Created
August 13, 2016 12:24
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Diff detection in vimscript
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| " this should echo '1' when entering 'diff mode' and '0' otherwise | |
| function! IsDiff(opt) | |
| let isdiff = 0 | |
| if v:progname =~ "diff" | |
| let isdiff = isdiff + 1 | |
| endif | |
| if &diff == 1 | |
| let isdiff = isdiff + 1 | |
| endif | |
| if a:opt =~ "scrollopt" | |
| if &scrollopt =~ "hor" | |
| let isdiff = isdiff + 1 | |
| endif | |
| endif | |
| return isdiff | |
| endfunction | |
| autocmd! VimEnter,OptionSet * echom IsDiff(expand('<amatch>')) |
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:help v:argvshould help, nowadays.