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# http://docker.com
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# See https://docs.docker.com/reference/builder
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*/?Dockerfile(\..+)?$ %{
set-option buffer filetype dockerfile
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook global WinSetOption filetype=dockerfile %{
require-module dockerfile
set-option window static_words %opt{dockerfile_static_words}
}
hook -group dockerfile-highlight global WinSetOption filetype=dockerfile %{
add-highlighter window/dockerfile ref dockerfile
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/dockerfile }
}
provide-module dockerfile %{
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/dockerfile regions
add-highlighter shared/dockerfile/code default-region group
add-highlighter shared/dockerfile/double_string region '"' '(?<!\\)(\\\\)*"' fill string
add-highlighter shared/dockerfile/single_string region "'" "'" fill string
add-highlighter shared/dockerfile/comment region '#' $ fill comment
evaluate-commands %sh{
# Grammar
keywords="ADD|ARG|CMD|COPY|ENTRYPOINT|ENV|EXPOSE|FROM|HEALTHCHECK|LABEL"
keywords="${keywords}|MAINTAINER|RUN|SHELL|STOPSIGNAL|USER|VOLUME|WORKDIR"
# Add the language's grammar to the static completion list
printf %s\\n "declare-option str-list dockerfile_static_words ONBUILD|${keywords}" | tr '|' ' '
# Highlight keywords
printf %s "
add-highlighter shared/dockerfile/code/ regex '^(?i)(ONBUILD\h+)?(${keywords})\b' 2:keyword
add-highlighter shared/dockerfile/code/ regex '^(?i)(ONBUILD)\h+' 1:keyword
"
}
add-highlighter shared/dockerfile/code/ regex (?<!\\)(?:\\\\)*\K\$\{[\w_]+\} 0:value
add-highlighter shared/dockerfile/code/ regex (?<!\\)(?:\\\\)*\K\$[\w_]+ 0:value
}
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