diff --git a/fish/.config/fish/conf.d/gitnow.fish b/fish/.config/fish/conf.d/gitnow.fish
index 6ce1a8c..9cd09d3 100644
--- a/fish/.config/fish/conf.d/gitnow.fish
+++ b/fish/.config/fish/conf.d/gitnow.fish
@@ -1,238 +1,399 @@
 # GitNow — Speed up your Git workflow. 🐠
 # https://github.com/joseluisq/gitnow
 
+function _gitnow_install -e gitnow_install
+    echo "Installing Gitnow..."
+
+    # download .gitnow example file
+    set -l config_file "$fish_snippets/.gitnow"
+    
+    echo "GitNow: Downloading default configuration file..."
+    curl -sSo $config_file https://raw.githubusercontent.com/joseluisq/gitnow/master/.gitnow
+    echo "GitNow: Configured and ready to use!"
+end
+
+function _gitnow_uninstall -e gitnow_uninstall
+    echo "Uninstalling Gitnow..."
+    command rm -f $fish_snippets/.gitnow
+end
+
 function gitnow -d "Gitnow: Speed up your Git workflow. 🐠" -a xversion
-  if [ "$xversion" = "-v" ]; or [ "$xversion" = "--version" ]
-    echo "GitNow version $gitnow_version"
-  else
-    __gitnow_manual | command less -r
-    commandline -f repaint;
-  end
+    if [ "$xversion" = "-v" ]; or [ "$xversion" = "--version" ]
+        echo "GitNow version $gitnow_version"
+    else
+        __gitnow_manual | command less -r
+        commandline -f repaint
+    end
 end
 
 function state -d "Gitnow: Show the working tree status in compact way"
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "state"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "state"
+        return
+    end
 
-  command git status -sb
-  commandline -f repaint;
+    command git status -sb
+    commandline -f repaint
 end
 
 function stage -d "Gitnow: Stage files in current working directory"
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "stage"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "stage"
+        return
+    end
 
-  set -l len (count $argv)
-  set -l opts .
+    set -l len (count $argv)
+    set -l opts .
 
-  if test $len -gt 0
-    set opts $argv
-  end
+    if test $len -gt 0
+        set opts $argv
+    end
 
-  command git add $opts
-  commandline -f repaint;
+    command git add $opts
+    commandline -f repaint
 end
 
 function unstage -d "Gitnow: Unstage files in current working directory"
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "unstage"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "unstage"
+        return
+    end
 
-  set -l len (count $argv)
-  set -l opts .
+    set -l len (count $argv)
+    set -l opts .
 
-  if test $len -gt 0
-    set opts $argv
-  end
+    if test $len -gt 0
+        set opts $argv
+    end
 
-  command git reset $opts
-  commandline -f repaint;
+    command git reset $opts
+    commandline -f repaint
+end
+
+function show -d "Gitnow: Show commit detail objects"
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "show"
+        return
+    end
+
+    set -l len (count $argv)
+
+    if test $len -gt 0
+        command git show $argv
+    else
+        command git show --compact-summary HEAD
+    end
+
+    commandline -f repaint
+end
+
+function untracked -d "Gitnow: Check for untracked files and directories on current working directory"
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "untracked"
+        return
+    end
+
+    command git clean --dry-run -d
+
+    commandline -f repaint
 end
 
 function commit -d "Gitnow: Commit changes to the repository"
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "commit"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "commit"
+        return
+    end
 
-  set -l len (count $argv)
+    set -l len (count $argv)
 
-  if test $len -gt 0
-    command git commit $argv
-  else
-    command git commit
-  end
+    if test $len -gt 0
+        command git commit $argv
+    else
+        command git commit
+    end
 
-  commandline -f repaint;
+    commandline -f repaint
 end
 
 function commit-all -d "Gitnow: Add and commit all changes to the repository"
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "commit-all"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "commit-all"
+        return
+    end
 
-  stage
-  commit .
+    stage
+    commit .
 end
 
 function pull -d "Gitnow: Pull changes from remote server but saving uncommitted changes"
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "pull"; return; end
-
-  set -l len (count $argv)
-  set -l xorigin (__gitnow_current_remote)
-  set -l xbranch (__gitnow_current_branch_name)
-  set -l xcmd ""
-  
-  echo "⚡️ Pulling changes..."
-
-  set -l xdefaults --rebase --autostash
-
-  if test $len -gt 2 
-    set xcmd $argv
-
-    echo "Mode: Manual"
-    echo "Default flags: $xdefaults"
-    echo
-  else
-    echo "Mode: Auto"
-    echo "Default flags: $xdefaults"
-
-    if test $len -eq 1
-      set xbranch $argv[1]
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "pull"
+        return
     end
 
-    if test $len -eq 2
-      set xorigin $argv[1]
-      set xbranch $argv[2]
+    set -l len (count $argv)
+    set -l xorigin (__gitnow_current_remote)
+    set -l xbranch (__gitnow_current_branch_name)
+    set -l xcmd ""
+
+    echo "⚡️ Pulling changes..."
+
+    set -l xdefaults --rebase --autostash
+
+    if test $len -gt 2
+        set xcmd $argv
+
+        echo "Mode: Manual"
+        echo "Default flags: $xdefaults"
+        echo
+    else
+        echo "Mode: Auto"
+        echo "Default flags: $xdefaults"
+
+        if test $len -eq 1
+            set xbranch $argv[1]
+        end
+
+        if test $len -eq 2
+            set xorigin $argv[1]
+            set xbranch $argv[2]
+        end
+
+        set xcmd $xorigin $xbranch
+        set -l xremote_url (command git config --get "remote.$xorigin.url")
+
+        echo "Remote URL: $xorigin ($xremote_url)"
+        echo "Remote branch: $xbranch"
+        echo
     end
 
-    set xcmd $xorigin $xbranch
-    set -l xremote_url (command git config --get "remote.$xorigin.url")
-
-    echo "Remote URL: $xorigin ($xremote_url)"
-    echo "Remote branch: $xbranch"
-    echo
-  end
-
-  command git pull $xcmd $xdefaults
-  commandline -f repaint;
+    command git pull $xcmd $xdefaults
+    commandline -f repaint
 end
 
 # Git push with --set-upstream
 # Shortcut inspired from https://github.com/jamiew/git-friendly
 function push -d "Gitnow: Push commit changes to remote repository"
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "push"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "push"
+        return
+    end
 
-  set -l opts $argv
-  set -l xorigin (__gitnow_current_remote)
-  set -l xbranch (__gitnow_current_branch_name)
+    set -l opts $argv
+    set -l xorigin (__gitnow_current_remote)
+    set -l xbranch (__gitnow_current_branch_name)
 
-  echo "🚀 Pushing changes..."
+    echo "🚀 Pushing changes..."
 
-  if test (count $opts) -eq 0
-    set opts $xorigin $xbranch
-    set -l xremote_url (command git config --get "remote.$xorigin.url")
+    if test (count $opts) -eq 0
+        set opts $xorigin $xbranch
+        set -l xremote_url (command git config --get "remote.$xorigin.url")
 
-    echo "Mode: Auto"
-    echo "Remote URL: $xorigin ($xremote_url)"
-    echo "Remote branch: $xbranch"
-  else
-    echo "Mode: Manual"
-  end
+        echo "Mode: Auto"
+        echo "Remote URL: $xorigin ($xremote_url)"
+        echo "Remote branch: $xbranch"
+    else
+        echo "Mode: Manual"
+    end
 
-  echo
+    echo
 
-  command git push --set-upstream $opts
-  commandline -f repaint;
+    command git push --set-upstream $opts
+    commandline -f repaint
 end
 
 function upstream -d "Gitnow: Commit all changes and push them to remote server"
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "upstream"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "upstream"
+        return
+    end
 
-  commit-all
-  push
+    commit-all
+    push
 end
 
 function feature -d "GitNow: Creates a new Gitflow feature branch from current branch" -a xbranch
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "feature"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "feature"
+        return
+    end
 
-  __gitnow_gitflow_branch "feature" $xbranch
-  commandline -f repaint;
+    __gitnow_gitflow_branch "feature" $xbranch
+    commandline -f repaint
 end
 
 function hotfix -d "GitNow: Creates a new Gitflow hotfix branch from current branch" -a xbranch
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "hotfix"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "hotfix"
+        return
+    end
 
-  __gitnow_gitflow_branch "hotfix" $xbranch
-  commandline -f repaint;
+    __gitnow_gitflow_branch "hotfix" $xbranch
+    commandline -f repaint
 end
 
 function bugfix -d "GitNow: Creates a new Gitflow bugfix branch from current branch" -a xbranch
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "bugfix"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "bugfix"
+        return
+    end
 
-  __gitnow_gitflow_branch "bugfix" $xbranch
-  commandline -f repaint;
+    __gitnow_gitflow_branch "bugfix" $xbranch
+    commandline -f repaint
 end
 
 function release -d "GitNow: Creates a new Gitflow release branch from current branch" -a xbranch
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "release"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "release"
+        return
+    end
 
-  __gitnow_gitflow_branch "release" $xbranch
-  commandline -f repaint;
+    __gitnow_gitflow_branch "release" $xbranch
+    commandline -f repaint
 end
 
-function move -d "GitNow: Switch from current branch to another but stashing uncommitted changes" -a xupstream -a xbranch
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "move"; return; end
-
-  if [ "$xupstream" != "-u" ]; and [ "$xupstream" != "--upstream" ]
-    set xbranch $xupstream
-    set xupstream ""
-  end
-
-  if test -n "$xbranch"
-    if [ "$xupstream" = "-u" ]; or [ "$xupstream" = "--upstream" ]
-      command git stash
-      command git fetch (__gitnow_current_remote) $xbranch
-      command git checkout $xbranch
-      command git stash pop
-    else
-      set -l xfound (__gitnow_check_if_branch_exist $xbranch)
-
-      if test $xfound -eq 1
-        if [ "$xbranch" = (__gitnow_current_branch_name) ]
-          echo "Branch `$xbranch` is the same like current branch. Nothing to do."
-        else
-          command git stash
-          command git checkout $xbranch
-          command git stash pop
-        end
-      else
-        echo "Branch `$xbranch` was not found. No possible to switch."
-        echo "Tip: Use -u (--upstream) flag to fetch a remote branch."
-      end
+function move -d "GitNow: Switch from current branch to another but stashing uncommitted changes"
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "move"
+        return
     end
-  else
-    echo "Provide a branch name to move."
-  end
 
-  commandline -f repaint;
+    set -l v_upstream
+    set -l v_no_apply_stash
+    set -l v_branch
+
+    for v in $argv
+        switch $v
+            case -u --upstream
+                set v_upstream $v
+            case -n --no-apply-stash
+                set v_no_apply_stash $v
+            case -nu -un
+                set v_upstream "-u"
+                set v_no_apply_stash "-n"
+            case -\*
+            case '*'
+                set v_branch $v
+        end
+    end
+
+    # No branch defined
+    if not test -n "$v_branch"
+        echo "Provide a valid branch name to switch to."
+
+        commandline -f repaint
+        return
+    end
+
+    set -l v_fetched 0
+
+    # Fetch branch from remote
+    if test -n "$v_upstream"
+        command git fetch (__gitnow_current_remote) $v_branch
+        set v_fetched 1
+    end
+
+    set -l v_found (__gitnow_check_if_branch_exist $v_branch)
+
+    # Branch was not found
+    if begin test $v_found -eq 0; and test $v_fetched -eq 0; end
+        echo "Branch `$v_branch` was not found locally. No possible to switch."
+        echo "Tip: Use -u (--upstream) flag to fetch a remote branch."
+
+        commandline -f repaint
+        return
+    end
+
+    # Prevent same branch switching
+    if [ "$v_branch" = (__gitnow_current_branch_name) ]
+        echo "Branch `$v_branch` is the same as current branch. Nothing to do."
+        commandline -f repaint
+        return
+    end
+
+    set -l v_uncommited (__gitnow_has_uncommited_changes)
+
+    # Stash changes before checkout for uncommited changes only
+    if test $v_uncommited
+        command git stash
+    end
+
+    command git checkout $v_branch
+
+    # --no-apply-stash
+    if test -n "$v_no_apply_stash"
+        echo "Stashed changes were not applied. Use `git stash pop` to apply them."
+    end
+
+    if begin test $v_uncommited; and not test -n "$v_no_apply_stash"; end
+        command git stash pop
+        echo "Stashed changes applied."
+    end
+
+    commandline -f repaint
 end
 
 function logs -d "Gitnow: Shows logs in a fancy way"
-  if not __gitnow_is_git_repository; __gitnow_msg_not_valid_repository "logs"; return; end
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "logs"
+        return
+    end
 
-  set -l args HEAD
+    set -l args HEAD
 
-  if test -n "$argv"
-    set args $argv
-  end
+    if test -n "$argv"
+        set args $argv
+    end
 
-  command git log $args --color --graph --pretty=format:"%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset" --abbrev-commit | command less -r
+    command git log $args --color --graph --pretty=format:"%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset" --abbrev-commit | command less -r
 
-  commandline -f repaint;
+    commandline -f repaint
+end
+
+function assume -d "Gitnow: Ignore files temporarily"
+    if not __gitnow_is_git_repository
+        __gitnow_msg_not_valid_repository "assume"
+        return
+    end
+
+    set -l v_assume_unchanged "--assume-unchanged"
+    set -l v_files
+
+    for v in $argv
+        switch $v
+            case -n --no-assume
+                set v_assume_unchanged "--no-assume-unchanged"
+            case -h --help
+                echo "NAME"
+                echo "      Gitnow: assume - Ignores changes in certain files temporarily"
+                echo "OPTIONS:"
+                echo "      -n --no-assume  No assume unchanged files to be ignored (revert option)"
+                echo "      -h --help       Show information about the options for this command"
+                return
+            case -\*
+            case '*'
+                set v_files $v_files $v
+        end
+    end
+
+    if test (count $v_files) -lt 1
+        echo "Provide files in order to ignore them temporarily. E.g `assume Cargo.lock`"
+        return
+    end
+
+    command git update-index $v_assume_unchanged $v_files
 end
 
 function github -d "Gitnow: Clone a GitHub repository using SSH"
-  set -l repo (__gitnow_clone_params $argv)
-  __gitnow_clone_repo $repo "github"
+    set -l repo (__gitnow_clone_params $argv)
+    __gitnow_clone_repo $repo "github"
 
-  commandline -f repaint;
+    commandline -f repaint
 end
 
 function bitbucket -d "Gitnow: Clone a Bitbucket Cloud repository using SSH"
-  set -l repo (__gitnow_clone_params $argv)
-  __gitnow_clone_repo $repo "bitbucket"
+    set -l repo (__gitnow_clone_params $argv)
+    __gitnow_clone_repo $repo "bitbucket"
 
-  commandline -f repaint;
+    commandline -f repaint
 end
diff --git a/fish/.config/fish/conf.d/gitnow_config.fish b/fish/.config/fish/conf.d/gitnow_config.fish
index 0dff4ca..6d33871 100644
--- a/fish/.config/fish/conf.d/gitnow_config.fish
+++ b/fish/.config/fish/conf.d/gitnow_config.fish
@@ -7,7 +7,7 @@ set -q fish_snippets; or set -g fish_snippets "$fish_config/conf.d"
 set -q fish_functions; or set -g fish_functions "$fish_config/functions"
 set -q GITNOW_CONFIG_FILE; or set -g GITNOW_CONFIG_FILE ~/.gitnow
 
-set -g gitnow_version 2.1.1
+set -g gitnow_version 2.4.0
 
 source "$fish_functions/__gitnow_functions.fish"
 source "$fish_functions/__gitnow_manual.fish"