fix(turborepo): Better unlink Output (#5764)

`turbo unlink` previously would delete the entire configuration file
which is unnecessarily punishing, this switches to do the absolute
minimum change to the file.

Closes TURBO-1225

crates/turborepo-lib/src/commands/mod.rs

@@ -74,18 +74,6 @@ impl CommandBase {
         Ok(self.repo_config.get_mut().unwrap())
     }
 
-    // NOTE: This deletes the repo config file. It does *not* remove the
-    // `RepoConfig` struct from `CommandBase`. This is fine because we
-    // currently do not have any commands that delete the repo config file
-    // and then attempt to read from it.
-    pub fn delete_repo_config_file(&mut self) -> Result<()> {
-        let repo_config_path = get_repo_config_path(self.repo_root.borrow());
-        if repo_config_path.exists() {
-            std::fs::remove_file(repo_config_path)?;
-        }
-        Ok(())
-    }
-
     fn user_config_init(&self) -> Result<UserConfig, ConfigError> {
         UserConfigLoader::new(default_user_config_path()?)
             .with_token(self.args.token.clone())

crates/turborepo-lib/src/commands/unlink.rs

@@ -11,32 +11,41 @@ enum UnlinkSpacesResult {
 }
 
 fn unlink_remote_caching(base: &mut CommandBase) -> Result<()> {
-    base.delete_repo_config_file()
-        .context("could not unlink. Something went wrong")?;
+    let repo_config: &mut crate::config::RepoConfig = base.repo_config_mut()?;
+    let needs_disabling = repo_config.team_id().is_some() || repo_config.team_slug().is_some();
 
-    println!(
-        "{}",
-        base.ui.apply(GREY.apply_to("> Disabled Remote Caching"))
-    );
+    let output = if needs_disabling {
+        repo_config.set_team_id(None)?;
+        "> Disabled Remote Caching"
+    } else {
+        "> No Remote Caching config found"
+    };
+
+    println!("{}", base.ui.apply(GREY.apply_to(output)));
 
     Ok(())
 }
 
 fn unlink_spaces(base: &mut CommandBase) -> Result<()> {
+    let repo_config: &mut crate::config::RepoConfig = base.repo_config_mut()?;
+    let needs_disabling =
+        repo_config.space_team_id().is_some() || repo_config.space_team_slug().is_some();
+
+    if needs_disabling {
+        repo_config.set_space_team_id(None)?;
+    }
+
+    // Space config is _also_ in turbo.json.
     let result =
         remove_spaces_from_turbo_json(base).context("could not unlink. Something went wrong")?;
 
-    match result {
-        UnlinkSpacesResult::Unlinked => {
-            println!("{}", base.ui.apply(GREY.apply_to("> Unlinked Spaces")));
-        }
-        UnlinkSpacesResult::NoSpacesFound => {
-            println!(
-                "{}",
-                base.ui.apply(GREY.apply_to("> No Spaces config found"))
-            );
-        }
-    }
+    let output = match (needs_disabling, result) {
+        (_, UnlinkSpacesResult::Unlinked) => "> Unlinked Spaces",
+        (true, _) => "> Unlinked Spaces",
+        (false, UnlinkSpacesResult::NoSpacesFound) => "> No Spaces config found",
+    };
+
+    println!("{}", base.ui.apply(GREY.apply_to(output)));
 
     Ok(())
 }