77 lines
2.4 KiB
VimL
77 lines
2.4 KiB
VimL
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" Always use sessions on entry and exit:
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"
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" Examples:
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" Assuming [[ $(pwd) == ~/.vim/colors ]]
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" Actions vary based on if command line arguments were passed.
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"
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" Plugin doesn't load for:
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" - When vim is entered in exmode
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" - When vim is entered as a GUI
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"
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" $ vim
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" Called with no args:
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" // On entry:
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" // Source ~/.vim/colors/Session.vim if available
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" // On exit:
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" // If only one window and tab is open, DELETE the Session.vim file
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" // If multiple windows and/or tabs are open, OVERWRITE Session.vim
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"
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" $ vim ~/.vimrc
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" Called with args:
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" // On entry:
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" // Doesn't source any Session.vim
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" // On exit:
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" // If only one window and tab is open, DOES NOT DELETE Session.vim
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" // If multiple windows and/or tabs are open, OVERWRITE Session.vim
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"
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" $ ex
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" $ vim -e
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" // Won't run this plugin
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"
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" https://stackoverflow.com/questions/5142099/how-to-auto-save-vim-session-on-quit-and-auto-reload-on-start-including-split-wi
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" Save argc before Session.vim overwrites it
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let s:init_argc_len = argc()
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fu! SaveSess()
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" Don't delete or source Session.vim when explicit files were called.
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" Still overwrites old Session.vim if multiple windows are open on exit
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if (tabpagenr('$') == 1) && (winnr('$') == 1) && (s:init_argc_len == 0)
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execute 'silent! call delete("' . getcwd() . '/Session.vim")'
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elseif (tabpagenr('$') > 1) || (winnr('$') > 1)
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execute 'mksession! ' . getcwd() . '/Session.vim'
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endif
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endfunction
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fu! RestoreSess()
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if filereadable(getcwd() . '/Session.vim')
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execute 'source ' . getcwd() . '/Session.vim'
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endif
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endfunction
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" Don't run plugin if vim started in ex-mode or gui
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let s:is_no_run = (mode() =~# '^c') || has("gui_running")
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if !s:is_no_run
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" Only restore sessions without explict files being opened
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if s:init_argc_len == 0
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autocmd VimEnter * nested call RestoreSess()
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endif
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autocmd VimLeave * call SaveSess()
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endif
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" Testing from within vim
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fu! Testsavesess()
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if s:is_no_run
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echom 'Exmode or GUI detected: this plugin won''t effect any Session.vim files'
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elseif (tabpagenr('$') == 1) && (winnr('$') == 1) && (s:init_argc_len == 0)
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echom 'Deletes ' . getcwd() . '/Session.vim on exit'
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elseif (tabpagenr('$') > 1) || (winnr('$') > 1)
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echom 'Overwrites ' . getcwd() . '/Session.vim on exit'
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else
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echom 'Won''t touch anything'
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endif
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endfunction
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