123 lines
6.0 KiB
Bash
Executable File
123 lines
6.0 KiB
Bash
Executable File
#!/usr/bin/env sh
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:; set -e # -*- mode: emacs-lisp; lexical-binding: t -*-
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:; case "$EMACS" in *term*) EMACS=emacs ;; *) EMACS="${EMACS:-emacs}" ;; esac
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:; $EMACS --version >/dev/null 2>&1 || { >&2 echo "Can't find emacs in your PATH"; exit 1; }
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:; $EMACS --no-site-file --script "$0" -- "$@" || __DOOMCODE=$?
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:; [ "${__DOOMCODE:-0}" -eq 128 ] && { sh "`$EMACS -Q --batch --eval '(princ temporary-file-directory)'`/doom.sh" "$0" "$@" && true; __DOOMCODE=$?; }
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:; exit $__DOOMCODE
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;; The garbage collector isn't as important during CLI ops. A higher threshold
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;; makes it 15-30% faster, but set it too high and we risk runaway memory usage
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;; in longer sessions.
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(setq gc-cons-threshold 134217728) ; 128mb
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;; Prioritize non-byte-compiled source files in non-interactive sessions to
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;; prevent loading stale byte-code.
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(setq load-prefer-newer t)
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;; Ensure Doom runs out of this file's parent directory, where Doom is
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;; presumably installed. Use the EMACSDIR envvar to change this.
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(setq user-emacs-directory
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(if (getenv-internal "EMACSDIR")
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(file-name-as-directory (expand-file-name (getenv-internal "EMACSDIR")))
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(expand-file-name
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"../" (file-name-directory (file-truename load-file-name)))))
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(kill-emacs
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(pcase
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(catch 'exit
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;; Catch some potential issues early
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(cond
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((version< emacs-version "26.3")
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(princ (concat "Detected Emacs " emacs-version " (at " (car command-line-args) ").\n\n"))
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(princ "Doom only supports Emacs 26.3 and newer. 27.1 is highly recommended. A guide\n")
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(princ "to install a newer version of Emacs can be found at:\n\n ")
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(princ (format "https://doomemacs.org/docs/getting_started.org#%s"
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(cond ((eq system-type 'darwin) "on-macos")
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((memq system-type '(cygwin windows-nt ms-dos)) "on-windows")
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("on-linux"))))
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(princ "Aborting...")
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1)
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((not (file-readable-p (expand-file-name "core/core.el" user-emacs-directory)))
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(princ (concat "Couldn't find or read '"
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(abbreviate-file-name
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(expand-file-name "core/core.el" user-emacs-directory))
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"'.\n\n"))
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(princ "Are you sure Doom Emacs is correctly installed?\n\n")
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(when (file-symlink-p load-file-name)
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(princ "This error can occur if you've symlinked the 'doom' script, which Doom does not\n")
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(princ "support. Consider symlinking its parent directory instead or explicitly set the\n")
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(princ "EMACSDIR environment variable, e.g.\n\n ")
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(princ (if (string-match-p "/fish$" (getenv "SHELL"))
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"env EMACSDIR=~/.emacs.d doom"
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"EMACSDIR=~/.emacs.d doom sync"))
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(princ "\n\n")
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(princ "Aborting..."))
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2)
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((and (equal (user-real-uid) 0)
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(/= 0 (file-attribute-user-id (file-attributes user-emacs-directory))))
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(princ "Do not run this script as root. It will cause file permissions errors later.\n\n")
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(princ "To carry on anyway, change the owner of your Emacs config to root:\n\n")
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(princ (concat " chown root:root -R " (abbreviate-file-name user-emacs-directory) "\n\n"))
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(princ "Aborting...")
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3)
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;; Load the heart of the beast and its CLI processing library
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((load (expand-file-name "core/core.el" user-emacs-directory) nil t)
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(require 'core-cli)
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;; Process the arguments passed to this script. `doom-cli-execute'
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;; should return a boolean, integer (error code) or throw an 'exit
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;; event, which is handled specially.
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(apply #'doom-cli-execute :doom (cdr (member "--" argv))))))
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;; Any non-zero integer is treated as an explicit exit code.
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((and (pred integerp) code)
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code)
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;; If, instead, we were given a string or list of strings, copy these as
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;; shell script commands to a temporary script file which this script will
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;; execute after this session finishes. Also accepts special keywords, like
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;; `:restart', to rerun the current command with the same arguments.
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((and (or (pred consp)
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(pred stringp)
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(pred keywordp))
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command)
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(let ((script (expand-file-name "doom.sh" temporary-file-directory))
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(coding-system-for-write 'utf-8-unix)
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(coding-system-for-read 'utf-8-unix))
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(with-temp-file script
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(insert "#!/usr/bin/env sh\n"
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"_postscript() {\n"
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" rm -f " (shell-quote-argument script) "\n "
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(cond ((eq command :restart) "$@")
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((stringp command) command)
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((string-join
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(if (listp (car-safe command))
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(cl-loop for line in (doom-enlist command)
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collect (mapconcat #'shell-quote-argument (remq nil line) " "))
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(list (mapconcat #'shell-quote-argument (remq nil command) " ")))
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"\n ")))
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"\n}\n"
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(save-match-data
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(cl-loop for env
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in (cl-set-difference process-environment
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doom--initial-process-environment
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:test #'equal)
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if (string-match "^\\([a-zA-Z0-9_]+\\)=\\(.+\\)$" env)
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concat (format "%s=%s \\\n"
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(match-string 1 env)
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(shell-quote-argument (match-string 2 env)))))
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(format "PATH=\"%s%s$PATH\" \\\n" (concat doom-emacs-dir "bin/") path-separator)
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"_postscript $@\n"))
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(set-file-modes script #o600))
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;; Error code 128 is special: it means run the post-script after this
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;; session ends.
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128)
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;; Anything else (e.g. booleans) is treated as a successful run. Yes, a `nil'
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;; indicates a successful run too!
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(_ 0)))
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