mirror of
https://github.com/theniceboy/.config.git
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112 lines
2.9 KiB
Bash
Executable file
112 lines
2.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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current_session_id="${1:-}"
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current_session_name="${2:-}"
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# Single tmux call to get all needed info
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IFS=$'\t' read -r detect_session_id detect_session_name term_width status_bg < <(
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tmux display-message -p '#{session_id} #{session_name} #{client_width} #{status-bg}' 2>/dev/null || echo ""
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)
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[[ -z "$current_session_id" ]] && current_session_id="$detect_session_id"
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[[ -z "$current_session_name" ]] && current_session_name="$detect_session_name"
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[[ -z "$status_bg" || "$status_bg" == "default" ]] && status_bg=black
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term_width="${term_width:-100}"
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inactive_bg="#373b41"
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inactive_fg="#c5c8c6"
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active_bg="${TMUX_THEME_COLOR:-#b294bb}"
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active_fg="#1d1f21"
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separator=""
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left_cap="█"
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max_width=18
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left_narrow_width=${TMUX_LEFT_NARROW_WIDTH:-80}
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is_narrow=0
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[[ "$term_width" =~ ^[0-9]+$ ]] && (( term_width < left_narrow_width )) && is_narrow=1
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normalize_session_id() {
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local value="$1"
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value="${value#\$}"
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printf '%s' "$value"
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}
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trim_label() {
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local value="$1"
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if [[ "$value" =~ ^[0-9]+-(.*)$ ]]; then
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printf '%s' "${BASH_REMATCH[1]}"
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else
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printf '%s' "$value"
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fi
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}
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extract_index() {
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local value="$1"
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if [[ "$value" =~ ^([0-9]+)-.*$ ]]; then
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printf '%s' "${BASH_REMATCH[1]}"
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else
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printf ''
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fi
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}
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sessions=$(tmux list-sessions -F '#{session_id}::#{session_name}' 2>/dev/null || true)
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if [[ -z "$sessions" ]]; then
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exit 0
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fi
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rendered=""
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prev_bg=""
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current_session_id_norm=$(normalize_session_id "$current_session_id")
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current_session_trimmed=$(trim_label "$current_session_name")
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while IFS= read -r entry; do
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[[ -z "$entry" ]] && continue
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session_id="${entry%%::*}"
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name="${entry#*::}"
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[[ -z "$session_id" ]] && continue
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session_id_norm=$(normalize_session_id "$session_id")
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segment_bg="$inactive_bg"
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segment_fg="$inactive_fg"
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trimmed_name=$(trim_label "$name")
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is_current=0
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if [[ "$session_id" == "$current_session_id" || "$session_id_norm" == "$current_session_id_norm" || "$trimmed_name" == "$current_session_trimmed" ]]; then
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is_current=1
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segment_bg="$active_bg"
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segment_fg="$active_fg"
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fi
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if (( is_narrow == 1 )); then
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if (( is_current == 1 )); then
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label="$trimmed_name" # active: show TITLE (trim N-)
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else
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idx=$(extract_index "$name")
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if [[ -n "$idx" ]]; then
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label="$idx"
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else
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label="$trimmed_name"
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fi
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fi
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else
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label="$trimmed_name" # wide: current behavior (TITLE everywhere)
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fi
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if (( ${#label} > max_width )); then
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label="${label:0:max_width-1}…"
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fi
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if [[ -z "$prev_bg" ]]; then
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rendered+="#[fg=${segment_bg},bg=${status_bg}]${left_cap}"
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else
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rendered+="#[fg=${prev_bg},bg=${segment_bg}]${separator}"
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fi
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rendered+="#[fg=${segment_fg},bg=${segment_bg}] ${label} "
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prev_bg="$segment_bg"
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done <<< "$sessions"
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if [[ -n "$prev_bg" ]]; then
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rendered+="#[fg=${prev_bg},bg=${status_bg}]${separator}"
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fi
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printf '%s' "$rendered"
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