From 48a55a407b26a3040369ad0fdcc51aeafa677aa0 Mon Sep 17 00:00:00 2001
From: LMJW <heysuperming@gmail.com>
Date: Sun, 16 Aug 2020 16:27:32 +1000
Subject: [PATCH] fix(issue #558)

- check the existance of `Cargo.toml` at current working directory
  before checking 'DATABASE_URL' environment variable
---
 sqlx-cli/src/lib.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/sqlx-cli/src/lib.rs b/sqlx-cli/src/lib.rs
index b38261c64..1f1ca0598 100644
--- a/sqlx-cli/src/lib.rs
+++ b/sqlx-cli/src/lib.rs
@@ -1,7 +1,8 @@
 use crate::opt::{Command, DatabaseCommand, MigrateCommand};
-use anyhow::anyhow;
+use anyhow::{anyhow, bail};
 use dotenv::dotenv;
 use std::env;
+use std::path::Path;
 
 mod database;
 // mod migration;
@@ -13,6 +14,13 @@ mod prepare;
 pub use crate::opt::Opt;
 
 pub async fn run(opt: Opt) -> anyhow::Result<()> {
+    if !Path::new("Cargo.toml").exists() {
+        bail!(
+            r#"Failed to read `Cargo.toml`.
+hint: This command only works in the manifest directory of a Cargo package."#
+        );
+    }
+
     dotenv().ok();
 
     let database_url = match opt.database_url {