Move user info gathering to its own workspace crate

8 files changed, 40 insertions, 10 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 8d62299..b98bff4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -590,6 +590,7 @@ dependencies = [
  "shlex",
  "tempfile",
  "thiserror",
+ "user-info",
 ]
 
 [[package]]
@@ -735,6 +736,13 @@ dependencies = [
 ]
 
 [[package]]
+name = "user-info"
+version = "0.1.0"
+dependencies = [
+ "nix 0.26.2",
+]
+
+[[package]]
 name = "utf8parse"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.toml b/Cargo.toml
index b273c83..1e98b29 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,7 @@ rexpect = "0.5.0"
 rustyline = { version = "11.0.0", default-features = false }
 shlex = "1.1.0"
 thiserror = "1.0.38"
+user-info = { path = "user-info" }
 
 [dev-dependencies]
 anyhow = "1.0.69"
@@ -21,3 +22,5 @@ assert_cmd = "2.0.8"
 get-port = "4.0.0"
 once_cell = "1.17.1"
 tempfile = "3.4.0"
+
+[workspace]
diff --git a/src/git.rs b/src/git.rs
index 753f53a..24b376d 100644
--- a/src/git.rs
+++ b/src/git.rs
@@ -1,10 +1,10 @@
 use crate::{
     parser::{GitReceivePackArgs, GitUploadPackArgs},
-    user::get_username,
     ShackleError,
 };
 use git2::{Repository, RepositoryInitOptions};
 use std::{path::PathBuf, process::Command};
+use user_info::get_username;
 
 pub struct GitInitResult {
     pub path: PathBuf,
diff --git a/src/lib.rs b/src/lib.rs
index b645918..99d8877 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,5 @@
 pub mod git;
 pub mod parser;
-pub mod user;
 
 use parser::*;
 use rustyline::error::ReadlineError;
diff --git a/src/user.rs b/src/user.rs
deleted file mode 100644
index 72aea8d..0000000
--- a/src/user.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-pub fn get_username() -> Option<String> {
-    let uid = nix::unistd::getuid();
-    nix::unistd::User::from_uid(uid)
-        .ok()
-        .flatten()
-        .map(|user| user.name)
-}
diff --git a/tests/cli.rs b/tests/cli.rs
index a370154..1daa850 100644
--- a/tests/cli.rs
+++ b/tests/cli.rs
@@ -1,8 +1,8 @@
 use anyhow::Result;
 use assert_cmd::{cargo::cargo_bin, Command};
 use rexpect::session::{spawn_command, PtySession};
-use shackle::user::get_username;
 use tempfile::TempDir;
+use user_info::get_username;
 
 struct TestContext {
     p: PtySession,
diff --git a/user-info/Cargo.toml b/user-info/Cargo.toml
new file mode 100644
index 0000000..63a3f7c
--- /dev/null
+++ b/user-info/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "user-info"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+nix = { version = "0.26.2", default-features = false, features = ["user"] }
diff --git a/user-info/src/lib.rs b/user-info/src/lib.rs
new file mode 100644
index 0000000..bd5ff42
--- /dev/null
+++ b/user-info/src/lib.rs
@@ -0,0 +1,20 @@
+use nix::unistd::{getuid, User};
+
+pub fn get_username() -> Option<String> {
+    let uid = getuid();
+    User::from_uid(uid).ok().flatten().map(|user| user.name)
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn it_returns_a_username() {
+        // We can't get too specific here because this is your actual username,
+        // but we at lease expect it to be some string, not None.
+        let username = get_username();
+        let username_len = username.unwrap().trim().len();
+        assert!(username_len > 0);
+    }
+}