45 lines
1.8 KiB
Nix
45 lines
1.8 KiB
Nix
{ pkgs, ... }:
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pkgs.writeShellScript "start-tmux" ''
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live_sessions=$(${pkgs.tmux}/bin/tmux list-sessions 2>/dev/null)
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all_sessions=$(${pkgs.findutils}/bin/find -L ~/.config/tmux/sessions -type f -executable -printf '%f\n'| sort)
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TMUX_SESSIONS="$HOME/.config/tmux/sessions"
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# for some reason ~/.config/tmux/session doesn't work if made with quotes
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# TMUX_SESSIONS=$XDG_CONFIG_HOME/tmux/sessions
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if ! [ -z "$TMUX" ];then
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echo "Nested tmux sessions are a bad idea?"
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echo "If you want to really do this unset TMUX environment variable"
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exit 1
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fi
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IFS=$'\n'
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for live_session in $live_sessions;
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do
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live_session_name=$(echo $live_session | ${pkgs.coreutils}/bin/cut -d: -f1)
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if [ -z "''${all_sessions##*$live_session_name*}" ];then # see https://stackoverflow.com/questions/229551/how-to-check-if-a-string-contains-a-substring-in-bash
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all_sessions="$(echo "$all_sessions" | sed "s/$live_session_name/$live_session/g")"
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else
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all_sessions="$(echo -e "$all_sessions\n$live_session")"
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fi
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done
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session=$(echo "$all_sessions" | ${pkgs.fzf}/bin/fzf)
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session_name=$(echo $session | cut -d: -f1)
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if [ -z "$session" ];then
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exit 0
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fi
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if ! [ -z "''${session##*created*}" ];then
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if [ -x "$TMUX_SESSIONS/$session_name" ];then
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source $TMUX_SESSIONS/$session_name
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else
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echo $TMUX_SESSIONS/$session_name not found or is not executable
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exit 1
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fi
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fi
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if [ -z "''${session##*attached*}" ];then
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read -r -p "The session is already attached somewhere else. Attach it here too ? (y/N): " choice
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if [ "$choice" == "y" ] || [ "$choice" == "Y" ];then
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${pkgs.tmux}/bin/tmux attach-session -t$session_name
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fi
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else
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${pkgs.tmux}/bin/tmux attach-session -t$session_name
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fi
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''
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