118 lines
4.6 KiB
EmacsLisp
118 lines
4.6 KiB
EmacsLisp
;;; core/cli/env.el -*- lexical-binding: t; -*-
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(dispatcher! env
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(let ((env-file (abbreviate-file-name doom-env-file)))
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(pcase (car args)
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((or "refresh" "re")
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(doom-reload-env-file 'force))
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((or "enable" "auto")
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(setenv "DOOMENV" "1")
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(print! (green "Enabling auto-reload of %S") env-file)
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(doom-reload-env-file 'force)
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(print! (green "Done! `doom refresh' will now refresh your envvar file.")))
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("clear"
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(setenv "DOOMENV" nil)
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(unless (file-exists-p env-file)
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(user-error "%S does not exist to be cleared" env-file))
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(delete-file env-file)
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(print! (green "Disabled envvar file by deleting %S") env-file))
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(_
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(print! "%s\n\n%s"
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(bold (red "No valid subcommand provided."))
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"See `doom help env` to see available commands."))))
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"Manages your envvars file.
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env [SUBCOMMAND]
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Available subcommands:
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refresh Create or regenerate your envvar file
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auto enable auto-reloading of your envvars file (on `doom refresh`)
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clear deletes your envvar file (if it exists) and disables auto-reloading
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An envvars file (its location is controlled by the `doom-env-file' variable)
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will contain a list of environment variables scraped from your shell environment
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and loaded when Doom starts (if it exists). This is necessary when Emacs can't
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be launched from your shell environment (e.g. on MacOS or certain app launchers
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on Linux).
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To generate a file, run `doom env refresh`. If you'd like this file to be
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auto-reloaded when running `doom refresh`, run `doom env enable` instead (only
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needs to be run once).")
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;;
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;; Helpers
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(defvar doom-env-ignored-vars
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'("DBUS_SESSION_BUS_ADDRESS"
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"GPG_AGENT_INFO"
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"SSH_AGENT_PID"
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"SSH_AUTH_SOCK"
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;; Doom envvars
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"INSECURE"
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"DEBUG"
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"YES")
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"Environment variables to not save in `doom-env-file'.")
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(defvar doom-env-executable
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(if IS-WINDOWS
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"set"
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(executable-find "env"))
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"The program to use to scrape your shell environment with.
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It is rare that you'll need to change this.")
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(defvar doom-env-switches
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(if IS-WINDOWS
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"-c"
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"-ic") ; Execute in an interactive shell
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"The `shell-command-switch'es to use on `doom-env-executable'.
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This is a list of strings. Each entry is run separately and in sequence with
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`doom-env-executable' to scrape envvars from your shell environment.")
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;; Borrows heavily from Spacemacs' `spacemacs//init-spacemacs-env'.
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(defun doom-reload-env-file (&optional force-p)
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"Generates `doom-env-file', if it doesn't exist (or FORCE-P is non-nil).
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Runs `doom-env-executable' X times, where X = length of `doom-env-switches', to
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scrape the variables from your shell environment. Duplicates are removed. The
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order of `doom-env-switches' determines priority."
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(when (or force-p (not (file-exists-p doom-env-file)))
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(with-temp-file doom-env-file
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(message "%s envvars file at %S"
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(if (file-exists-p doom-env-file)
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"Regenerating"
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"Generating")
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(abbreviate-file-name doom-env-file))
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(let ((process-environment doom-site-process-environment))
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(insert
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(concat
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"# -*- mode: dotenv -*-\n"
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"# ---------------------------------------------------------------------------\n"
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"# This file was auto-generated by Doom by running:\n"
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"#\n"
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(format "# %s %s %s\n"
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shell-file-name
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doom-env-switches
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doom-env-executable)
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"#\n"
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"# It contains all environment variables scraped from your default shell\n"
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"# (excluding variables blacklisted in doom-env-ignored-vars).\n"
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"#\n"
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"# It is NOT safe to edit this file. Changes will be overwritten next time\n"
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"# that `doom env refresh` is executed. Alternatively, create your own env file\n"
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"# and load it with `(doom-load-env-vars FILE)`.\n"
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"#\n"
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"# To auto-regenerate this file when `doom reload` is run, use `doom env auto'\n"
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"# or set DOOMENV=1 in your shell environment/config.\n"
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"# ---------------------------------------------------------------------------\n\n"))
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;; temporarily unset ignored environment variables
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(dolist (var doom-env-ignored-vars)
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(setenv var nil))
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(let ((shell-command-switch doom-env-switches))
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(message "Scraping env from '%s %s %s'"
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shell-file-name
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shell-command-switch
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doom-env-executable)
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(insert (shell-command-to-string doom-env-executable)))))))
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