From 4fe29129c2a622b1ad5fcc870e0a41c9c3bba116 Mon Sep 17 00:00:00 2001
From: kitsunecafe <rowan@kitsu.cafe>
Date: Fri, 27 Sep 2024 23:53:28 -0500
Subject: [PATCH] initial commit

---
 .gitignore  |   1 +
 Cargo.lock  | 333 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |   8 ++
 src/main.rs |  49 ++++++++
 4 files changed, 391 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..a3d4481
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,333 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
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+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
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+ "utf8parse",
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+ "libc",
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..9c96b0c
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "swaprs"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+clap = { version = "4.5.18", features = ["derive"] }
+rand = "0.8.5"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..e6c03b8
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,49 @@
+use std::{
+    env, fs, io,
+    path::{Path, PathBuf},
+};
+
+use clap::Parser;
+use rand::distributions::{Alphanumeric, DistString};
+
+fn rename_or_copy<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> io::Result<()> {
+    match fs::rename(&from, &to) {
+        Ok(result) => Ok(result),
+        Err(_) => {
+            fs::copy(&from, &to)?;
+            fs::remove_file(from)?;
+            Ok(())
+        }
+    }
+}
+
+fn rand_string(len: usize) -> String {
+    Alphanumeric.sample_string(&mut rand::thread_rng(), len)
+}
+
+fn mktemp(len: usize) -> PathBuf {
+    let mut temp = env::temp_dir();
+    temp.push(format!("tmp.{}", rand_string(len)));
+    temp
+}
+
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    first: String,
+    second: String,
+}
+
+fn main() -> io::Result<()> {
+    let args = Args::parse();
+    let temp = mktemp(10);
+    let cwd = env::current_dir()?;
+
+    let first = Path::join(&cwd, args.first);
+    let second = Path::join(&cwd, args.second);
+
+    rename_or_copy(&first, &temp)?;
+    rename_or_copy(&second, &first)?;
+    rename_or_copy(&temp, &second)?;
+    Ok(())
+}