Config files and commands are line-based so it would be easiest to do
this so you had to prefix the command with a minimum version, eg:
>1.6:setw -g window-status-alert-fg colour228
<1.5:setw -g window-status-activity-fg colour228
Although personally I'm not entirely convinced this happens often enough
and with enough impact for it to be worth it. How many boxes do you use
tmux for long periods and need status bell colours? I have three, all
the others I use it just for long running jobs with a minimal config.
On Mon, Feb 20, 2012 at 11:13:05PM -0700, Joel Johnson wrote:
> I maintain a vcs repository with my collection of dotfiles, which
> includes tmux.conf. As I like to use a common set of dot files on most
> machines I use, the config changes in the 1.6 release have left me stuck
> with pre-1.6 and 1.6 config entries to achieve the desired result on all
> machines, some of which use 1.6 and others which I have less control
> over and have not yet been updated.
>
> I would like to request that the tmux.conf syntax include something
> similar to vim's config file evaluation, which allows conditional
> inclusion of config lines based on evaluation. The has(capability) of
> vim seems overkill, but being able to specify app versions (<,=,>) seems
> adequate.
>
> The effected snippets of what I had:
> set -g prefix `,"C-B"
> setw -g window-status-alert-fg colour228
> setw -g window-status-alert-attr dim
>
> The new content to try and cover both cases
> set -g prefix `
> set -g prefix2 "C-B" # tmux 1.6+ only
> bind ` send-prefix
> bind "C-B" send-prefix -2 # tmux 1.6+ only
>
> # Pre tmux 1.6
> setw -g window-status-alert-fg colour228
> setw -g window-status-alert-attr dim
> # tmux 1.6
> setw -g window-status-activity-fg colour228
> setw -g window-status-activity-attr dim
> setw -g window-status-bell-fg colour228
> setw -g window-status-bell-attr dim
> setw -g window-status-content-fg colour228
> setw -g window-status-content-attr dim
>
> The problem is that know I am guaranteed to get error messages for the
> statements for the incorrect version, which I would like to be able to
> exclude with something like:
>
> set -g prefix `
> bind ` send-prefix
>
> if {tmuxver} < 1.6
> set -g prefix `,"C-B"
> setw -g window-status-alert-fg colour228
> setw -g window-status-alert-attr dim
> endif
>
> if {tmuxver} = 1.6
> set -g prefix2 "C-B"
> bind "C-B" send-prefix -2
>
> setw -g window-status-activity-fg colour228
> setw -g window-status-activity-attr dim
> setw -g window-status-bell-fg colour228
> setw -g window-status-bell-attr dim
> setw -g window-status-content-fg colour228
> setw -g window-status-content-attr dim
> endif
>
> Joel
>
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