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Improve bin/doctor's portability + revise feedback

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This commit is contained in:
Henrik Lissner 2017-05-21 20:25:30 +02:00
parent 2b5b09c39e
commit 22bab03692
1 changed files with 88 additions and 43 deletions
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131
bin/doctor
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@ -1,13 +1,13 @@
#!/bin/sh
":"; exec emacs --no-site-file --script "$0" -- "$@" # -*-emacs-lisp-*-
#!/usr/bin/env bash
":"; command -v emacs >/dev/null || { >&2 echo "Emacs isn't installed"; exit 1; }
":"; [[ $(emacs --version | head -n1) == *\ 2[0-2].[0-1].[0-9] ]] && echo 'Emacs version is too old, check your PATH' || exec emacs --no-site-file --batch -l "$0" # -*-emacs-lisp-*-
;; Uses a couple simple heuristics to locate issues with your environment that
;; could interfere with running or setting up DOOM Emacs.
(defconst IS-MAC (eq system-type 'darwin))
(require 'package)
(load "~/.emacs.d/core/autoload/message" nil t)
;; In case it isn't defined (in really old versions of Emacs, like the one that
;; ships with MacOS).
(defvar user-emacs-directory (expand-file-name "~/.emacs.d/"))
(unless (equal (expand-file-name user-emacs-directory)
(expand-file-name "~/.emacs.d/"))
@ -54,18 +54,31 @@
"\n")))
(buffer-string)))
(defmacro error! (&rest args) `(message! (bold (red ,@args))))
(defmacro warn! (&rest args) `(message! (bold (yellow ,@args))))
(defmacro success! (&rest args) `(message! (bold (green ,@args))))
(defmacro explain! (&rest args) `(message! (indented 2 (autofill ,@args))))
(defun color (code msg &rest args)
(format "\e[%dm%s\e[%dm" code (apply #'format msg args) 0))
;;
(message! "%s\nRunning Emacs v%s"
(bold "DOOM Doctor")
(bold emacs-version))
(message! "Compiled with:\n%s" (indented 2 (autofill system-configuration-features)))
(message! "uname -a:\n%s" (indented 2 (autofill (shell-command-to-string "uname -a"))))
(message "----\n")
(defalias 'msg! #'message)
(defmacro error! (&rest args) `(message (color 1 (color 31 ,@args))))
(defmacro warn! (&rest args) `(message (color 1 (color 33 ,@args))))
(defmacro success! (&rest args) `(message (color 1 (color 32 ,@args))))
(defmacro explain! (&rest args) `(message (indented 2 (autofill ,@args))))
;;; Polyfills
;; early versions of emacs won't have this
(unless (fboundp 'string-match-p)
(defun string-match-p (regexp string &optional start)
(save-match-data
(string-match regexp string &optional start))))
;; --- start a'doctorin' --------------------------------------
(msg! "%s\nRunning Emacs v%s"
(color 1 "DOOM Doctor")
(color 1 emacs-version))
(msg! "Compiled with:\n%s" (indented 2 (autofill system-configuration-features)))
(msg! "uname -a:\n%s" (indented 2 (autofill (shell-command-to-string "uname -a"))))
(msg! "----\n")
;; --- is emacs set up properly? ------------------------------
@ -74,20 +87,59 @@
(error! "Important: Emacs %s detected [%s]" emacs-version (executable-find "emacs"))
(explain!
"DOOM only supports >= 25.1. Perhaps your PATH wasn't set up properly."
(when IS-MAC
(when (eq system-type 'darwin)
(concat "\nMacOS users should use homebrew (https://brew.sh) to install Emacs\n"
" brew install emacs --with-modules --with-imagemagick --with-cocoa"))))
;; --- is the environment set up properly? --------------------
(check! (not (executable-find "git"))
(error! "Important: Couldn't find git"))
;; gnutls-cli & openssl
(unless (not (executable-find "gnutls-cli"))
(cond ((executable-find "openssl")
(let* ((output (shell-command-to-string "openssl ciphers -v"))
(protocols
(let (protos)
(mapcar (lambda (row)
(add-to-list 'protos (cadr (split-string row " " t))))
(split-string (shell-command-to-string "openssl ciphers -v") "\n"))
(delq nil protos))))
(check! (not (or (member "TLSv1.1" protocols)
(member "TLSv1.2" protocols)))
(let ((version (cadr (split-string (shell-command-to-string "openssl version") " " t))))
(warn! "Warning: couldn't find gnutls-cli, and OpenSSL is out-of-date (v%s)" version)
(explain!
"This may not affect your Emacs experience, but there are security "
"vulnerabilities in the SSL2/3 & TLS1.0 protocols. You should use "
"TLS 1.1+, which wasn't introduced until OpenSSL v1.0.1.\n\n"
"Please considering updating (or installing gnutls-cli, which is preferred).")))))
(t
(check! t
(error! "Important: couldn't find either gnutls-cli or openssl")
(explain!
"You won't be able to install/update packages because Emacs won't be able to "
"verify HTTPS ELPA sources. Install gnutls-cli or openssl v1.0.0+. If for some "
"reason you can't, you can bypass this verification with the INSECURE flag:\n\n"
" INSECURE=1 make install\n\n"
"Or change `package-archives' to use non-https sources.\n\n"
"But remember that you're leaving your security in the hands of your "
"network, provider, government, neckbearded mother-in-laws, geeky roommates, "
"or just about anyone who knows more about computers than you do!")))))
;; git
(check! (not (executable-find "git"))
(error! "Important: couldn't find git"))
;; windows? windows
(check! (memq system-type '(windows-nt ms-dos cygwin))
(warn! "Warning: Windows detected")
(explain! "DOOM was designed for MacOS and Linux. Expect a bumpy ride!"))
;; bsd vs gnu tar
(if (executable-find "tar")
(check! (not (string-match-p "(GNU tar)" (shell-command-to-string "tar --version")))
(warn! "Warning: BSD tar detected")
@ -95,24 +147,18 @@
"QUELPA (through package-build) uses the system tar to build plugins."
"BSD tar *could* cause errors during package installation or updating from"
"non-ELPA sources."
(when IS-MAC
(when (eq system-type 'darwin)
(concat "\nMacOS users can install gnu-tar via homebrew:\n"
" brew install gnu-tar"))))
(check! nil (error! "Important: Couldn't find tar"))) ; very unlikely
(check! (not (executable-find "gnutls-cli"))
(cond ((executable-find "openssl")
(warn! "Warning: couldn't find gnutls-cli")
(explain! "...but found openssl (which is possibly less secure)"))
(t
(error! "Warning: neither gnutls-cli or openssl were found")
(explain! "You will be unable to install/update packages through secure sources (HTTPS)"))))
(check! t ; very unlikely
(error! "Important: Couldn't find tar")
(explain! "This is required by package.el and QUELPA to build packages.")))
;; --- report! ------------------------------------------------
(when (getenv "DEBUG")
(message! "\n====\nHave some debug information:\n")
(msg! "\n====\nHave some debug information:\n")
(let (doom-core-packages doom-debug-mode)
(condition-case ex
@ -122,24 +168,23 @@
(doom-initialize-packages)
(success! " + Attempt to load DOOM: success! Loaded v%s" doom-version)
(when (executable-find "git")
(message! " Revision %s"
(msg! " Revision %s"
(or (ignore-errors
(let ((default-directory user-emacs-directory))
(shell-command-to-string "git rev-parse HEAD")))
"\n"))))
('error (warn! " + Attempt to load DOOM: failed\n %s\n" (or (cdr-safe ex) (car ex))))))
(message! " + Emacs directory: %s\n" user-emacs-directory)
(when (bound-and-true-p doom-modules)
(message! " + enabled modules:\n%s"
(msg! " + enabled modules:\n%s"
(indented 4
(columns 3 23
(mapcar (lambda (x) (format "+%s" x))
(mapcar #'cdr (doom--module-pairs)))))))
(when (bound-and-true-p doom-packages)
(message! " + enabled packages:\n%s"
(when (and (bound-and-true-p doom-packages)
(require 'package nil t))
(msg! " + enabled packages:\n%s"
(indented 4
(columns 2 35
(mapcar (lambda (pkg)
@ -148,7 +193,7 @@
(package-desc-full-name desc))))
(sort (mapcar #'car doom-packages) #'string-lessp))))))
(message! " + byte-compiled files:\n%s"
(msg! " + byte-compiled files:\n%s"
(indented 4
(columns 2 39
(let ((files (append (directory-files-recursively doom-core-dir ".elc$")
@ -157,11 +202,11 @@
(nreverse files)))
(list "n/a"))))))
(message! " + exec-path:\n%s"
(msg! " + exec-path:\n%s"
(indented 4
(columns 1 79 exec-path)))
(message! " + PATH:\n%s"
(msg! " + PATH:\n%s"
(indented 4
(columns 1 79 (split-string (getenv "PATH") ":")))))
@ -171,6 +216,6 @@
(message "\n----")
(warn! "There were issues!")
(unless (getenv "DEBUG")
(message! "\nHopefully these can help you find problems. If not, run this doctor again with DEBUG=1:")
(message! "\n DEBUG=1 make doctor\n")
(message! "And file a bug report with its output at https://github.com/hlissner/.emacs.d/issues")))
(msg! "\nHopefully these can help you find problems. If not, run this doctor again with DEBUG=1:")
(msg! "\n DEBUG=1 make doctor\n")
(msg! "And file a bug report with its output at https://github.com/hlissner/.emacs.d/issues")))