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Tmux sessiongroup support -- Make ZSH_TMUX_AUTOCONNECT better on multiple concurrent terminals #12032

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Tmux sessiongroup support -- Make ZSH_TMUX_AUTOCONNECT better on multiple concurrent terminals #12032

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2b16c8d
Update README.md (new configuration variable)
kjelderg Oct 13, 2023
336941b
Update tmux.plugin.zsh (new configuration variable)
kjelderg Oct 13, 2023
f2a2816
Merge branch 'ohmyzsh:master' into tmux_sessiongroup
kjelderg Nov 9, 2023
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1 change: 1 addition & 0 deletions plugins/tmux/README.md
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Expand Up @@ -34,6 +34,7 @@ The plugin also supports the following:
| `ZSH_TMUX_AUTOSTART` | Automatically starts tmux (default: `false`) |
| `ZSH_TMUX_AUTOSTART_ONCE` | Autostart only if tmux hasn't been started previously (default: `true`) |
| `ZSH_TMUX_AUTOCONNECT` | Automatically connect to a previous session if it exits (default: `true`) |
| `ZSH_TMUX_SESSIONGROUP` | With `ZSH_TMUX_AUTOCONNECT` specified, connect to existing session group |
| `ZSH_TMUX_AUTOQUIT` | Automatically closes terminal once tmux exits (default: `ZSH_TMUX_AUTOSTART`) |
| `ZSH_TMUX_FIXTERM` | Sets `$TERM` to 256-color term or not based on current terminal support |
| `ZSH_TMUX_ITERM2` | Sets the `-CC` option for iTerm2 tmux integration (default: `false`) |
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27 changes: 23 additions & 4 deletions plugins/tmux/tmux.plugin.zsh
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Expand Up @@ -12,6 +12,8 @@ fi
# Automatically connect to a previous session if it exists
: ${ZSH_TMUX_AUTOCONNECT:=true}
# Automatically close the terminal when tmux exits
: ${ZSH_TMUX_SESSIONGROUP:=true}
# With ZSH_TMUX_AUTOCONNECT specified, connect to existing session group
: ${ZSH_TMUX_AUTOQUIT:=$ZSH_TMUX_AUTOSTART}
# Set term to screen or screen-256color based on current terminal support
: ${ZSH_TMUX_FIXTERM:=true}
Expand Down Expand Up @@ -78,10 +80,27 @@ function _zsh_tmux_plugin_run() {
[[ "$ZSH_TMUX_UNICODE" == "true" ]] && tmux_cmd+=(-u)

# Try to connect to an existing session.
if [[ -n "$ZSH_TMUX_DEFAULT_SESSION_NAME" ]]; then
[[ "$ZSH_TMUX_AUTOCONNECT" == "true" ]] && $tmux_cmd attach -t $ZSH_TMUX_DEFAULT_SESSION_NAME
else
[[ "$ZSH_TMUX_AUTOCONNECT" == "true" ]] && $tmux_cmd attach
if [[ "$ZSH_TMUX_AUTOCONNECT" == "true" ]]; then
if [[ "$ZSH_TMUX_SESSIONGROUP" == "true" ]]; then
# Instead of attaching, we can fairly freely run new-session which will
# give us a new session grouped with the specified target session.
# Adding `set-option destroy-unattached` discourages grouped sessions
# from accumulating over time
if [[ -n "$ZSH_TMUX_DEFAULT_SESSION_NAME" ]]; then
$tmux_cmd new-session -t $ZSH_TMUX_DEFAULT_SESSION_NAME \; set-option destroy-unattached
else
# The session group of 0 is a very rough guess. Probably better would be
# to grab it from `tmux ls -F '#{session_name}' | tail -n 1` and bail if
# there is none.
$tmux_cmd new-session -t 0 \; set-option destroy-unattached
fi
else
if [[ -n "$ZSH_TMUX_DEFAULT_SESSION_NAME" ]]; then
$tmux_cmd attach -t $ZSH_TMUX_DEFAULT_SESSION_NAME
else
$tmux_cmd attach
fi
fi
fi

# If failed, just run tmux, fixing the TERM variable if requested.
Expand Down