227 lines
9.0 KiB
Bash
Executable File
227 lines
9.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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":"; command -v emacs >/dev/null || { >&2 echo "Emacs isn't installed"; exit 1; }
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":"; [[ $(emacs --version | head -n1) == *\ 2[0-2].[0-1].[0-9] ]] && { echo "You're running $(emacs --version | head -n1)"; echo "That version is too old to run the doctor. Check your PATH"; echo; exit 2; } || exec emacs --no-site-file --batch -l "$0" # -*-emacs-lisp-*-
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;; Uses a couple simple heuristics to locate issues with your environment that
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;; could interfere with running or setting up DOOM Emacs.
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;; In case it isn't defined (in really old versions of Emacs, like the one that
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;; ships with MacOS).
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(defvar user-emacs-directory (expand-file-name "~/.emacs.d/"))
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(unless (equal (expand-file-name user-emacs-directory)
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(expand-file-name "~/.emacs.d/"))
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(error "Couldn't find ~/.emacs.d"))
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;;
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(defvar doom-errors 0)
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(defmacro check! (cond &rest body)
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(declare (indent defun))
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`(when ,cond
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,@body
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(setq doom-errors (1+ doom-errors))))
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(defun indented (spc msg)
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(declare (indent defun))
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(with-temp-buffer
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(insert msg)
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(indent-rigidly (point-min) (point-max) spc)
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(buffer-string)))
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(defun autofill (&rest msgs)
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(declare (indent defun))
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(let ((fill-column 70))
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(with-temp-buffer
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(dolist (line msgs)
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(when line
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(insert line)))
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(fill-region (point-min) (point-max))
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(buffer-string))))
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(defun columns (cols length strings)
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(declare (indent defun))
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(with-temp-buffer
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(let ((sub-format (format "%%-%ds " (1- length)))
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col-format)
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(dotimes (i (1- cols))
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(setq col-format (concat col-format sub-format)))
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(setq col-format (concat col-format "%s"))
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(while strings
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(insert (apply #'format col-format
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(let (args)
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(dotimes (i cols (nreverse args))
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(push (if strings (pop strings) "") args))))
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"\n")))
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(buffer-string)))
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(defun color (code msg &rest args)
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(format "\e[%dm%s\e[%dm" code (apply #'format msg args) 0))
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(defalias 'msg! #'message)
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(defmacro error! (&rest args) `(message (color 1 (color 31 ,@args))))
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(defmacro warn! (&rest args) `(message (color 1 (color 33 ,@args))))
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(defmacro success! (&rest args) `(message (color 1 (color 32 ,@args))))
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(defmacro explain! (&rest args) `(message (indented 2 (autofill ,@args))))
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;;; Polyfills
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;; early versions of emacs won't have this
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(unless (fboundp 'string-match-p)
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(defun string-match-p (regexp string &optional start)
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(save-match-data
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(string-match regexp string &optional start))))
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;; --- start a'doctorin' --------------------------------------
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(msg! "%s\nRunning Emacs v%s"
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(color 1 "DOOM Doctor")
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(color 1 emacs-version))
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(when (boundp 'system-configuration-features)
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(msg! "Compiled with:\n%s" (indented 2 (autofill system-configuration-features))))
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(msg! "uname -a:\n%s" (indented 2 (autofill (shell-command-to-string "uname -a"))))
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(msg! "----\n")
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;; --- is emacs set up properly? ------------------------------
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(check! (version< emacs-version "25.1")
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(error! "Important: Emacs %s detected [%s]" emacs-version (executable-find "emacs"))
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(explain!
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"DOOM only supports >= 25.1. Perhaps your PATH wasn't set up properly."
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(when (eq system-type 'darwin)
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(concat "\nMacOS users should use homebrew (https://brew.sh) to install Emacs\n"
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" brew install emacs --with-modules --with-imagemagick --with-cocoa"))))
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;; --- is the environment set up properly? --------------------
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;; gnutls-cli & openssl
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(unless (executable-find "gnutls-cli")
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(cond ((executable-find "openssl")
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(let* ((output (shell-command-to-string "openssl ciphers -v"))
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(protocols
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(let (protos)
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(mapcar (lambda (row)
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(add-to-list 'protos (cadr (split-string row " " t))))
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(split-string (shell-command-to-string "openssl ciphers -v") "\n"))
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(delq nil protos))))
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(check! (not (or (member "TLSv1.1" protocols)
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(member "TLSv1.2" protocols)))
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(let ((version (cadr (split-string (shell-command-to-string "openssl version") " " t))))
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(warn! "Warning: couldn't find gnutls-cli, and OpenSSL is out-of-date (v%s)" version)
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(explain!
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"This may not affect your Emacs experience, but there are security "
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"vulnerabilities in the SSL2/3 & TLS1.0 protocols. You should use "
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"TLS 1.1+, which wasn't introduced until OpenSSL v1.0.1.\n\n"
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"Please considering updating (or installing gnutls-cli, which is preferred).")))))
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(t
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(check! t
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(error! "Important: couldn't find either gnutls-cli or openssl")
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(explain!
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"You won't be able to install/update packages because Emacs won't be able to "
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"verify HTTPS ELPA sources. Install gnutls-cli or openssl v1.0.0+. If for some "
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"reason you can't, you can bypass this verification with the INSECURE flag:\n\n"
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" INSECURE=1 make install\n\n"
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"Or change `package-archives' to use non-https sources.\n\n"
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"But remember that you're leaving your security in the hands of your "
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"network, provider, government, neckbearded mother-in-laws, geeky roommates, "
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"or just about anyone who knows more about computers than you do!")))))
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;; git
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(check! (not (executable-find "git"))
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(error! "Important: couldn't find git"))
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;; windows? windows
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(check! (memq system-type '(windows-nt ms-dos cygwin))
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(warn! "Warning: Windows detected")
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(explain! "DOOM was designed for MacOS and Linux. Expect a bumpy ride!"))
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;; bsd vs gnu tar
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(let ((tar-bin (or (executable-find "gtar")
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(executable-find "tar"))))
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(if tar-bin
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(check! (not (string-match-p "(GNU tar)" (shell-command-to-string (format "%s --version" tar-bin))))
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(warn! "Warning: BSD tar detected")
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(explain!
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"QUELPA (through package-build) uses the system tar to build plugins, but it "
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"expects GNU tar. BSD tar *could* cause errors during package installation or "
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"updating from non-ELPA sources."
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(when (eq system-type 'darwin)
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(concat "\nMacOS users can install gnu-tar via homebrew:\n"
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" brew install gnu-tar"))))
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(check! t ; very unlikely
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(error! "Important: Couldn't find tar")
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(explain!
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"This is required by package.el and QUELPA to build packages and will "
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"prevent you from installing & updating packages."))))
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;; --- report! ------------------------------------------------
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(when (getenv "DEBUG")
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(msg! "\n====\nHave some debug information:\n")
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(let (doom-core-packages doom-debug-mode)
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(condition-case ex
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(progn
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(let ((inhibit-message t))
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(load "~/.emacs.d/core/core.el" nil t))
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(doom-initialize-packages)
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(success! " + Attempt to load DOOM: success! Loaded v%s" doom-version)
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(when (executable-find "git")
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(msg! " Revision %s"
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(or (ignore-errors
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(let ((default-directory user-emacs-directory))
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(shell-command-to-string "git rev-parse HEAD")))
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"\n"))))
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('error (warn! " + Attempt to load DOOM: failed\n %s\n" (or (cdr-safe ex) (car ex))))))
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(when (bound-and-true-p doom-modules)
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(msg! " + enabled modules:\n%s"
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(indented 4
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(columns 3 23
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(mapcar (lambda (x) (format "+%s" x))
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(mapcar #'cdr (doom--module-pairs)))))))
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(when (and (bound-and-true-p doom-packages)
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(require 'package nil t))
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(msg! " + enabled packages:\n%s"
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(indented 4
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(columns 2 35
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(mapcar (lambda (pkg)
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(let ((desc (cadr (assq pkg package-alist))))
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(when desc
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(package-desc-full-name desc))))
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(sort (mapcar #'car doom-packages) #'string-lessp))))))
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(msg! " + byte-compiled files:\n%s"
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(indented 4
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(columns 2 39
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(let ((files (append (directory-files-recursively doom-core-dir ".elc$")
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(directory-files-recursively doom-modules-dir ".elc$"))))
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(or (and files (mapcar (lambda (file) (file-relative-name file doom-emacs-dir))
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(nreverse files)))
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(list "n/a"))))))
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(msg! " + exec-path:\n%s"
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(indented 4
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(columns 1 79 exec-path)))
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(msg! " + PATH:\n%s"
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(indented 4
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(columns 1 79 (split-string (getenv "PATH") ":")))))
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;;
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(if (= doom-errors 0)
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(success! "Everything seems fine, happy Emacs'ing!")
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(message "\n----")
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(warn! "There were issues!")
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(unless (getenv "DEBUG")
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(msg! "\nHopefully these can help you find problems. If not, run this doctor again with DEBUG=1:")
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(msg! "\n DEBUG=1 make doctor\n")
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(msg! "And file a bug report with its output at https://github.com/hlissner/.emacs.d/issues")))
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