From 73be69cd99f5a4784fe69f5d78f423c72e837284 Mon Sep 17 00:00:00 2001
From: Benedikt Peetz <benedikt.peetz@b-peetz.de>
Date: Mon, 20 Jul 2026 12:57:36 +0200
Subject: chore: Commit

---
 crates/daemon/src/aclient/utils.rs | 92 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 crates/daemon/src/aclient/utils.rs

(limited to 'crates/daemon/src/aclient/utils.rs')

diff --git a/crates/daemon/src/aclient/utils.rs b/crates/daemon/src/aclient/utils.rs
new file mode 100644
index 00000000..cf515183
--- /dev/null
+++ b/crates/daemon/src/aclient/utils.rs
@@ -0,0 +1,92 @@
+pub(crate) fn get_hostname() -> String {
+    std::env::var("ATUIN_HOST_NAME")
+        .unwrap_or_else(|_| whoami::hostname().unwrap_or_else(|_| "unknown-host".to_string()))
+}
+
+pub(crate) fn get_username() -> String {
+    std::env::var("ATUIN_HOST_USER")
+        .unwrap_or_else(|_| whoami::username().unwrap_or_else(|_| "unknown-user".to_string()))
+}
+
+/// Returns a pair of the hostname and username, separated by a colon.
+pub(crate) fn get_host_user() -> String {
+    format!("{}:{}", get_hostname(), get_username())
+}
+
+/// Setup a [`SQLite`] database.
+///
+/// This takes care of correct locking, so that we avoid a race when setting up the database.
+macro_rules! setup_db {
+    (
+        $db_path:expr,
+        $a_timeout:expr,
+        $opts:expr,
+        $m_name:literal $(,)?
+    ) => {{
+        async fn migrate(pool: &SqlitePool) -> sqlx::Result<()> {
+            { sqlx::sqlx_macros::migrate!($m_name) }.run(pool).await?;
+            Ok(())
+        }
+
+        crate::aclient::utils::setup_db_inner($db_path, $a_timeout, $opts, migrate)
+    }};
+}
+pub(crate) use setup_db;
+
+use std::{os::fd::AsRawFd, path::Path, time::Duration};
+
+use fs_err::OpenOptions;
+use sqlx::{
+    SqlitePool,
+    sqlite::{SqliteConnectOptions, SqlitePoolOptions},
+};
+use tracing::debug;
+
+/// Helper for `setup_db!`
+pub(crate) async fn setup_db_inner(
+    db_path: &Path,
+    acquire_timeout: f64,
+    mk_opts: fn(&str) -> sqlx::Result<SqliteConnectOptions>,
+    migrate: impl AsyncFn(&SqlitePool) -> sqlx::Result<()>,
+) -> sqlx::Result<SqlitePool> {
+    async fn open_db(timeout: f64, opts: SqliteConnectOptions) -> sqlx::Result<SqlitePool> {
+        let pool = SqlitePoolOptions::new()
+            .acquire_timeout(Duration::from_secs_f64(timeout))
+            .connect_with(opts)
+            .await?;
+
+        Ok(pool)
+    }
+
+    {
+        let file = OpenOptions::new()
+            .read(true)
+            .write(true)
+            .create(true)
+            .open(db_path)?;
+
+        // Lock the db file while we are running the migrations.
+        // Why? Because there is a small chance that we start running migrations (e.g. as the daemon)
+        // and then another process is started, which will also try to run migrations.
+        // Essentially, one of the processes will receive with a SQLite UNIQUE constraint failure.
+        // So let's avoid that possibility from the start.
+        file.lock()?;
+
+        let pool = open_db(
+            acquire_timeout,
+            mk_opts(format!("/proc/self/fd/{}", file.as_raw_fd()).as_str())?,
+        )
+        .await?;
+
+        debug!("running sqlite database setup");
+
+        migrate(&pool).await?;
+
+        file.unlock()?;
+    }
+
+    let real_opts = mk_opts(db_path.to_str().expect("Should be utf-8"))?;
+    let pool = open_db(acquire_timeout, real_opts).await?;
+
+    Ok(pool)
+}
-- 
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