diff --git a/README.md b/README.md
index b4b4193..1f57f29 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,4 @@ mar does dotfiles
 ## Sources
 [oh-my-zsh git](https://kapeli.com/cheat_sheets/Oh-My-Zsh_Git.docset/Contents/Resources/Documents/index)
 [git-prevision](https://gist.github.com/TheCodeArtist/a90978ebca0ff6743036)
+[iTerm2 keymaps for tmux](https://web.archive.org/web/20230921160724/https://tangledhelix.com/blog/2012/04/28/iterm2-keymaps-for-tmux/)
diff --git a/fish/.config/fish/config.fish.symlink b/fish/.config/fish/config.fish.symlink
index 3543625..83e1309 100644
--- a/fish/.config/fish/config.fish.symlink
+++ b/fish/.config/fish/config.fish.symlink
@@ -31,7 +31,7 @@ for file in (string match -r '^.*\/path.fish$' $config_files)
 end
 
 # Load everything else, except completion.
-for file in (string match -v -r '^.*\/(path|completion)\.fish$' $config_files)
+for file in (string match -v -r '^.*\/(path|completion|install)\.fish$' $config_files)
   source $file
 end
 
diff --git a/git/.gitconfig.symlink b/git/.gitconfig.symlink
index 5ef39f3..572fa14 100644
--- a/git/.gitconfig.symlink
+++ b/git/.gitconfig.symlink
@@ -1,7 +1,4 @@
-# vim:set ft=toml sw=4 :
-
-[alias]
-    prevision =     nevermind = 
+# vim:set ft=gitconfig :
 
 [color]
     diff = always
diff --git a/git/install.fish b/git/install.fish
new file mode 100755
index 0000000..b52c8e9
--- /dev/null
+++ b/git/install.fish
@@ -0,0 +1,6 @@
+#!/usr/bin/env sh
+
+. "$DOT/homebrew/brew_utils.sh"
+
+brew_install "Github CLI" "gh"
+brew_install "Gitmoji" "gitmoji"
diff --git a/git/install.sh b/git/install.sh
index 5738159..76647e9 100755
--- a/git/install.sh
+++ b/git/install.sh
@@ -1,9 +1,5 @@
-#!/usr/bin/env bash
-# vim:set ft=bash:
+#!/usr/bin/env sh
 
-cd "$(dirname "${BASH_SOURCE[0]}")" \
-  && . "../homebrew/brew_utils.sh"
+. "$DOT/homebrew/brew_utils.sh"
 
 brew_install "Git" "git"
-brew_install "Github CLI" "gh"
-brew_install "Gitmoji" "gitmoji"
diff --git a/homebrew/brew.sh b/homebrew/brew.sh
index 23c9412..8260f3c 100755
--- a/homebrew/brew.sh
+++ b/homebrew/brew.sh
@@ -1,8 +1,6 @@
-#!/usr/bin/env bash
-# vim:set ft=bash:
+#!/usr/bin/env sh
 
-cd "$(dirname "${BASH_SOURCE[0]}")" \
-  && . "../script/utils.sh"
+. "$DOT/script/utils.sh"
 
 ################################################################################
 #                                   Install                                    #
@@ -10,10 +8,10 @@ cd "$(dirname "${BASH_SOURCE[0]}")" \
 
 install()
 {
-  if test ! $(which brew); then
+  if test ! "$(which brew)"; then
     NONINTERACTIVE=1 \
       /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" \
-      &> /dev/null
+      >/dev/null 2>&1
     
     print_result $? "Install"
   fi
@@ -25,18 +23,18 @@ install()
 
 add_to_path()
 {
-  if command -v brew &> /dev/null; then
+  if command -v brew >/dev/null 2>&1; then
     return
   fi
 
   HARDWARE="$(uname -m)"
   prefix=""
 
-  if [[ "$(uname)" == "Linux" ]]; then
+  if [ "$(uname)" = "Linux" ]; then
     prefix="/home/linuxbrew/.linuxbrew"
-  elif [[ "$HARDWARE" == "arm64" ]]; then
+  elif [ "$HARDWARE" = "arm64" ]; then
     prefix="/opt/homebrew"
-  elif [[ "$HARDWARE" == "x86_64" ]]; then
+  elif [ "$HARDWARE" = "x86_64" ]; then
     prefix="/usr/local"
   else
     print_error "Homebrew is only supported on macOS Intel/ARM or Linux!"
@@ -44,7 +42,7 @@ add_to_path()
 
   PATH="$prefix/bin:$PATH"
 
-  command -v brew &> /dev/null
+  command -v brew >/dev/null 2>&1
   print_result $? "Add to PATH"
 }
 
diff --git a/homebrew/brew_utils.sh b/homebrew/brew_utils.sh
index e6c931c..74c5607 100644
--- a/homebrew/brew_utils.sh
+++ b/homebrew/brew_utils.sh
@@ -1,13 +1,12 @@
-#!/user/bin/env bash
+#!/user/bin/env sh
 
-cd "$(dirname "${BASH_SOURCE[0]}")" \
-  && . "../script/utils.sh"
+. "$DOT/script/utils.sh"
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
 brew_prefix()
 {
-  local path=""
+  path=""
 
   if path="$(brew --prefix 2>/dev/null)"; then
     printf "%s" "$path"
@@ -20,7 +19,7 @@ brew_prefix()
 
 brew_tap()
 {
-  brew tap "$1" &>/dev/null
+  brew tap "$1" >/dev/null 2>&1
 }
 
 brew_update()
@@ -37,10 +36,10 @@ brew_upgrade()
 
 brew_install()
 {
-  declare -r FORMULA_READABLE_NAME="$1"
-  declare -r FORMULA="$2"
-  declare -r ARGUMENTS="$3"
-  declare -r TAP_VALUE="$4"
+  readonly FORMULA_READABLE_NAME="$1"
+  readonly FORMULA="$2"
+  readonly ARGUMENTS="$3"
+  readonly TAP_VALUE="$4"
 
   # Check that Homebrew is installed.
 
@@ -51,7 +50,7 @@ brew_install()
 
   # If 'brew tap' needs to be executed, check if it executed correctly.
 
-  if [[ -n "$TAP_VALUE" ]]; then
+  if [ -n "$TAP_VALUE" ]; then
     if ! brew_tap "$TAP_VALUE"; then
       print_error "$FORMULA_READABLE_NAME ('brew tap $TAP_VALUE' failed)"
       return 1
@@ -61,7 +60,7 @@ brew_install()
   # Install the specified formula.
 
   # shellcheck disable=SC2086
-  if brew list "$FORMULA" &>/dev/null; then
+  if brew list "$FORMULA" >/dev/null 2>&1; then
     print_success "$FORMULA_READABLE_NAME"
   else
     execute "brew install $FORMULA $ARGUMENTS" \
diff --git a/script/bootstrap.sh b/script/bootstrap.sh
index 75d6b10..9f0d376 100755
--- a/script/bootstrap.sh
+++ b/script/bootstrap.sh
@@ -244,6 +244,8 @@ main()
 
   "$DOT/homebrew/brew.sh"
 
+  "$DOT/git/install.sh"
+
   "$DOT/fish/install.sh"
 
   # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
diff --git a/tmux/.tmux.conf.copy b/tmux/.tmux.conf.copy
index b5b2df5..89bb2e0 100644
--- a/tmux/.tmux.conf.copy
+++ b/tmux/.tmux.conf.copy
@@ -35,6 +35,11 @@ bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel
 bind | split-window -h -c "#{pane_current_path}"
 bind - split-window -v -c "#{pane_current_path}"
 
+bind-key J resize-pane -D
+bind-key K resize-pane -U
+bind-key H resize-pane -L
+bind-key L resize-pane -R
+
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
 # Install tpm if not already installed.