Create initial file import for atuin_histdb.

crates/atuin-client/src/import/atuin_histdb.rs

@@ -0,0 +1,73 @@
+// import old shell history from atuin-histdb file!
+// automatically hoover up all that we can find
+
+use std::path::{Path, PathBuf};
+
+use async_trait::async_trait;
+use eyre::{eyre, Result};
+
+use crate::database::{Sqlite, Database, current_context};
+use crate::settings::FilterMode;
+
+use super::Importer;
+use crate::history::History;
+use crate::import::Loader;
+
+pub struct AtuinExternalDb {
+    histdb: Vec<History>,
+}
+impl AtuinExternalDb {
+    pub fn histpath() -> Result<PathBuf> {
+        let path = Path::new("/tmp/history.db").to_path_buf();
+        if path.exists() {
+            Ok(path)
+        } else {
+            Err(eyre!("Could not find history file hardcodded at /tmp/history.db"))
+        }
+    }
+}
+
+/// Read db at given file, return vector of entries.
+async fn hist_from_db(dbpath: PathBuf) -> Result<Vec<History>> {
+    let db_to_migrate = Sqlite::new(dbpath, 0.1).await?;
+    let external_history = db_to_migrate.list(
+        &[FilterMode::Global],
+        &current_context(), // this is passed to list, but only used for the workspace
+        None,
+        false,
+        true,
+    ).await.unwrap();
+    // debug!("{}", external_history);
+    Ok(external_history)
+}
+
+#[async_trait]
+impl Importer for AtuinExternalDb {
+    const NAME: &'static str = "history.db";
+
+    /// Creates a new AtuinExternalDb imports the history
+    /// Does no duplicate checking.
+    async fn new() -> Result<Self> {
+        let dbpath = AtuinExternalDb::histpath()?;
+        let histdb_entry_vec = hist_from_db(dbpath).await?;
+        Ok(Self {
+            histdb: histdb_entry_vec,
+        })
+    }
+
+    async fn entries(&mut self) -> Result<usize> {
+        Ok(self.histdb.len())
+    }
+
+    async fn load(self, h: &mut impl Loader) -> Result<()> {
+        for entry in self.histdb {
+            h.push(entry).await?;
+        }
+        Ok(())
+    }
+}
+
+#[cfg(test)]
+mod test {
+    // TODO
+}

crates/atuin-client/src/import/mod.rs

@@ -18,6 +18,7 @@ pub mod xonsh;
 pub mod xonsh_sqlite;
 pub mod zsh;
 pub mod zsh_histdb;
+pub mod atuin_histdb;
 
 #[async_trait]
 pub trait Importer: Sized {

crates/atuin/src/command/client/import.rs

@@ -9,7 +9,7 @@ use atuin_client::{
     database::Database,
     history::History,
     import::{
-        bash::Bash, fish::Fish, nu::Nu, nu_histdb::NuHistDb, replxx::Replxx, resh::Resh,
+        atuin_histdb::AtuinExternalDb, bash::Bash, fish::Fish, nu::Nu, nu_histdb::NuHistDb, replxx::Replxx, resh::Resh,
         xonsh::Xonsh, xonsh_sqlite::XonshSqlite, zsh::Zsh, zsh_histdb::ZshHistDb, Importer, Loader,
     },
 };
@@ -40,6 +40,8 @@ pub enum Cmd {
     Xonsh,
     /// Import history from xonsh sqlite db
     XonshSqlite,
+    /// Import history from a separate atuin history.db file
+    AtuinExternalDb
 }
 
 const BATCH_SIZE: usize = 100;
@@ -116,6 +118,7 @@ impl Cmd {
             Self::NuHistDb => import::<NuHistDb, DB>(db).await,
             Self::Xonsh => import::<Xonsh, DB>(db).await,
             Self::XonshSqlite => import::<XonshSqlite, DB>(db).await,
+            Self::AtuinExternalDb => import::<AtuinExternalDb, DB>(db).await,
         }
     }
 }