103 lines
3.5 KiB
EmacsLisp
Executable File
103 lines
3.5 KiB
EmacsLisp
Executable File
;;; build-core.el --- Build bootstrap and logging -*- lexical-binding: t; -*-
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;;; Code:
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(require 'package)
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(defconst z/colour-reset "\033[0m")
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(defconst z/colour-bold "\033[1m")
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(defconst z/colour-dim "\033[2m")
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(defconst z/colour-green "\033[32m")
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(defconst z/colour-yellow "\033[33m")
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(defconst z/colour-cyan "\033[36m")
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(defconst z/colour-red "\033[31m")
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(defconst z/colour-blue "\033[34m")
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(defconst z/colour-magenta "\033[35m")
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(defun z/log (level fmt &rest args)
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"Emit a coloured build-log line.
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LEVEL is one of: info warn error step metric done.
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FMT and ARGS are passed to `format'."
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(let* ((msg (apply #'format fmt args))
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(prefix
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(pcase level
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('info (concat z/colour-cyan " INFO " z/colour-reset))
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('warn (concat z/colour-yellow " WARN " z/colour-reset))
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('error (concat z/colour-red " ERROR " z/colour-reset))
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('step (concat z/colour-blue z/colour-bold " ---- " z/colour-reset))
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('metric (concat z/colour-magenta " * " z/colour-reset))
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('done (concat z/colour-green z/colour-bold " OK " z/colour-reset))
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(_ " "))))
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(message "%s%s" prefix msg)))
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(defun z/log-separator (&optional label)
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"Print a separator line, optionally with LABEL."
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(if label
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(message "%s%s-- %s %s%s"
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z/colour-dim z/colour-bold label
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(make-string (max 0 (- 60 (length label))) ?-)
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z/colour-reset)
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(message "%s%s%s"
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z/colour-dim
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(make-string 66 ?-)
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z/colour-reset)))
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(defmacro z/with-timing (label &rest body)
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"Execute BODY, then log elapsed seconds under LABEL."
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(declare (indent 1))
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(let ((t0 (gensym "t0")))
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`(let ((,t0 (float-time)))
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(prog1 (progn ,@body)
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(z/log 'metric "%s took %.2fs" ,label (- (float-time) ,t0))))))
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(defun z/bootstrap-packages ()
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"Set up Emacs packages required by the build."
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(z/log-separator "Package setup")
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(setq package-user-dir (site-path ".packages"))
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(setq package-archives
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'(("melpa" . "https://melpa.org/packages/")
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("elpa" . "https://elpa.gnu.org/packages/")))
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(package-initialize)
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(z/with-timing "Package archive refresh"
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(unless package-archive-contents
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(z/log 'info "Refreshing package archive contents...")
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(condition-case err
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(package-refresh-contents)
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(error
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(z/log 'warn "Could not refresh archives: %s" (error-message-string err))))))
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(z/with-timing "htmlize install"
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(unless (package-installed-p 'htmlize)
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(z/log 'info "Installing htmlize...")
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(condition-case err
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(package-install 'htmlize)
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(error
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(z/log 'error "htmlize install failed: %s" (error-message-string err))
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(error "Cannot continue without htmlize")))))
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(require 'htmlize))
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(defun z/configure-org ()
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"Load Org export libraries and configure shared Org settings."
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(require 'ox-publish)
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(require 'cl-lib)
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(require 'json)
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(require 'org)
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(require 'ox)
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(require 'ox-html)
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(require 'ox-md)
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(setq org-publish-timestamp-directory (site-path ".org-timestamps/"))
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(setq org-html-htmlize-output-type 'css))
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(defun z/require-local (library)
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"Require local build LIBRARY with consistent error reporting."
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(condition-case err
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(progn
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(require library)
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(z/log 'done "Loaded %s" library))
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(error
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(z/log 'error "Failed to load %s: %s" library (error-message-string err))
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(error "Aborting: required library %s missing" library))))
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(provide 'build-core)
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;;; build-core.el ends here
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