Add vault modification tracking

- Record vault state changes in sheet operations - Track modifications
when creating, dropping, or updating sheets - Mark vault as unmodified
after syncing with upstream - Add vault_modified module with check and
sign functions

3 files changed, 40 insertions, 5 deletions

diff --git a/crates/vcs_data/src/constants.rs b/crates/vcs_data/src/constants.rs
index 6b4c963..088f8b0 100644
--- a/crates/vcs_data/src/constants.rs
+++ b/crates/vcs_data/src/constants.rs
@@ -78,6 +78,7 @@ pub const CLIENT_CONTENT_GITIGNORE: &str = "# Git support for JVCS Workspace
 # Ignore cached datas
 cached
 members";
+pub const CLIENT_FILE_VAULT_MODIFIED: &str = "./.jv/.vault_modified";
 
 // -------------------------------------------------------------------------------------
 
diff --git a/crates/vcs_data/src/data/local.rs b/crates/vcs_data/src/data/local.rs
index 22589fc..092ef7d 100644
--- a/crates/vcs_data/src/data/local.rs
+++ b/crates/vcs_data/src/data/local.rs
@@ -35,6 +35,7 @@ pub mod latest_file_data;
 pub mod latest_info;
 pub mod local_files;
 pub mod local_sheet;
+pub mod vault_modified;
 
 const SHEET_NAME: &str = "{sheet_name}";
 const ACCOUNT_NAME: &str = "{account}";
@@ -117,7 +118,6 @@ impl LocalWorkspace {
 
     /// Get the path to a local sheet.
     pub fn local_sheet_path(&self, member: &MemberId, sheet: &SheetName) -> PathBuf {
-        
         self.local_path.join(
             CLIENT_FILE_LOCAL_SHEET
                 .replace(ACCOUNT_NAME, member)
@@ -177,10 +177,11 @@ impl LocalWorkspace {
                         Box::pin(collect_sheet_paths(&path, suffix, paths)).await?;
                     } else if path.is_file()
                         && let Some(extension) = path.extension()
-                            && extension == suffix.trim_start_matches('.') {
-                                let formatted_path = format_path(path)?;
-                                paths.push(formatted_path);
-                            }
+                        && extension == suffix.trim_start_matches('.')
+                    {
+                        let formatted_path = format_path(path)?;
+                        paths.push(formatted_path);
+                    }
                 }
             }
             Ok(())
diff --git a/crates/vcs_data/src/data/local/vault_modified.rs b/crates/vcs_data/src/data/local/vault_modified.rs
new file mode 100644
index 0000000..125fb92
--- /dev/null
+++ b/crates/vcs_data/src/data/local/vault_modified.rs
@@ -0,0 +1,33 @@
+use crate::{constants::CLIENT_FILE_VAULT_MODIFIED, current::current_local_path};
+
+pub async fn check_vault_modified() -> bool {
+    let Some(current_dir) = current_local_path() else {
+        return false;
+    };
+
+    let record_file = current_dir.join(CLIENT_FILE_VAULT_MODIFIED);
+    if !record_file.exists() {
+        return false;
+    }
+
+    let Ok(contents) = tokio::fs::read_to_string(&record_file).await else {
+        return false;
+    };
+
+    matches!(contents.trim().to_lowercase().as_str(), "true")
+}
+
+pub async fn sign_vault_modified(modified: bool) -> bool {
+    let Some(current_dir) = current_local_path() else {
+        return false;
+    };
+
+    let record_file = current_dir.join(CLIENT_FILE_VAULT_MODIFIED);
+
+    let contents = if modified { "true" } else { "false" };
+
+    match tokio::fs::write(&record_file, contents).await {
+        Ok(_) => true,
+        Err(_) => false,
+    }
+}