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tmux: refactor and simplify tmux function logic

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This commit is contained in:
Marc Cornellà 2018-08-03 22:06:26 +02:00
parent 19716a8e3d
commit f584de5930
1 changed files with 38 additions and 44 deletions
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82
plugins/tmux/tmux.plugin.zsh
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@ -1,6 +1,9 @@
#
# Aliases
#
if ! (( $+commands[tmux] )); then
print "zsh tmux plugin: tmux not found. Please install tmux before using this plugin." >&2
return 1
fi
# ALIASES
alias ta='tmux attach -t'
alias tad='tmux attach -d -t'
@ -9,85 +12,76 @@ alias tl='tmux list-sessions'
alias tksv='tmux kill-server'
alias tkss='tmux kill-session -t'
# Only run if tmux is actually installed
if ! which tmux &> /dev/null; then
print "zsh tmux plugin: tmux not found. Please install tmux before using this plugin." >&2
return 1
fi
# Configuration variables
#
# CONFIGURATION VARIABLES
# Automatically start tmux
[[ -n "$ZSH_TMUX_AUTOSTART" ]] || ZSH_TMUX_AUTOSTART=false
: ${ZSH_TMUX_AUTOSTART:=false}
# Only autostart once. If set to false, tmux will attempt to
# autostart every time your zsh configs are reloaded.
[[ -n "$ZSH_TMUX_AUTOSTART_ONCE" ]] || ZSH_TMUX_AUTOSTART_ONCE=true
: ${ZSH_TMUX_AUTOSTART_ONCE:=true}
# Automatically connect to a previous session if it exists
[[ -n "$ZSH_TMUX_AUTOCONNECT" ]] || ZSH_TMUX_AUTOCONNECT=true
: ${ZSH_TMUX_AUTOCONNECT:=true}
# Automatically close the terminal when tmux exits
[[ -n "$ZSH_TMUX_AUTOQUIT" ]] || ZSH_TMUX_AUTOQUIT=$ZSH_TMUX_AUTOSTART
: ${ZSH_TMUX_AUTOQUIT:=$ZSH_TMUX_AUTOSTART}
# Set term to screen or screen-256color based on current terminal support
[[ -n "$ZSH_TMUX_FIXTERM" ]] || ZSH_TMUX_FIXTERM=true
: ${ZSH_TMUX_FIXTERM:=true}
# Set '-CC' option for iTerm2 tmux integration
[[ -n "$ZSH_TMUX_ITERM2" ]] || ZSH_TMUX_ITERM2=false
: ${ZSH_TMUX_ITERM2:=false}
# The TERM to use for non-256 color terminals.
# Tmux states this should be screen, but you may need to change it on
# systems without the proper terminfo
[[ -n "$ZSH_TMUX_FIXTERM_WITHOUT_256COLOR" ]] || ZSH_TMUX_FIXTERM_WITHOUT_256COLOR="screen"
: ${ZSH_TMUX_FIXTERM_WITHOUT_256COLOR:=screen}
# The TERM to use for 256 color terminals.
# Tmux states this should be screen-256color, but you may need to change it on
# systems without the proper terminfo
[[ -n "$ZSH_TMUX_FIXTERM_WITH_256COLOR" ]] || ZSH_TMUX_FIXTERM_WITH_256COLOR="screen-256color"
: ${ZSH_TMUX_FIXTERM_WITH_256COLOR:=screen-256color}
# Determine if the terminal supports 256 colors
if [[ `tput colors` == "256" ]]; then
if [[ $(tput colors) == 256 ]]; then
export ZSH_TMUX_TERM=$ZSH_TMUX_FIXTERM_WITH_256COLOR
else
export ZSH_TMUX_TERM=$ZSH_TMUX_FIXTERM_WITHOUT_256COLOR
fi
# Set the correct local config file to use.
if [[ "$ZSH_TMUX_ITERM2" == "false" ]] && [[ -f $HOME/.tmux.conf || -h $HOME/.tmux.conf ]]; then
#use this when they have a ~/.tmux.conf
if [[ "$ZSH_TMUX_ITERM2" == "false" && -e "$HOME/.tmux.conf" ]]; then
export _ZSH_TMUX_FIXED_CONFIG="${0:h:a}/tmux.extra.conf"
else
#use this when they don't have a ~/.tmux.conf
export _ZSH_TMUX_FIXED_CONFIG="${0:h:a}/tmux.only.conf"
fi
# Wrapper function for tmux.
function _zsh_tmux_plugin_run() {
local tmux_cmd
tmux_cmd=(command tmux)
[[ "$ZSH_TMUX_ITERM2" == "true" ]] && tmux_cmd+="-CC"
[[ "$ZSH_TMUX_FIXTERM" == "true" ]] && tmux_cmd+=(-f $_ZSH_TMUX_FIXED_CONFIG)
if [[ -n "$@" ]]; then
# We have other arguments, just run them
\tmux $@
elif [[ "$ZSH_TMUX_AUTOCONNECT" == "true" ]]; then
# Try to connect to an existing session.
$tmux_cmd attach || $tmux_cmd new-session
if [[ "$ZSH_TMUX_AUTOQUIT" == "true" ]]; then
exit
fi
else
# Just run tmux, fixing the TERM variable if requested.
$tmux_cmd
if [[ "$ZSH_TMUX_AUTOQUIT" == "true" ]]; then
exit
fi
command tmux "$@"
return $?
fi
local -a tmux_cmd=(command tmux)
[[ "$ZSH_TMUX_ITERM2" == "true" ]] && tmux_cmd+=(-CC)
# Try to connect to an existing session.
if [[ "$ZSH_TMUX_AUTOCONNECT" == "true" ]]; then
$tmux_cmd attach
fi
# If failed, just run tmux, fixing the TERM variable if requested.
if [[ $? -ne 0 ]]; then
[[ "$ZSH_TMUX_FIXTERM" == "true" ]] && tmux_cmd+=(-f "$_ZSH_TMUX_FIXED_CONFIG")
$tmux_cmd new-session
fi
if [[ "$ZSH_TMUX_AUTOQUIT" == "true" ]]; then
exit
fi
}
# Use the completions for tmux for our function
compdef _tmux _zsh_tmux_plugin_run
# Alias tmux to our wrapper function.
alias tmux=_zsh_tmux_plugin_run
# Autostart if not already in tmux and enabled.
if [[ ! -n "$TMUX" && "$ZSH_TMUX_AUTOSTART" == "true" ]]; then
if [[ -z "$TMUX" && "$ZSH_TMUX_AUTOSTART" == "true" ]]; then
# Actually don't autostart if we already did and multiple autostarts are disabled.
if [[ "$ZSH_TMUX_AUTOSTART_ONCE" == "false" || "$ZSH_TMUX_AUTOSTARTED" != "true" ]]; then
export ZSH_TMUX_AUTOSTARTED=true