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# vim: ft=perl:
$pdf_mode = 1;
# With the following, `latexmk -pvc jobname.tex` opens a zathura instance for
# the generated PDF alongside an nvim editor, and sets up synctex from zathura
# to vim.
# create a vim rpc socket based on the filename
$pdf_previewer = 'SERVER=/tmp/vim-latexmk-`md5sum %T | cut -d\' \' -f1`;';
# zathura for viewing
$pdf_previewer .= 'zathura';
# -x for synctex: connect to the rpc socket, switch to the file and jump to the line
$pdf_previewer .= ' -x "nvim --headless --cmd';
$pdf_previewer .= ' \'let skt=sockconnect(\\"pipe\\",\\"$SERVER\\",{\\"rpc\\":1})';
# SwitchToFileOrOpen switches to a file or opens it if there is no window yet; see .vimrc
$pdf_previewer .= ' | call rpcrequest(skt,\\"nvim_command\\",\\"SwitchToFileOrOpen %{input}\\")';
$pdf_previewer .= ' | call rpcrequest(skt,\\"nvim_command\\",\\"%{line}\\")';
# mysteriously, we need `cd .` to fix the file name in the tabline
$pdf_previewer .= ' | call rpcrequest(skt,\\"nvim_command\\",\\"cd .\\")';
$pdf_previewer .= ' | call chanclose(skt)';
$pdf_previewer .= ' | quit\'"';
# final argument for zathura is the PDF
$pdf_previewer .= ' %S &';
# nvim for editing; start up the server as part of the command line
$pdf_previewer .= 'urxvt -e nvim';
$pdf_previewer .= ' --cmd "let g:server_name = serverstart(\'$SERVER\')"';
# this is for forward synctex; see .vim/after/ftplugin/tex.vim
$pdf_previewer .= ' --cmd "let g:synctex_zathura_pdf_filename = \'%S\'"';
$pdf_previewer .= ' %T';
push @extra_pdflatex_options, '-synctex=1' ;
push @extra_pdflatex_options, '-halt-on-error' ;
push @extra_pdflatex_options, '-file-line-error' ;
push @extra_pdflatex_options, '-interaction nonstopmode' ;
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