
#[test]
fn test_can_not_handle_not_git_remotes() {
let git = Git::new();
let test_dir = setup_test_dir();
let remote_dir = test_dir.join("remote");
let remote_dir_as_string = remote_dir.display().to_string();
create_dir_all(&remote_dir).expect("Could not create remote test directory");
assert!(!git.can_handle(&remote_dir_as_string));
cleanup_test_dir(&test_dir);
}
#[test]
fn test_can_not_handle_invalid_paths() {
let git = Git::new();
let invalid_remote = String::from("test\0");
assert!(!git.can_handle(&invalid_remote));
}
#[test]
fn test_syncs_remote_up() {
let git = Git::new();
let test_dir = setup_test_dir();
let local_dir = test_dir.join("local");
let remote_dir = test_dir.join("remote");
create_dir_all(&local_dir).expect("Could not create local test directory");
create_dir_all(&remote_dir).expect("Could not create remote test directory");
create_remote(&remote_dir);
let remote_dir_as_string = remote_dir.display().to_string();
create_test_file(&local_dir.join("file1.txt"), "I exist");
git.sync_up(&remote_dir_as_string, &local_dir)
.expect("Could not sync up to remote");
assert_file_in_repo_with_contents(&remote_dir_as_string, "file1.txt", "I exist");
assert_file_in_repo_does_not_exist(&remote_dir_as_string, "file2.txt");
create_test_file(&local_dir.join("file2.txt"), "I also exist now, btw");
git.sync_up(&remote_dir_as_string, &local_dir)
.expect("Could not sync up to remote");
assert_file_in_repo_with_contents(&remote_dir_as_string, "file1.txt", "I exist");
assert_file_in_repo_with_contents(
&remote_dir_as_string,
"file2.txt",
"I also exist now, btw",
);
cleanup_test_dir(&test_dir);
}
#[test]
fn test_remote_up_force_pushes() {
let git = Git::new();
let test_dir = setup_test_dir();
let local_dir = test_dir.join("gitlocal");
let remote_dir = test_dir.join("gitremote");
create_dir_all(&local_dir).expect("Could not create local test directory");
create_dir_all(&remote_dir).expect("Could not create remote test directory");
create_remote(&remote_dir);
let remote_dir_as_string = remote_dir.display().to_string();
commit_file_to_remote(&remote_dir_as_string, "boo.txt", "A ghost");
assert_file_in_repo_does_not_exist(&remote_dir_as_string, "file1.txt");
assert_file_in_repo_with_contents(&remote_dir_as_string, "boo.txt", "A ghost");
create_test_file(&local_dir.join("file1.txt"), "I exist");
git.sync_up(&remote_dir_as_string, &local_dir)
.expect("Could not sync up to remote");
assert_file_in_repo_with_contents(&remote_dir_as_string, "file1.txt", "I exist");
assert_file_in_repo_does_not_exist(&remote_dir_as_string, "boo.txt");
cleanup_test_dir(&test_dir);
}
#[test]
fn test_sync_up_fails_with_an_invalid_string() {
let git = Git::new();
let test_dir = setup_test_dir();
let local_dir = test_dir.join("local");
create_dir_all(&local_dir).expect("Could not create local test directory");
let invalid_remote = String::from("test\0");
let result = git.sync_up(&invalid_remote, &local_dir);
assert!(result.is_err());
cleanup_test_dir(&test_dir);
}
#[test]
fn test_sync_up_fails_with_an_invalid_remote() {
let git = Git::new();
let test_dir = setup_test_dir();
let local_dir = test_dir.join("local");
create_dir_all(&local_dir).expect("Could not create local test directory");
let invalid_remote = String::from("my guy does not exist");
let result = git.sync_up(&invalid_remote, &local_dir);
assert!(result.is_err());
cleanup_test_dir(&test_dir);
}
#[test]
fn test_syncs_remote_down() {
let git = Git::new();
let test_dir = setup_test_dir();
let local_dir = test_dir.join("local");
let remote_dir = test_dir.join("remote");
create_dir_all(&local_dir).expect("Could not create local test directory");
create_dir_all(&remote_dir).expect("Could not create remote test directory");
create_remote(&remote_dir);
let remote_dir_as_string = remote_dir.display().to_string();
commit_file_to_remote(&remote_dir_as_string, "file1.txt", "I exist, but remotely");
assert!(!&local_dir.join("file1.txt").exists());
assert!(!&local_dir.join("file2.txt").exists());
git.sync_down(&remote_dir_as_string, &local_dir)
.expect("Could not sync down from remote");
assert_file_contents(&local_dir.join("file1.txt"), "I exist, but remotely");
assert!(!&local_dir.join("file2.txt").exists());
commit_file_to_remote(
&remote_dir_as_string,
"file2.txt",
"I also exist, but remotely",
);
assert!(!&local_dir.join("file2.txt").exists());
git.sync_down(&remote_dir_as_string, &local_dir)
.expect("Could not sync down from remote");
assert_file_contents(&local_dir.join("file1.txt"), "I exist, but remotely");
assert_file_contents(&local_dir.join("file2.txt"), "I also exist, but remotely");
cleanup_test_dir(&test_dir);
}
#[test]
fn test_sync_down_overwrites_local() {
let git = Git::new();
let test_dir = setup_test_dir();
let local_dir = test_dir.join("local");
let remote_dir = test_dir.join("remote");
create_dir_all(&local_dir).expect("Could not create local test directory");
create_dir_all(&remote_dir).expect("Could not create remote test directory");
create_remote(&remote_dir);
let remote_dir_as_string = remote_dir.display().to_string();
create_test_file(&local_dir.join("nooo.txt"), "I will no longer exist");
commit_file_to_remote(&remote_dir_as_string, "file1.txt", "I exist, but remotely");
assert!(&local_dir.join("nooo.txt").exists());
assert!(!&local_dir.join("file1.txt").exists());
git.sync_down(&remote_dir_as_string, &local_dir)
.expect("Could not sync down from remote");
assert_file_contents(&local_dir.join("file1.txt"), "I exist, but remotely");
assert!(!&local_dir.join("nooo.txt").exists());
cleanup_test_dir(&test_dir);
}
#[test]
fn test_sync_down_fails_with_an_invalid_string() {
let git = Git::new();
let test_dir = setup_test_dir();
let local_dir = test_dir.join("local");
create_dir_all(&local_dir).expect("Could not create local test directory");
let invalid_remote = String::from("test\0");
let result = git.sync_down(&invalid_remote, &local_dir);
assert!(result.is_err());
cleanup_test_dir(&test_dir);
}
#[test]
fn test_sync_down_fails_with_an_invalid_remote() {
let git = Git::new();
let test_dir = setup_test_dir();
let local_dir = test_dir.join("local");
create_dir_all(&local_dir).expect("Could not create local test directory");
let invalid_remote = String::from("thisremotedoesnotexist");
let result = git.sync_down(&invalid_remote, &local_dir);
assert!(result.is_err());
cleanup_test_dir(&test_dir);
}
}
|
