refactor: Duplications reduced in order to align implementations of reading history files (#1247)

atuin-client/src/import/bash.rs

@@ -1,4 +1,4 @@
-use std::{fs::File, io::Read, path::PathBuf, str};
+use std::{path::PathBuf, str};
 
 use async_trait::async_trait;
 use directories::UserDirs;
@@ -8,6 +8,7 @@ use time::{Duration, OffsetDateTime};
 
 use super::{get_histpath, unix_byte_lines, Importer, Loader};
 use crate::history::History;
+use crate::import::read_to_end;
 
 #[derive(Debug)]
 pub struct Bash {
@@ -26,10 +27,7 @@ impl Importer for Bash {
     const NAME: &'static str = "bash";
 
     async fn new() -> Result<Self> {
-        let mut bytes = Vec::new();
+        let bytes = read_to_end(get_histpath(default_histpath)?)?;
-        let path = get_histpath(default_histpath)?;
-        let mut f = File::open(path)?;
-        f.read_to_end(&mut bytes)?;
         Ok(Self { bytes })
     }
 

atuin-client/src/import/fish.rs

@@ -1,7 +1,7 @@
 // import old shell history!
 // automatically hoover up all that we can find
 
-use std::{fs::File, io::Read, path::PathBuf};
+use std::path::PathBuf;
 
 use async_trait::async_trait;
 use directories::BaseDirs;
@@ -10,6 +10,7 @@ use time::OffsetDateTime;
 
 use super::{unix_byte_lines, Importer, Loader};
 use crate::history::History;
+use crate::import::read_to_end;
 
 #[derive(Debug)]
 pub struct Fish {
@@ -48,9 +49,7 @@ impl Importer for Fish {
     const NAME: &'static str = "fish";
 
     async fn new() -> Result<Self> {
-        let mut bytes = Vec::new();
+        let bytes = read_to_end(default_histpath()?)?;
-        let mut f = File::open(default_histpath()?)?;
-        f.read_to_end(&mut bytes)?;
         Ok(Self { bytes })
     }
 

atuin-client/src/import/mod.rs

@@ -1,3 +1,5 @@
+use std::fs::File;
+use std::io::Read;
 use std::path::PathBuf;
 
 use async_trait::async_trait;
@@ -74,6 +76,12 @@ where
     }
 }
 
+fn read_to_end(path: PathBuf) -> Result<Vec<u8>> {
+    let mut bytes = Vec::new();
+    let mut f = File::open(path)?;
+    f.read_to_end(&mut bytes)?;
+    Ok(bytes)
+}
 fn is_file(p: PathBuf) -> Result<PathBuf> {
     if p.is_file() {
         Ok(p)

atuin-client/src/import/nu.rs

@@ -1,7 +1,7 @@
 // import old shell history!
 // automatically hoover up all that we can find
 
-use std::{fs::File, io::Read, path::PathBuf};
+use std::path::PathBuf;
 
 use async_trait::async_trait;
 use directories::BaseDirs;
@@ -10,6 +10,7 @@ use time::OffsetDateTime;
 
 use super::{unix_byte_lines, Importer, Loader};
 use crate::history::History;
+use crate::import::read_to_end;
 
 #[derive(Debug)]
 pub struct Nu {
@@ -33,10 +34,7 @@ impl Importer for Nu {
     const NAME: &'static str = "nu";
 
     async fn new() -> Result<Self> {
-        let mut bytes = Vec::new();
+        let bytes = read_to_end(get_histpath()?)?;
-        let path = get_histpath()?;
-        let mut f = File::open(path)?;
-        f.read_to_end(&mut bytes)?;
         Ok(Self { bytes })
     }
 

atuin-client/src/import/resh.rs

@@ -1,4 +1,4 @@
-use std::{fs::File, io::Read, path::PathBuf};
+use std::path::PathBuf;
 
 use async_trait::async_trait;
 use directories::UserDirs;
@@ -10,6 +10,7 @@ use time::OffsetDateTime;
 
 use super::{get_histpath, unix_byte_lines, Importer, Loader};
 use crate::history::History;
+use crate::import::read_to_end;
 
 #[derive(Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
@@ -84,10 +85,7 @@ impl Importer for Resh {
     const NAME: &'static str = "resh";
 
     async fn new() -> Result<Self> {
-        let mut bytes = Vec::new();
+        let bytes = read_to_end(get_histpath(default_histpath)?)?;
-        let path = get_histpath(default_histpath)?;
-        let mut f = File::open(path)?;
-        f.read_to_end(&mut bytes)?;
         Ok(Self { bytes })
     }
 

atuin-client/src/import/zsh.rs

@@ -1,7 +1,7 @@
 // import old shell history!
 // automatically hoover up all that we can find
 
-use std::{fs::File, io::Read, path::PathBuf};
+use std::path::PathBuf;
 
 use async_trait::async_trait;
 use directories::UserDirs;
@@ -10,6 +10,7 @@ use time::OffsetDateTime;
 
 use super::{get_histpath, unix_byte_lines, Importer, Loader};
 use crate::history::History;
+use crate::import::read_to_end;
 
 #[derive(Debug)]
 pub struct Zsh {
@@ -46,10 +47,7 @@ impl Importer for Zsh {
     const NAME: &'static str = "zsh";
 
     async fn new() -> Result<Self> {
-        let mut bytes = Vec::new();
+        let bytes = read_to_end(get_histpath(default_histpath)?)?;
-        let path = get_histpath(default_histpath)?;
-        let mut f = File::open(path)?;
-        f.read_to_end(&mut bytes)?;
         Ok(Self { bytes })
     }