8000 tmate fails with tmux 2.4 key bindings · Issue #108 · tmate-io/tmate · GitHub
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tmate fails with tmux 2.4 key bindings #108

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m1foley opened this issue May 10, 2017 · 9 comments
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tmate fails with tmux 2.4 key bindings #108

m1foley opened this issue May 10, 2017 · 9 comments

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@m1foley
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m1foley commented May 10, 2017 •
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On MacOS I have installed tmux 2.4 (brew install tmux) and tmate 2.2.1 (brew install tmate).

tmate starts up with an error:

/Users/mike/.tmux.conf:2: usage: send-keys [-lRM] [-t target-pane] key ...

My .tmux.conf binds keys in tmux 2.4 format:

bind-key -T copy-mode-vi 'v' send -X begin-selection

How do you advise using tmate with tmux 2.4? Is the only solution to downgrade tmux back to 2.3 (brew switch tmux 2.3_3; brew pin tmux)?
@m1foley
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m1foley commented May 11, 2017

Homebrew moving to tmux 2.4 is messing up the entire tmux ecosystem. I guess it's time tmate had its own issue similar to the ones the tmux plugins are seeing.

@nviennot
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ahh!
This means that tmate must be upgraded to the 2.4 version.
Will do it soon.

@mjs2600
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mjs2600 commented May 31, 2017

I made a ~/.tmate.conf file, which works well for now. Is there any way to tell tmate not to source ~/.tmux.conf?

@nviennot
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nviennot commented Jun 2, 2017

sadly no, maybe that should be an option.

@eschro-illumio
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tmate -f /dev/null loads defaults for me. (any non-existent file should work though)

@m1foley
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m1foley commented Nov 20, 2017

As a workaround, I have this in ~/.tmux.conf. It works with tmux 2.6 and tmate 2.2.1.

# Enable copying to clipboard from vi mode. Remap C-j for pane switching later.
# tmate is a fork of tmux 2.4, so it needs old keybindings.
# TODO: when tmate finally upgrades its tmux, remove this and
# `brew uninstall reattach-to-user-namespace`.
if-shell "pstree -p $$ | grep [t]mate" \
  'unbind c; bind c new-window -c "#{pane_current_path}"; \
  bind-key -t vi-copy v begin-selection; \
  bind-key -t vi-copy y copy-pipe "reattach-to-user-namespace pbcopy"; \
  unbind -t vi-copy C-j; '\
  'bind -T copy-mode-vi v send -X begin-selection; \
  bind -T copy-mode-vi V send -X select-line; \
  bind -T copy-mode-vi C-v send -X rectangle-toggle \; send -X begin-selection; \
  bind -T copy-mode-vi y send -X copy-pipe-and-cancel pbcopy; \
  bind -T copy-mode-vi Escape send -X cancel; \
  unbind -T copy-mode-vi C-j;'

@nviennot
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Because tmate didn't catch up with tmux, maybe the best thing to do for tmate is to not load the tmux configuration file by default?

@hh
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hh commented Oct 21, 2019

I'm on board with that.

@0xO0O0
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0xO0O0 commented Jul 22, 2021

can we update now please !!

@jkirk jkirk mentioned this issue Nov 16, 2022
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@hh @m1foley @nviennot @mjs2600 @0xO0O0 @eschro-illumio
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