tmux config update

tmux/scripts/pane_starship_title.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Args: <pane_pid> <pane_width> <pane_path> <pane_cmd>
+pid="${1:-}"
+width="${2:-80}"
+pane_path="${3:-$PWD}"
+pane_cmd="${4:-}"
+
+# Best-effort: inherit venv/conda from the pane's process env
+if [[ -n "$pid" ]]; then
+  ps_line=$(ps e -p "$pid" -o command= 2>/dev/null || true)
+  if [[ -n "$ps_line" ]]; then
+    venv=$(printf '%s' "$ps_line" | sed -n 's/.*[[:space:]]VIRTUAL_ENV=\([^[:space:]]*\).*/\1/p' | tail -n1)
+    conda_env=$(printf '%s' "$ps_line" | sed -n 's/.*[[:space:]]CONDA_DEFAULT_ENV=\([^[:space:]]*\).*/\1/p' | tail -n1)
+    conda_prefix=$(printf '%s' "$ps_line" | sed -n 's/.*[[:space:]]CONDA_PREFIX=\([^[:space:]]*\).*/\1/p' | tail -n1)
+    [[ -n "$venv" ]] && export VIRTUAL_ENV="$venv"
+    [[ -n "$conda_env" ]] && export CONDA_DEFAULT_ENV="$conda_env"
+    [[ -n "$conda_prefix" ]] && export CONDA_PREFIX="$conda_prefix"
+  fi
+fi
+
+strip_wrappers() {
+  # 1) strip ANSI, 2) strip bash \[\] and zsh %{ %}
+  perl -pe 's/\e\[[\d;]*[[:alpha:]]//g' | sed -E 's/\\\[|\\\]//g; s/%\{|%\}//g'
+}
+
+run_starship() {
+  local cfg
+  cfg="${STARSHIP_TMUX_CONFIG:-$HOME/.config/starship-tmux.toml}"
+  STARSHIP_LOG=error STARSHIP_CONFIG="$cfg" \
+    starship prompt --terminal-width "$width" | strip_wrappers | tr -d '\n'
+}
+
+fallback() {
+  # <cmd> — <last dir>
+  local last_dir
+  last_dir="${pane_path##*/}"
+  printf '%s — %s' "$pane_cmd" "$last_dir"
+}
+
+if command -v starship >/dev/null 2>&1; then
+  (cd "$pane_path" && run_starship) || fallback
+else
+  fallback
+fi
+