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Add embedded shell script highlight to vim syntax

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This highlights `RUN`, `CMD`, and `ENTRYPOINT` lines using shell highlighting.  It doesn't bother detecting the JSON forms, but that's OK because JSON arrays highlight pretty reasonably with shell highlights. :)

Signed-off-by: Andrew "Tianon" Page <admwiggin@gmail.com>
This commit is contained in:
Tianon Gravi 2015-05-29 13:39:37 -07:00
parent 4c9fd72a91
commit 62d3b1bf2e
1 changed files with 8 additions and 0 deletions
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8
contrib/syntax/vim/syntax/dockerfile.vim
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@ -21,3 +21,11 @@ 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)