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feat(clipboard)!: use OSC 52 as fallback clipboard provider (#31730)

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We currently enable the OSC 52 clipboard provider by setting g:clipboard
when a list of conditions are met, one of which is that $SSH_TTY must be
set. We include this condition because often OSC 52 is not the best
clipboard provider, so if there are "local" providers available Nvim
should prefer those over OSC 52.

However, if no other providers are available, Nvim should use OSC 52
even when $SSH_TTY is not set. When a user is in an SSH session then the
checks for the other clipboard providers will still (typically) fail, so
OSC 52 continues to be enabled by default in SSH sessions.

This is marked as a breaking change because there are some cases where
OSC 52 wasn't enabled before and is now (or vice versa).
This commit is contained in:
Gregory Anders
2024-12-31 09:59:03 -06:00
committed by GitHub
parent 0bef3b911c
commit a389dc2f95
5 changed files with 37 additions and 41 deletions
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8
runtime/autoload/provider/clipboard.vim
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@@ -169,6 +169,14 @@ function! provider#clipboard#Executable() abort
let s:copy['*'] = s:copy['+']
let s:paste['*'] = s:paste['+']
return 'tmux'
elseif get(get(g:, 'termfeatures', {}), 'osc52') && &clipboard ==# ''
" Don't use OSC 52 when 'clipboard' is set. It can be slow and cause a lot
" of user prompts. Users can opt-in to it by setting g:clipboard manually.
let s:copy['+'] = v:lua.require'vim.ui.clipboard.osc52'.copy('+')
let s:copy['*'] = v:lua.require'vim.ui.clipboard.osc52'.copy('*')
let s:paste['+'] = v:lua.require'vim.ui.clipboard.osc52'.paste('+')
let s:paste['*'] = v:lua.require'vim.ui.clipboard.osc52'.paste('*')
return 'OSC 52'
endif
let s:err = 'clipboard: No clipboard tool. :help clipboard'