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| 1 | +" Vim indent file |
| 2 | +" Language: Justfile |
| 3 | +" Maintainer: Peter Benjamin <@pbnj> |
| 4 | +" Last Change: 2025 Jan 19 |
| 5 | +" Credits: The original author, Noah Bogart <https://github.com/NoahTheDuke/vim-just/> |
| 6 | + |
| 7 | +" Only load this indent file when no other was loaded yet. |
| 8 | +if exists("b:did_indent") |
| 9 | + finish |
| 10 | +endif |
| 11 | +let b:did_indent = 1 |
| 12 | + |
| 13 | +setlocal indentexpr=GetJustfileIndent() |
| 14 | +setlocal indentkeys=0},0),!^F,o,O,0=''',0=\"\"\" |
| 15 | + |
| 16 | +let b:undo_indent = "setlocal indentexpr< indentkeys<" |
| 17 | + |
| 18 | +if exists("*GetJustfileIndent") |
| 19 | + finish |
| 20 | +endif |
| 21 | + |
| 22 | +function GetJustfileIndent() |
| 23 | + if v:lnum < 2 |
| 24 | + return 0 |
| 25 | + endif |
| 26 | + |
| 27 | + let prev_line = getline(v:lnum - 1) |
| 28 | + let last_indent = indent(v:lnum - 1) |
| 29 | + |
| 30 | + if getline(v:lnum) =~ "\\v^\\s+%([})]|'''$|\"\"\"$)" |
| 31 | + return last_indent - shiftwidth() |
| 32 | + elseif prev_line =~ '\V#' |
| 33 | + return last_indent |
| 34 | + elseif prev_line =~ "\\v%([:{(]|^.*\\S.*%([^']'''|[^\"]\"\"\"))\\s*$" |
| 35 | + return last_indent + shiftwidth() |
| 36 | + elseif prev_line =~ '\\$' |
| 37 | + if v:lnum == 2 || getline(v:lnum - 2) !~ '\\$' |
| 38 | + if prev_line =~ '\v:\=@!' |
| 39 | + return last_indent + shiftwidth() + shiftwidth() |
| 40 | + else |
| 41 | + return last_indent + shiftwidth() |
| 42 | + endif |
| 43 | + endif |
| 44 | + elseif v:lnum > 2 && getline(v:lnum - 2) =~ '\\$' |
| 45 | + return last_indent - shiftwidth() |
| 46 | + elseif prev_line =~ '\v:\s*%(\h|\()' && prev_line !~ '\V:=' |
| 47 | + return last_indent + shiftwidth() |
| 48 | + endif |
| 49 | + |
| 50 | + return last_indent |
| 51 | +endfunction |
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