36 lines
1.3 KiB
VimL
36 lines
1.3 KiB
VimL
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'dockerfile') == -1
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" dockerfile.vim - Syntax highlighting for Dockerfiles
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" Maintainer: Honza Pokorny <https://honza.ca>
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" Version: 0.5
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if exists("b:current_syntax")
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finish
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endif
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let b:current_syntax = "dockerfile"
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syntax case ignore
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syntax match dockerfileKeyword /\v^\s*(ONBUILD\s+)?(ADD|ARG|CMD|COPY|ENTRYPOINT|ENV|EXPOSE|FROM|HEALTHCHECK|LABEL|MAINTAINER|RUN|SHELL|STOPSIGNAL|USER|VOLUME|WORKDIR)\s/
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highlight link dockerfileKeyword Keyword
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syntax region dockerfileString start=/\v"/ skip=/\v\\./ end=/\v"/
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highlight link dockerfileString String
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syntax match dockerfileComment "\v^\s*#.*$"
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highlight link dockerfileComment Comment
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set commentstring=#\ %s
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" match "RUN", "CMD", and "ENTRYPOINT" lines, and parse them as shell
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let s:current_syntax = b:current_syntax
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unlet b:current_syntax
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syntax include @SH syntax/sh.vim
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let b:current_syntax = s:current_syntax
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syntax region shLine matchgroup=dockerfileKeyword start=/\v^\s*(RUN|CMD|ENTRYPOINT)\s/ end=/\v$/ contains=@SH
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" since @SH will handle "\" as part of the same line automatically, this "just works" for line continuation too, but with the caveat that it will highlight "RUN echo '" followed by a newline as if it were a block because the "'" is shell line continuation... not sure how to fix that just yet (TODO)
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endif
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