feat: Added the ability to auto-bootstrap workspace memory when in git repos

src/config/memory.rs

@@ -6,8 +6,8 @@ use log::warn;
 use serde::{Deserialize, Serialize};
 
 use crate::config::{
-    MEMORY_DIR_NAME, MEMORY_INDEX_FILE_NAME, WORKSPACE_MEMORY_DIR_NAME, WORKSPACE_MEMORY_FILE_NAME,
-    paths,
+    GIT_DIR_NAME, GITIGNORE_FILE_NAME, MEMORY_DIR_NAME, MEMORY_INDEX_FILE_NAME,
+    WORKSPACE_MEMORY_DIR_NAME, WORKSPACE_MEMORY_FILE_NAME, paths,
 };
 
 pub const DEFAULT_MEMORY_CAP_WITH_TOOLS: usize = 6_000;
@@ -46,6 +46,70 @@ pub fn discover_workspace_memory(start: &Path) -> Option<WorkspaceMemory> {
     None
 }
 
+pub fn find_git_root(start: &Path) -> Option<PathBuf> {
+    for dir in start.ancestors() {
+        if dir.join(GIT_DIR_NAME).exists() {
+            return Some(dir.to_path_buf());
+        }
+    }
+
+    None
+}
+
+pub fn bootstrap_workspace_memory(git_root: &Path) -> Result<PathBuf> {
+    let mem_dir = paths::workspace_memory_dir_for(git_root);
+    fs::create_dir_all(&mem_dir)
+        .with_context(|| format!("create memory dir {}", mem_dir.display()))?;
+
+    let index_path = mem_dir.join(MEMORY_INDEX_FILE_NAME);
+    if !index_path.exists() {
+        fs::write(&index_path, "# Workspace Memory Index\n\n")
+            .with_context(|| format!("write {}", index_path.display()))?;
+    }
+
+    let gitignore_appended = append_gitignore_entry(git_root)?;
+    let suffix = if gitignore_appended {
+        " (appended .coyote/memory/ to .gitignore)"
+    } else {
+        ""
+    };
+    warn!(
+        "auto-bootstrapped workspace memory at {}{}",
+        mem_dir.display(),
+        suffix
+    );
+
+    Ok(mem_dir)
+}
+
+fn append_gitignore_entry(git_root: &Path) -> Result<bool> {
+    let gitignore = git_root.join(GITIGNORE_FILE_NAME);
+    let entry = format!("{WORKSPACE_MEMORY_DIR_NAME}/{MEMORY_DIR_NAME}/");
+    let entry_no_slash = format!("{WORKSPACE_MEMORY_DIR_NAME}/{MEMORY_DIR_NAME}");
+
+    let existing = fs::read_to_string(&gitignore).unwrap_or_default();
+    let already_present = existing.lines().any(|line| {
+        let trimmed = line.trim();
+        trimmed == entry || trimmed == entry_no_slash
+    });
+
+    if already_present {
+        return Ok(false);
+    }
+
+    let new_content = if existing.is_empty() {
+        format!("{entry}\n")
+    } else if existing.ends_with('\n') {
+        format!("{existing}{entry}\n")
+    } else {
+        format!("{existing}\n{entry}\n")
+    };
+
+    fs::write(&gitignore, new_content).with_context(|| format!("write {}", gitignore.display()))?;
+
+    Ok(true)
+}
+
 #[derive(Debug, Clone, Deserialize, Serialize, Default)]
 pub struct MemoryFrontmatter {
     #[serde(default)]
@@ -514,4 +578,156 @@ mod tests {
 
         let _ = fs::remove_dir_all(&root);
     }
+
+    #[test]
+    fn find_git_root_returns_dir_containing_git_dir() {
+        let root = temp_root("git_root");
+        let repo = root.join("repo");
+        fs::create_dir_all(repo.join(GIT_DIR_NAME)).unwrap();
+
+        assert_eq!(find_git_root(&repo), Some(repo.clone()));
+
+        let _ = fs::remove_dir_all(&root);
+    }
+
+    #[test]
+    fn find_git_root_walks_up_from_nested_dir() {
+        let root = temp_root("git_root_walk");
+        let repo = root.join("repo");
+        fs::create_dir_all(repo.join(GIT_DIR_NAME)).unwrap();
+        let nested = repo.join("a").join("b").join("c");
+        fs::create_dir_all(&nested).unwrap();
+
+        assert_eq!(find_git_root(&nested), Some(repo));
+
+        let _ = fs::remove_dir_all(&root);
+    }
+
+    #[test]
+    fn find_git_root_treats_git_file_as_repo_marker() {
+        let root = temp_root("git_root_worktree");
+        let worktree = root.join("worktree");
+        fs::create_dir_all(&worktree).unwrap();
+        fs::write(
+            worktree.join(GIT_DIR_NAME),
+            "gitdir: /elsewhere/.git/worktrees/wt\n",
+        )
+        .unwrap();
+
+        assert_eq!(find_git_root(&worktree), Some(worktree));
+
+        let _ = fs::remove_dir_all(&root);
+    }
+
+    #[test]
+    fn find_git_root_returns_none_when_no_git() {
+        let root = temp_root("git_root_missing");
+        let bare = root.join("bare");
+        fs::create_dir_all(&bare).unwrap();
+
+        assert_eq!(find_git_root(&bare), None);
+
+        let _ = fs::remove_dir_all(&root);
+    }
+
+    #[test]
+    fn bootstrap_creates_structured_layout_and_index() {
+        let root = temp_root("bootstrap_layout");
+        let repo = root.join("repo");
+        fs::create_dir_all(repo.join(GIT_DIR_NAME)).unwrap();
+
+        let mem_dir = bootstrap_workspace_memory(&repo).unwrap();
+
+        assert_eq!(mem_dir, paths::workspace_memory_dir_for(&repo));
+        assert!(mem_dir.is_dir());
+        let index = mem_dir.join(MEMORY_INDEX_FILE_NAME);
+        assert!(index.exists());
+        let body = fs::read_to_string(&index).unwrap();
+        assert!(body.starts_with("# Workspace Memory Index"));
+
+        let _ = fs::remove_dir_all(&root);
+    }
+
+    #[test]
+    fn bootstrap_creates_gitignore_when_absent() {
+        let root = temp_root("bootstrap_gi_new");
+        let repo = root.join("repo");
+        fs::create_dir_all(repo.join(GIT_DIR_NAME)).unwrap();
+
+        bootstrap_workspace_memory(&repo).unwrap();
+
+        let gi = repo.join(GITIGNORE_FILE_NAME);
+        assert!(gi.exists());
+        let body = fs::read_to_string(&gi).unwrap();
+        assert!(body.contains(".coyote/memory/"));
+
+        let _ = fs::remove_dir_all(&root);
+    }
+
+    #[test]
+    fn bootstrap_appends_to_existing_gitignore_without_trailing_newline() {
+        let root = temp_root("bootstrap_gi_append");
+        let repo = root.join("repo");
+        fs::create_dir_all(repo.join(GIT_DIR_NAME)).unwrap();
+        fs::write(repo.join(GITIGNORE_FILE_NAME), "target/").unwrap();
+
+        bootstrap_workspace_memory(&repo).unwrap();
+
+        let body = fs::read_to_string(repo.join(GITIGNORE_FILE_NAME)).unwrap();
+        assert!(body.contains("target/"));
+        assert!(body.contains(".coyote/memory/"));
+        assert!(body.ends_with('\n'));
+
+        let _ = fs::remove_dir_all(&root);
+    }
+
+    #[test]
+    fn bootstrap_is_idempotent_on_gitignore_entry() {
+        let root = temp_root("bootstrap_gi_idempotent");
+        let repo = root.join("repo");
+        fs::create_dir_all(repo.join(GIT_DIR_NAME)).unwrap();
+        let original = "target/\n.coyote/memory/\n";
+        fs::write(repo.join(GITIGNORE_FILE_NAME), original).unwrap();
+
+        bootstrap_workspace_memory(&repo).unwrap();
+
+        let body = fs::read_to_string(repo.join(GITIGNORE_FILE_NAME)).unwrap();
+        assert_eq!(body, original, "gitignore must be untouched");
+
+        let _ = fs::remove_dir_all(&root);
+    }
+
+    #[test]
+    fn bootstrap_treats_entry_without_trailing_slash_as_present() {
+        let root = temp_root("bootstrap_gi_no_slash");
+        let repo = root.join("repo");
+        fs::create_dir_all(repo.join(GIT_DIR_NAME)).unwrap();
+        let original = ".coyote/memory\n";
+        fs::write(repo.join(GITIGNORE_FILE_NAME), original).unwrap();
+
+        bootstrap_workspace_memory(&repo).unwrap();
+
+        let body = fs::read_to_string(repo.join(GITIGNORE_FILE_NAME)).unwrap();
+        assert_eq!(body, original);
+
+        let _ = fs::remove_dir_all(&root);
+    }
+
+    #[test]
+    fn bootstrap_does_not_clobber_existing_index() {
+        let root = temp_root("bootstrap_existing_index");
+        let repo = root.join("repo");
+        fs::create_dir_all(repo.join(GIT_DIR_NAME)).unwrap();
+        let mem_dir = paths::workspace_memory_dir_for(&repo);
+        fs::create_dir_all(&mem_dir).unwrap();
+        let preserved = "# Custom Index\n\n- [[foo]]: keep me\n";
+        fs::write(mem_dir.join(MEMORY_INDEX_FILE_NAME), preserved).unwrap();
+
+        bootstrap_workspace_memory(&repo).unwrap();
+
+        let body = fs::read_to_string(mem_dir.join(MEMORY_INDEX_FILE_NAME)).unwrap();
+        assert_eq!(body, preserved);
+
+        let _ = fs::remove_dir_all(&root);
+    }
 }

src/config/mod.rs

@@ -143,6 +143,8 @@ const MEMORY_DIR_NAME: &str = "memory";
 const MEMORY_INDEX_FILE_NAME: &str = "MEMORY.md";
 const WORKSPACE_MEMORY_FILE_NAME: &str = "COYOTE.md";
 const WORKSPACE_MEMORY_DIR_NAME: &str = ".coyote";
+const GIT_DIR_NAME: &str = ".git";
+const GITIGNORE_FILE_NAME: &str = ".gitignore";
 const DEFAULT_VISIBLE_TOOLS: [&str; 18] = [
     "execute_command.sh",
     "execute_py_code.py",

src/function/memory.rs

@@ -8,7 +8,10 @@ use serde_json::{Value, json};
 
 use super::{FunctionDeclaration, JsonSchema};
 use crate::config::RequestContext;
-use crate::config::memory::{MemoryFile, MemoryFrontmatter, MemoryStore, WorkspaceMemory};
+use crate::config::memory::{
+    MemoryFile, MemoryFrontmatter, MemoryStore, WorkspaceMemory, bootstrap_workspace_memory,
+    find_git_root,
+};
 use crate::config::paths;
 
 pub const MEMORY_FUNCTION_PREFIX: &str = "memory__";
@@ -185,7 +188,7 @@ pub fn handle_memory_tool(ctx: &mut RequestContext, cmd_name: &str, args: &Value
 
             let target_dir = match scope.as_str() {
                 "global" => paths::global_memory_dir(),
-                "workspace" => workspace_write_dir(&store)?,
+                "workspace" => workspace_write_dir(&store, &cwd)?,
                 other => bail!("unknown scope '{}': use 'global' or 'workspace'", other),
             };
             let file = MemoryFile {
@@ -254,13 +257,19 @@ fn find_file(store: &MemoryStore, name: &str) -> Result<Option<MemoryFile>> {
         .find(|f| f.frontmatter.name == name))
 }
 
-fn workspace_write_dir(store: &MemoryStore) -> Result<PathBuf> {
+fn workspace_write_dir(store: &MemoryStore, cwd: &Path) -> Result<PathBuf> {
     match &store.workspace {
         Some(WorkspaceMemory::Structured { dir, .. }) => Ok(dir.clone()),
         Some(WorkspaceMemory::Lite { workspace_root, .. }) => {
             Ok(paths::workspace_memory_dir_for(workspace_root))
         }
-        None => bail!("no workspace memory discoverable; cannot write workspace-scoped memory"),
+        None => match find_git_root(cwd) {
+            Some(git_root) => bootstrap_workspace_memory(&git_root),
+            None => bail!(
+                "no workspace memory discoverable and not inside a git repository for auto-bootstrap. \
+                 If you want workspace memory, run `coyote --init-memory workspace`."
+            ),
+        },
     }
 }
 
@@ -425,7 +434,7 @@ mod tests {
             workspace: discover_workspace_memory(&workspace),
         };
 
-        let dir = workspace_write_dir(&store).unwrap();
+        let dir = workspace_write_dir(&store, &workspace).unwrap();
         assert_eq!(dir, structured);
 
         let _ = fs::remove_dir_all(&root);
@@ -443,14 +452,14 @@ mod tests {
             workspace: discover_workspace_memory(&workspace),
         };
 
-        let dir = workspace_write_dir(&store).unwrap();
+        let dir = workspace_write_dir(&store, &workspace).unwrap();
         assert_eq!(dir, workspace.join(".coyote").join("memory"));
 
         let _ = fs::remove_dir_all(&root);
     }
 
     #[test]
-    fn workspace_write_dir_errors_when_no_workspace() {
+    fn workspace_write_dir_errors_when_no_workspace_and_no_git() {
         let root = temp_root("ws_none");
         let bare = root.join("nowhere");
         fs::create_dir_all(&bare).unwrap();
@@ -460,8 +469,33 @@ mod tests {
             workspace: discover_workspace_memory(&bare),
         };
 
-        let err = workspace_write_dir(&store).unwrap_err();
-        assert!(err.to_string().contains("no workspace memory discoverable"));
+        let err = workspace_write_dir(&store, &bare).unwrap_err();
+        let msg = err.to_string();
+        assert!(msg.contains("no workspace memory discoverable"));
+        assert!(msg.contains("coyote --init-memory workspace"));
+
+        let _ = fs::remove_dir_all(&root);
+    }
+
+    #[test]
+    fn workspace_write_dir_auto_bootstraps_inside_git_repo() {
+        let root = temp_root("ws_bootstrap");
+        let repo = root.join("repo");
+        fs::create_dir_all(repo.join(".git")).unwrap();
+        let nested = repo.join("src").join("deep");
+        fs::create_dir_all(&nested).unwrap();
+
+        let store = MemoryStore {
+            global_dir: root.join("g"),
+            workspace: discover_workspace_memory(&nested),
+        };
+        assert!(store.workspace.is_none());
+
+        let dir = workspace_write_dir(&store, &nested).unwrap();
+        assert_eq!(dir, repo.join(".coyote").join("memory"));
+        assert!(dir.join("MEMORY.md").exists());
+        let gi = fs::read_to_string(repo.join(".gitignore")).unwrap();
+        assert!(gi.contains(".coyote/memory/"));
 
         let _ = fs::remove_dir_all(&root);
     }

src/main.rs

@@ -309,7 +309,7 @@ async fn run(
                 "# Global Memory\n\n<!-- Universal facts about you go here. The LLM uses this as always-on context. -->\n<!-- Drill files (when created) are listed below. -->\n",
             ),
             MemoryScope::Workspace => (
-                std::env::current_dir()?.join("COYOTE.md"),
+                env::current_dir()?.join("COYOTE.md"),
                 "# Workspace Memory\n\n<!-- Facts about this project go here. The LLM uses this as always-on context. -->\n",
             ),
         };