mirror of
https://github.com/jimeh/.emacs.d.git
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83 lines
2.7 KiB
EmacsLisp
83 lines
2.7 KiB
EmacsLisp
;;; siren-dockerfile.el --- jimeh's Emacs Siren: dockerfile-mode configuration.
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;;; Commentary:
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;; Basic configuration for dockerfile-mode.
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;;; Code:
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(require 'siren-lsp)
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(require 'siren-treesit)
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(if (fboundp 'dockerfile-ts-mode)
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;; Use built-in treesit support if available.
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(use-package dockerfile-ts-mode
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:straight (:type built-in)
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:mode
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"[/\\]\\(?:Containerfile\\|Dockerfile\\)\\(?:\\.[^/\\]*\\)?\\'"
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"\\.dockerfile\\'"
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:hook
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(dockerfile-ts-mode . siren-dockerfile-mode-setup)
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:init
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(require 'siren-treesit)
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(siren-treesit-prepare
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'dockerfile-ts-mode
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'(dockerfile "https://github.com/camdencheek/tree-sitter-dockerfile"))
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:config
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(siren-flycheck-setup-hadolint))
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;; Otherwise, fallback to regular dockerfile-mode.
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(use-package dockerfile-mode
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:hook (dockerfile-mode . siren-dockerfile-mode-setup)
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:config (siren-flycheck-setup-hadolint)))
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(defun siren-dockerfile-mode-setup ()
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"Shared setup for both `dockerfile-mode' and `dockerfile-ts-mode'."
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;; Disable semantic tokens as it typically causes an annoying delay with the
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;; syntax highlighting as you type. Essentially all new text is a very faded
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;; out grey color for the first 1-2 seconds as you type.
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(setq-local lsp-semantic-tokens-enable nil)
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(lsp)
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(lsp-format-buffer-on-save-mode +1)
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(when (fboundp 'flycheck-select-checker)
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(flycheck-select-checker 'hadolint)
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(flycheck-add-next-checker 'hadolint 'lsp)))
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;; Define fixed Hadolint checker, built-in checker expects lines to start
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;; with "<filename>:", but when input is provided via STDIN, the each line
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;; starts with "-:".
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(defun siren-flycheck-setup-hadolint()
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"Setup hadolint flycheck checker."
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(with-eval-after-load 'flycheck
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(flycheck-define-checker hadolint
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"A Dockerfile syntax checker using the hadolint.
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See URL `http://github.com/hadolint/hadolint/'."
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:command ("hadolint" "--no-color" "-")
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:standard-input t
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:error-patterns
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((error line-start
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"-:" line " " (id (one-or-more alnum)) " error: " (message)
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line-end)
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(warning line-start
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"-:" line " " (id (one-or-more alnum))
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" warning: " (message) line-end)
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(info line-start
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"-:" line " " (id (one-or-more alnum)) " info: " (message)
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line-end)
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(error line-start
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"-:" line ":" column " " (message)
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line-end))
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:error-filter
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(lambda (errors)
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(flycheck-sanitize-errors
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(flycheck-remove-error-file-names "/dev/stdin" errors)))
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:modes (dockerfile-mode dockerfile-ts-mode))
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(add-to-list 'flycheck-checkers 'hadolint)))
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(provide 'siren-dockerfile)
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;;; siren-dockerfile.el ends here
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