Dockerfile-bash.sublime-syntax

%YAML 1.2
---
# http://www.sublimetext.com/docs/syntax.html
name: Dockerfile (with bash)

scope: source.dockerfile.bash

variables:
  identifier: '[[:alnum:]]+'
  onbuild_directive: (?i:(onbuild)\s+)?
  onbuild_commands_directive:
    "{{onbuild_directive}}(?i:add|arg|env|copy|expose|healthcheck|label|shell|stopsignal|user|volume|workdir)"
  nononbuild_commands_directive: (?i:maintainer)
  embeddable_directive: '{{onbuild_directive}}(?i:run|cmd|entrypoint)'
  from_directive: (?i:(from))\s+[^\s:@]+(?:[:@](\S+))?(?:\s+(?i:(as))\s+(\S+))?

contexts:
  main:
    - include: comments
    - match: ^(?i:arg)\s
      scope: keyword.control.dockerfile
    - include: from

  expect-container-tag:
    - match: ({{identifier}}(?:/{{identifier}})?)(?:([:@])(\S+))?
      captures:
        1: entity.name.label.dockerfile
        2: punctuation.separator.dockerfile
        3: constant.numeric.dockerfile
      pop: true

  from:
    - match: ^{{from_directive}}
      captures:
        1: keyword.control.from.dockerfile
        2: entity.name.enum.tag-digest
        3: keyword.control.dockerfile
        4: variable.stage-name
      push: body

  body:
    - include: comments
    - include: directives
    - include: from
    - include: invalid

  directives:
    - match: ^\s*({{embeddable_directive}})\b
      captures:
        1: keyword.control.dockerfile
      push:
        - match: (?=\s*\[)
          set: scope:source.json#arrays
          with_prototype:
            - match: \n
              pop: true
        - match: ""
          set: scope:source.shell.bash
          with_prototype:
            - include: scope:source.shell.bash#prototype
            - match: \n|^(?=\S)
              pop: true
    - match: ^\s*{{onbuild_commands_directive}}\s
      captures:
        0: keyword.control.dockerfile
        1: keyword.other.special-method.dockerfile
      push: scope:source.shell.bash#cmd-args
    - match: ^\s*{{nononbuild_commands_directive}}\s
      scope: keyword.control.dockerfile
      push: scope:source.shell.bash#cmd-args

  invalid:
    - match: ^[^A-Z\n](.*)$
      scope: invalid.illegal.dockerfile

  comments:
    - match: ^(\s*)((#).*$\n?)
      comment: comment.line
      captures:
        1: punctuation.whitespace.comment.leading.dockerfile
        2: comment.dockerfile
        3: punctuation.definition.comment.dockerfile