mirror of
https://github.com/NixOS/nixpkgs.git
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decb5802c9
Building packages requires package-build.el from Melpa, but installing packages only requires package.el. Packages from ELPA are already built, so there is no need to involve package-build.el.
43 lines
1.7 KiB
EmacsLisp
43 lines
1.7 KiB
EmacsLisp
(require 'package)
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(package-initialize)
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(require 'package-build)
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(setq package-build-working-dir (expand-file-name ".")
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package-build-archive-dir (expand-file-name "."))
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(defun melpa2nix-build-package ()
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(if (not noninteractive)
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(error "`melpa2nix-build-package' is to be used only with -batch"))
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(pcase command-line-args-left
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(`(,package ,version . ,files)
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(melpa2nix-package-build-archive package version files))))
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(defun melpa2nix-build-package-from-recipe ()
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(if (not noninteractive)
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(error "`melpa2nix-build-package' is to be used only with -batch"))
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(pcase command-line-args-left
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(`(,recipe-file ,version)
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(let* ((recipe (package-build--read-from-file recipe-file))
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(rcp (cdr recipe))
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(package (car recipe))
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(files (package-build--config-file-list rcp)))
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(melpa2nix-package-build-archive package version files)))))
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(defun melpa2nix-package-build-archive (name version files)
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"Build a package archive for package NAME."
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(package-build--message "\n;;; %s\n" name)
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(let* ((start-time (current-time))
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(archive-entry (package-build-package name
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version
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files
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package-build-working-dir
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package-build-archive-dir))
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(archive-file (package-build--archive-file-name archive-entry)))
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(progn
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(package-build--message "Built in %.3fs, finished at %s"
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(time-to-seconds (time-since start-time))
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(current-time-string))
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(princ (format "%s\n" archive-file)))))
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