| " dockerfile.vim - Syntax highlighting for Dockerfiles |
| " Maintainer: Honza Pokorny <https://honza.ca> |
| " Version: 0.5 |
| |
| |
| if exists("b:current_syntax") |
| finish |
| endif |
| |
| let b:current_syntax = "dockerfile" |
| |
| syntax case ignore |
| |
| 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/ |
| highlight link dockerfileKeyword Keyword |
| |
| syntax region dockerfileString start=/\v"/ skip=/\v\\./ end=/\v"/ |
| highlight link dockerfileString String |
| |
| syntax match dockerfileComment "\v^\s*#.*$" |
| highlight link dockerfileComment Comment |
| |
| set commentstring=#\ %s |
| |
| " match "RUN", "CMD", and "ENTRYPOINT" lines, and parse them as shell |
| let s:current_syntax = b:current_syntax |
| unlet b:current_syntax |
| syntax include @SH syntax/sh.vim |
| let b:current_syntax = s:current_syntax |
| syntax region shLine matchgroup=dockerfileKeyword start=/\v^\s*(RUN|CMD|ENTRYPOINT)\s/ end=/\v$/ contains=@SH |
| " 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) |
