vim: add plugins, tmux: status bar, fix Ctrl+A clash

- Add vim-gitgutter, vim-commentary, vim-surround via install
script
- Rebind git log widget from Ctrl+A to Ctrl+T (tmux prefix
clash)
- Add date, time, and battery indicator to tmux status
bar
- Set tmux clock colour to teal

Co-authored-by: Copilot
<223556219+Copilot@users.noreply.github.com>

home/.tmux.conf

@@ -61,7 +61,7 @@ set -g status-position bottom
 set -g status-interval 5
 set -g status-style "fg=#728cb8,bg=default"
 set -g status-left ""
-set -g status-right ""
+set -g status-right "#[fg=#808080]%a %d %b #[fg=#2cb494,bold]%H:%M #(~/.tmux/battery.sh)"
 set -g window-status-format " #I:#W "
 set -g window-status-current-format "#[fg=#2cb494,bold] #I:#W "
 set -g window-status-bell-style "fg=#f88c14,bold"
@@ -71,6 +71,7 @@ set -g message-style "fg=#2cb494,bg=default"
 set -g message-command-style "fg=#f88c14,bg=default"
 set -g mode-style "fg=default,bg=#728cb8,bold"
 
-# Auto-rename
+# Clock
+set -g clock-mode-colour "#2cb494"
 set -g automatic-rename on
 set -g automatic-rename-format '#{?#{==:#{pane_current_command},zsh},zsh:#{b:pane_current_path},#{pane_current_command}}'

home/.tmux/battery.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+# Battery indicator for tmux status bar.
+# Shows percentage only when on battery; amber when <=20%.
+
+pct=""
+charging=""
+
+if command -v pmset &>/dev/null; then
+    # macOS
+    info=$(pmset -g batt)
+    pct=$(echo "$info" | grep -o '[0-9]\+%' | head -1 | tr -d '%')
+    echo "$info" | grep -q 'AC Power' && charging=1
+elif [[ -f /sys/class/power_supply/BAT0/capacity ]]; then
+    # Linux
+    pct=$(cat /sys/class/power_supply/BAT0/capacity)
+    status=$(cat /sys/class/power_supply/BAT0/status)
+    [[ "$status" == "Charging" || "$status" == "Full" ]] && charging=1
+fi
+
+[[ -z "$pct" ]] && exit 0
+
+if [[ -n "$charging" ]]; then
+    echo "#[fg=#808080]AC#[default]"
+elif (( pct <= 20 )); then
+    echo "#[fg=#f88c14,bold]${pct}%#[default]"
+else
+    echo "#[fg=#808080]${pct}%#[default]"
+fi

home/.vimrc

@@ -16,6 +16,7 @@ set undolevels=1000
 set undoreload=10000
 set belloff=all
 set noerrorbells
+set signcolumn=yes
 
 set lazyredraw
 set synmaxcol=500
@@ -127,6 +128,9 @@ highlight Conceal guifg=#808080
 highlight CursorLine guibg=#0A2A1A gui=NONE
 highlight CursorColumn guibg=#0A2A1A
 highlight SignColumn guifg=#808080 guibg=NONE
+highlight GitGutterAdd guifg=#2CB494 guibg=NONE
+highlight GitGutterChange guifg=#4068D4 guibg=NONE
+highlight GitGutterDelete guifg=#F40404 guibg=NONE
 highlight WarningMsg guifg=#FCFC38
 highlight ErrorMsg guifg=#F40404 gui=bold
 highlight ModeMsg guifg=#CCE0D0 gui=bold

home/.zsh/widgets.zsh

@@ -91,7 +91,7 @@ _dots_load_keybindings() {
     zle -N _dots_find_in_files_widget
     bindkey '^F' _dots_find_in_files_widget
 
-    # Ctrl+A: git log browser
+    # Ctrl+Q: git log browser
     _dots_git_log_widget() {
         local commit
         commit="$(git log --oneline --color --decorate -50 2>/dev/null \
@@ -103,7 +103,7 @@ _dots_load_keybindings() {
         zle accept-line
     }
     zle -N _dots_git_log_widget
-    bindkey '^A' _dots_git_log_widget
+    bindkey '^Q' _dots_git_log_widget
 
     # Ctrl+K: command help lookup
     _dots_help_widget() {