1 files changed, 17 insertions, 0 deletions
diff --git a/src/rust.rs b/src/rust.rs
index 56778b1..10dc1a1 100644
--- a/src/rust.rs
+++ b/src/rust.rs
@@ -2,6 +2,7 @@ use crate::errors::BumperError;
 use cargo_edit::Manifest;
 use log::{debug, info};
 use std::path::{Path, PathBuf};
+use std::process::Command;
 use toml_edit::{Item, Value};
 
 pub struct Rust {
@@ -26,6 +27,7 @@ impl Rust {
         // debug!("Cargo.toml:\n{:#?}", self.cargo_toml);
         self.cargo_toml.set_version(version)?;
         self.cargo_toml.write()?;
+        self.update_cargo_lock()?;
 
         let dirname = self
             .dirname
@@ -40,6 +42,21 @@ impl Rust {
         );
         Ok(())
     }
+
+    fn update_cargo_lock(&self) -> Result<(), BumperError> {
+        info!("running cargo update in {}", self.dirname.display());
+        let output = Command::new("cargo")
+            .arg("update")
+            .current_dir(&self.dirname)
+            .output()
+            .map_err(|err| BumperError::CargoInvoke(self.dirname.to_path_buf(), err))?;
+        debug!("git exit code was {:?}", output.status.code());
+        if !output.status.success() {
+            let stderr = String::from_utf8_lossy(&output.stderr).into_owned();
+            return Err(BumperError::Cargo(self.dirname.to_path_buf(), stderr));
+        }
+        Ok(())
+    }
 }
 
 #[derive(Debug)]