3 files changed, 5 insertions, 5 deletions
diff --git a/src/actions/create.rs b/src/actions/create.rs
index 20dbff7..c12d416 100644
--- a/src/actions/create.rs
+++ b/src/actions/create.rs
@@ -3,7 +3,7 @@ use anyhow::Result;
 
 use super::ActionOptions;
 
-pub fn create(command_options: ActionOptions, fs: &mut impl Fs) -> Result<()> {
+pub fn create(command_options: ActionOptions, fs: &impl Fs) -> Result<()> {
     let locations = Locations::from(&command_options);
     // FIXME: Re-add old repository deletion.
     // if locations.ka_path.exists() {
diff --git a/src/actions/shift.rs b/src/actions/shift.rs
index 8f37874..b9e62ac 100644
--- a/src/actions/shift.rs
+++ b/src/actions/shift.rs
@@ -10,7 +10,7 @@ use crate::{
 
 use super::ActionOptions;
 
-pub fn shift(command_options: ActionOptions, fs: &mut impl Fs, new_cursor: usize) -> Result<()> {
+pub fn shift(command_options: ActionOptions, fs: &impl Fs, new_cursor: usize) -> Result<()> {
     let locations = Locations::from(&command_options);
 
     let repository_index_path = locations.get_repository_index_path();
@@ -38,7 +38,7 @@ pub fn shift(command_options: ActionOptions, fs: &mut impl Fs, new_cursor: usize
             acc
         })
         .iter()
-        .map(|path| FileState::from_working(&locations, path))
+        .map(|path| FileState::from_working(fs, &locations, path))
         .collect();
 
     for state in affected_files_by_shift? {
diff --git a/src/actions/update.rs b/src/actions/update.rs
index 8201862..421d5b0 100644
--- a/src/actions/update.rs
+++ b/src/actions/update.rs
@@ -11,7 +11,7 @@ use crate::{
 
 use super::ActionOptions;
 
-pub fn update(command_options: ActionOptions, fs: &mut impl Fs) -> Result<()> {
+pub fn update(command_options: ActionOptions, fs: &impl Fs) -> Result<()> {
     let timestamp = SystemTime::now()
         .duration_since(SystemTime::UNIX_EPOCH)?
         .as_secs();
@@ -51,7 +51,7 @@ pub fn update(command_options: ActionOptions, fs: &mut impl Fs) -> Result<()> {
 }
 
 fn get_new_history_for_file<FS: Fs>(
-    fs: &mut FS,
+    fs: &FS,
     cursor: usize,
     file_state: &FileState,
     locations: &Locations,