72 lines
2.5 KiB
EmacsLisp
72 lines
2.5 KiB
EmacsLisp
;;; auto-load-project.el --- Auto load elisp file on project open
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;; Copyright © 2019 Yann Esposito <yann@esposito.host>
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;;; Commentary:
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;;
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;;; Code:
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(provide :auto-load-project)
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(require 'projectile)
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(defvar y/trusted-gpg-key-fingerprints
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'("448E9FEF4F5B86DE79C1669B0000000000000000")
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"The list of GPG fingerprint you trust when decrypting a gpg file.
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You can retrieve the fingerprints of your own private keys
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with: `gpg --list-secret-keys' (take care of removing the
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spaces when copy/pasting here)")
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(defun y/get-encryption-key (file)
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"Return the fingerprint of they key that encrypted FILE."
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(string-trim-right
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(shell-command-to-string
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(concat
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"gpg --status-fd 1 --decrypt -o /dev/null " file " 2>/dev/null"
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"|grep DECRYPTION_KEY"
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"|awk '{print $4}'"))))
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(defun y/trusted-gpg-origin-p (file)
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"Return non-nil if the FILE is encrypted with a trusted key."
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(member (y/get-encryption-key file) y/trusted-gpg-key-fingerprints))
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(defconst y/project-file ".project.el.gpg"
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"Project configuration file name.")
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(defun y/init-project-el-auto-load ()
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"Initialize the autoload of .project.el.gpg for projects."
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(with-eval-after-load 'projectile
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(defvar y/loaded-projects (list)
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"Projects that have been loaded by `y/load-project-file'.")
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(defun y/load-project-file ()
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"Loads the `y/project-file' for a project. This is run once
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after the project is loaded signifying project setup."
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(interactive)
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(when (projectile-project-p)
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(lexical-let* ((current-project-root (projectile-project-root))
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(project-init-file (expand-file-name y/project-file current-project-root)))
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(when (and (not (member current-project-root y/loaded-projects))
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(file-exists-p project-init-file)
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(y/trusted-gpg-origin-p project-init-file))
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(message "Loading project init file for %s" (projectile-project-name))
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(condition-case ex
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(progn (load project-init-file)
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(add-to-list 'y/loaded-projects current-project-root)
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(message "%s loaded successfully" project-init-file))
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('error
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(message
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"There was an error loading %s: %s"
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project-init-file
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(error-message-string ex))))))))
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(add-hook 'find-file-hook #'y/load-project-file t)
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(add-hook 'dired-mode-hook #'y/load-project-file t)))
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(provide 'auto-load-project)
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;;; auto-load-project.el ends here
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