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46 lines
2.4 KiB
VimL
46 lines
2.4 KiB
VimL
" dockerfile.vim - Syntax highlighting for Dockerfiles
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" Maintainer: Honza Pokorny <https://honza.ca>
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" Last Change: 2020 Feb 11
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" License: BSD
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" https://docs.docker.com/engine/reference/builder/
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if exists("b:current_syntax")
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finish
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endif
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syntax include @JSON syntax/json.vim
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unlet b:current_syntax
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syntax include @Shell syntax/sh.vim
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unlet b:current_syntax
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syntax case ignore
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syntax match dockerfileLinePrefix /\v^\s*(ONBUILD\s+)?\ze\S/ contains=dockerfileKeyword nextgroup=dockerfileInstruction skipwhite
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syntax region dockerfileFrom matchgroup=dockerfileKeyword start=/\v^\s*(FROM)\ze(\s|$)/ skip=/\v\\\_./ end=/\v((^|\s)AS(\s|$)|$)/ contains=dockerfileOption
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syntax keyword dockerfileKeyword contained ADD ARG CMD COPY ENTRYPOINT ENV EXPOSE HEALTHCHECK LABEL MAINTAINER ONBUILD RUN SHELL STOPSIGNAL USER VOLUME WORKDIR
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syntax match dockerfileOption contained /\v(^|\s)\zs--\S+/
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syntax match dockerfileInstruction contained /\v<(\S+)>(\s+--\S+)*/ contains=dockerfileKeyword,dockerfileOption skipwhite nextgroup=dockerfileValue
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syntax match dockerfileInstruction contained /\v<(ADD|COPY)>(\s+--\S+)*/ contains=dockerfileKeyword,dockerfileOption skipwhite nextgroup=dockerfileJSON
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syntax match dockerfileInstruction contained /\v<(HEALTHCHECK)>(\s+--\S+)*/ contains=dockerfileKeyword,dockerfileOption skipwhite nextgroup=dockerfileInstruction
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syntax match dockerfileInstruction contained /\v<(CMD|ENTRYPOINT|RUN)>/ contains=dockerfileKeyword skipwhite nextgroup=dockerfileShell
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syntax match dockerfileInstruction contained /\v<(CMD|ENTRYPOINT|RUN)>\ze\s+\[/ contains=dockerfileKeyword skipwhite nextgroup=dockerfileJSON
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syntax match dockerfileInstruction contained /\v<(SHELL|VOLUME)>/ contains=dockerfileKeyword skipwhite nextgroup=dockerfileJSON
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syntax region dockerfileString contained start=/\v"/ skip=/\v\\./ end=/\v"/
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syntax region dockerfileJSON contained keepend start=/\v\[/ skip=/\v\\\_./ end=/\v$/ contains=@JSON
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syntax region dockerfileShell contained keepend start=/\v/ skip=/\v\\\_./ end=/\v$/ contains=@Shell
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syntax region dockerfileValue contained keepend start=/\v/ skip=/\v\\\_./ end=/\v$/ contains=dockerfileString
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syntax region dockerfileComment start=/\v^\s*#/ end=/\v$/
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set commentstring=#\ %s
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hi def link dockerfileString String
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hi def link dockerfileKeyword Keyword
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hi def link dockerfileComment Comment
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hi def link dockerfileOption Special
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let b:current_syntax = "dockerfile"
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