Init

.gitignore

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+/target

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "itoa"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
+
+[[package]]
+name = "mira"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "ryu"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
+
+[[package]]
+name = "serde"
+version = "1.0.117"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b88fa983de7720629c9387e9f517353ed404164b1e482c970a90c1a4aaf7dc1a"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.117"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbd1ae72adb44aab48f325a02444a5fc079349a8d804c1fc922aed3f7454c74e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.59"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcac07dbffa1c65e7f816ab9eba78eb142c6d44410f4eeba1e26e4f5dfa56b95"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.53"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8833e20724c24de12bbaba5ad230ea61c3eafb05b881c7c9d3cfe8638b187e68"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"

Cargo.toml

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+[package]
+name = "mira"
+version = "0.1.0"
+authors = ["dece <shgck@pistache.land>"]
+edition = "2018"
+
+[dependencies]
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"

README.md

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+Mira
+====
+
+Small utility to help with Git repository mirroring, using a single JSON config
+file. It is standalone and can be easily integrated in cron or systemd.

src/main.rs

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+use std::env;
+use std::fs;
+use std::io;
+use std::io::prelude::*;
+use std::path;
+use std::process;
+
+fn main() {
+    let config_text = match load_file(&path::Path::new("mira.json")) {
+        Ok(content) => content,
+        Err(e) => { eprintln!("{:?}", e); process::exit(1) }
+    };
+    let root_config: RootConfig = match serde_json::from_str(&config_text) {
+        Ok(config) => config,
+        Err(e) => { eprintln!("{:?}", e); process::exit(1) }
+    };
+    process_root_config(&root_config);
+}
+
+fn load_file(path: &path::Path) -> Result<String, io::Error> {
+    let mut file = fs::File::open(path)?;
+    let mut contents = String::new();
+    file.read_to_string(&mut contents)?;
+    Ok(contents)
+}
+
+#[derive(Debug, serde::Deserialize)]
+struct RootConfig {
+    workdir: Option<String>,
+    auth: serde_json::Value,
+    configurations: Vec<Configuration>,
+}
+
+// #[derive(Debug, serde::Deserialize)]
+// struct Authentication {
+//     key: Option<String>,
+// }
+
+fn process_root_config(root_config: &RootConfig) {
+    // Ensure working directory exists and move to it.
+    if let Some(workdir) = &root_config.workdir {
+        let workdir = path::Path::new(&workdir);
+        if !workdir.is_dir() {
+            if let Err(e) = fs::create_dir_all(&workdir) {
+                eprintln!("Failed to create working directory: {}.", e);
+                return
+            }
+        }
+        if let Err(e) = env::set_current_dir(&workdir) {
+            eprintln!("Failed to move to working directory: {}.", e);
+            return
+        }
+    }
+    // Process each configuration.
+    for config in &root_config.configurations {
+        process_config(config);
+    }
+}
+
+#[derive(Debug, serde::Deserialize)]
+struct Configuration {
+    name: String,
+    mirrors: Vec<Mirror>,
+}
+
+#[derive(Debug, serde::Deserialize)]
+struct Mirror {
+    src: String,
+    dest: String,
+}
+
+fn process_config(config: &Configuration) {
+    println!("Processing config {}.", config.name);
+    // Move into the configuration directory.
+    let mut config_path = match env::current_dir() {
+        Ok(pb) => pb,
+        Err(e) => { eprintln!("Current directory is not available: {}.", e); return }
+    };
+    config_path.push(&config.name);
+    if !config_path.is_dir() {
+        if let Err(e) = fs::create_dir_all(&config_path) {
+            eprintln!("Failed to create working directory: {}.", e);
+            return
+        }
+    }
+    if let Err(e) = env::set_current_dir(&config_path) {
+        eprintln!("Failed to move to working directory: {}.", e);
+        return
+    }
+    // Mirror each repository in the configuration.
+    for mirror in &config.mirrors {
+        mirror_repo(&mirror.src, &mirror.dest);
+    }
+}
+
+fn mirror_repo(src_url: &str, dest_url: &str) -> bool {
+    clone(src_url)
+}
+
+fn run_git_command(args: Vec<&str>) -> bool {
+    let mut command = process::Command::new("git");
+    command.args(&args);
+    match command.status() {
+        Ok(status) => status.success(),
+        Err(e) => { eprintln!("Failed to run Git: {}", e); false }
+    }
+}
+
+fn clone(url: &str) -> bool {
+    run_git_command(vec!("clone", "--mirror", url))
+}