a few more tiny touch ups (#7)

* a few more tiny touch ups

* all praise clippy

5 files changed, 34 insertions, 31 deletions

diff --git a/src/command/mod.rs b/src/command/mod.rs
index 8d463bd6..4ac62385 100644
--- a/src/command/mod.rs
+++ b/src/command/mod.rs
@@ -1,4 +1,8 @@
+use eyre::Result;
 use structopt::StructOpt;
+use uuid::Uuid;
+
+use crate::local::database::Sqlite;
 
 mod history;
 mod import;
@@ -21,3 +25,18 @@ pub enum AtuinCmd {
     #[structopt(about = "generates a UUID")]
     Uuid,
 }
+
+impl AtuinCmd {
+    pub fn run(self, db: &mut Sqlite) -> Result<()> {
+        match self {
+            Self::History(history) => history.run(db),
+            Self::Import(import) => import.run(db),
+            Self::Server(server) => server.run(),
+
+            Self::Uuid => {
+                println!("{}", Uuid::new_v4().to_simple().to_string());
+                Ok(())
+            }
+        }
+    }
+}
diff --git a/src/local/database.rs b/src/local/database.rs
index e2df9ba5..8e4b00ef 100644
--- a/src/local/database.rs
+++ b/src/local/database.rs
@@ -1,7 +1,7 @@
 use chrono::Utc;
 use std::path::Path;
 
-use eyre::{eyre, Result};
+use eyre::Result;
 
 use rusqlite::{params, Connection};
 use rusqlite::{Transaction, NO_PARAMS};
@@ -125,16 +125,11 @@ impl Database for Sqlite {
                 where id = ?1",
         )?;
 
-        let mut iter = stmt.query_map(params![id], |row| {
+        let history = stmt.query_row(params![id], |row| {
             history_from_sqlite_row(Some(id.to_string()), row)
         })?;
 
-        let history = iter.next().unwrap();
-
-        match history {
-            Ok(i) => Ok(i),
-            Err(e) => Err(eyre!("could not find item: {}", e)),
-        }
+        Ok(history)
     }
 
     fn update(&self, h: &History) -> Result<()> {
diff --git a/src/local/history.rs b/src/local/history.rs
index 06a350fc..d88353f9 100644
--- a/src/local/history.rs
+++ b/src/local/history.rs
@@ -24,9 +24,9 @@ impl History {
         session: Option<String>,
         hostname: Option<String>,
     ) -> Self {
-        let session = session.unwrap_or_else(|| {
-            env::var("ATUIN_SESSION").unwrap_or_else(|_| Uuid::new_v4().to_simple().to_string())
-        });
+        let session = session
+            .or_else(|| env::var("ATUIN_SESSION").ok())
+            .unwrap_or_else(|| Uuid::new_v4().to_simple().to_string());
         let hostname =
             hostname.unwrap_or_else(|| hostname::get().unwrap().to_str().unwrap().to_string());
 
diff --git a/src/local/import.rs b/src/local/import.rs
index 858e5786..ddccc75a 100644
--- a/src/local/import.rs
+++ b/src/local/import.rs
@@ -4,9 +4,9 @@
 use std::io::{BufRead, BufReader, Seek, SeekFrom};
 use std::{fs::File, path::Path};
 
-use eyre::{eyre, Result};
+use eyre::{Result, WrapErr};
 
-use crate::local::history::History;
+use super::history::History;
 
 #[derive(Debug)]
 pub struct Zsh {
@@ -72,8 +72,6 @@ impl Iterator for Zsh {
 
         match self.file.read_line(&mut line) {
             Ok(0) => None,
-            Err(e) => Some(Err(eyre!("failed to parse line: {}", e))),
-
             Ok(_) => {
                 let extended = line.starts_with(':');
 
@@ -91,6 +89,7 @@ impl Iterator for Zsh {
                     )))
                 }
             }
+            Err(e) => Some(Err(e).wrap_err("failed to parse line")),
         }
     }
 }
diff --git a/src/main.rs b/src/main.rs
index 2dbeabfe..21241b83 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,7 +8,6 @@ use std::path::PathBuf;
 use directories::ProjectDirs;
 use eyre::{eyre, Result};
 use structopt::StructOpt;
-use uuid::Uuid;
 
 #[macro_use]
 extern crate log;
@@ -46,26 +45,17 @@ impl Atuin {
             let path = shellexpand::full(path)?;
             PathBuf::from(path.as_ref())
         } else {
-            let project_dirs =
-                ProjectDirs::from("com", "elliehuxtable", "atuin").ok_or_else(|| {
+            ProjectDirs::from("com", "elliehuxtable", "atuin")
+                .ok_or_else(|| {
                     eyre!("could not determine db file location\nspecify one using the --db flag")
-                })?;
-            let root = project_dirs.data_dir();
-            root.join("history.db")
+                })?
+                .data_dir()
+                .join("history.db")
         };
 
         let mut db = Sqlite::new(db_path)?;
 
-        match self.atuin {
-            AtuinCmd::History(history) => history.run(&mut db),
-            AtuinCmd::Import(import) => import.run(&mut db),
-            AtuinCmd::Server(server) => server.run(),
-
-            AtuinCmd::Uuid => {
-                println!("{}", Uuid::new_v4().to_simple().to_string());
-                Ok(())
-            }
-        }
+        self.atuin.run(&mut db)
     }
 }