Error if the CARGO_TARGET_DIR is an empty string

Andy-Python-Programmer · Andy-Python-Programmer · commit 9ceae6826e9c · 2020-12-05T13:20:22.000+11:00
diff --git a/src/cargo/util/config/mod.rs b/src/cargo/util/config/mod.rs
@@ -451,7 +451,7 @@ impl Config {
             Ok(Some(dir.clone()))
         } else if let Some(dir) = env::var_os("CARGO_TARGET_DIR") {
             if dir.to_str().unwrap().trim() == "" {
-                return Ok(Some(Filesystem::new(self.cwd.join("target"))));
+                anyhow::bail!("The CARGO_TARGET_DIR environment variable is an empty string. Try adding the target directory name to it or deleting the variable.")
             }
 
             Ok(Some(Filesystem::new(self.cwd.join(dir))))

Original file line number	Diff line number	Diff line change
`@@ -451,7 +451,7 @@ impl Config {`
`451`	`451`	`Ok(Some(dir.clone()))`
`452`	`452`	`} else if let Some(dir) = env::var_os("CARGO_TARGET_DIR") {`
`453`	`453`	`if dir.to_str().unwrap().trim() == "" {`
`454`		`- return Ok(Some(Filesystem::new(self.cwd.join("target"))));`
	`454`	`+ anyhow::bail!("The CARGO_TARGET_DIR environment variable is an empty string. Try adding the target directory name to it or deleting the variable.")`
`455`	`455`	`}`
`456`	`456`
`457`	`457`	`Ok(Some(Filesystem::new(self.cwd.join(dir))))`