;;; esh-util.el --- general utilities
-;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-;; 2008, 2009 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2011 Free Software Foundation, Inc.
;; Author: John Wiegley <johnw@gnu.org>
;;; User Variables:
(defcustom eshell-stringify-t t
- "*If non-nil, the string representation of t is 't'.
+ "If non-nil, the string representation of t is 't'.
If nil, t will be represented only in the exit code of the function,
and not printed as a string. This causes Lisp functions to behave
similarly to external commands, as far as successful result output."
:group 'eshell-util)
(defcustom eshell-group-file "/etc/group"
- "*If non-nil, the name of the group file on your system."
+ "If non-nil, the name of the group file on your system."
:type '(choice (const :tag "No group file" nil) file)
:group 'eshell-util)
(defcustom eshell-passwd-file "/etc/passwd"
- "*If non-nil, the name of the passwd file on your system."
+ "If non-nil, the name of the passwd file on your system."
:type '(choice (const :tag "No passwd file" nil) file)
:group 'eshell-util)
(defcustom eshell-hosts-file "/etc/hosts"
- "*The name of the /etc/hosts file."
+ "The name of the /etc/hosts file."
:type '(choice (const :tag "No hosts file" nil) file)
:group 'eshell-util)
(defcustom eshell-handle-errors t
- "*If non-nil, Eshell will handle errors itself.
+ "If non-nil, Eshell will handle errors itself.
Setting this to nil is offered as an aid to debugging only."
:type 'boolean
:group 'eshell-util)
(defcustom eshell-private-file-modes 384 ; umask 177
- "*The file-modes value to use for creating \"private\" files."
+ "The file-modes value to use for creating \"private\" files."
:type 'integer
:group 'eshell-util)
(defcustom eshell-private-directory-modes 448 ; umask 077
- "*The file-modes value to use for creating \"private\" directories."
+ "The file-modes value to use for creating \"private\" directories."
:type 'integer
:group 'eshell-util)
(defcustom eshell-tar-regexp
- "\\.t\\(ar\\(\\.\\(gz\\|bz2\\|Z\\)\\)?\\|gz\\|a[zZ]\\|z2\\)\\'"
- "*Regular expression used to match tar file names."
+ "\\.t\\(ar\\(\\.\\(gz\\|bz2\\|xz\\|Z\\)\\)?\\|gz\\|a[zZ]\\|z2\\)\\'"
+ "Regular expression used to match tar file names."
+ :version "24.1" ; added xz
:type 'regexp
:group 'eshell-util)
(defcustom eshell-convert-numeric-arguments t
- "*If non-nil, converting arguments of numeric form to Lisp numbers.
+ "If non-nil, converting arguments of numeric form to Lisp numbers.
Numeric form is tested using the regular expression
`eshell-number-regexp'.
:group 'eshell-util)
(defcustom eshell-number-regexp "-?\\([0-9]*\\.\\)?[0-9]+\\(e[-0-9.]+\\)?"
- "*Regular expression used to match numeric arguments.
+ "Regular expression used to match numeric arguments.
If `eshell-convert-numeric-arguments' is non-nil, and an argument
matches this regexp, it will be converted to a Lisp number, using the
function `string-to-number'."
:group 'eshell-util)
(defcustom eshell-ange-ls-uids nil
- "*List of user/host/id strings, used to determine remote ownership."
+ "List of user/host/id strings, used to determine remote ownership."
:type '(repeat (cons :tag "Host for User/UID map"
(string :tag "Hostname")
(repeat (cons :tag "User/UID List"
a (last a)))
a))
+(defvar eshell-path-env (getenv "PATH")
+ "Content of $PATH.
+It might be different from \(getenv \"PATH\"\), when
+`default-directory' points to a remote host.")
+
+(defun eshell-parse-colon-path (path-env)
+ "Split string with `parse-colon-path'.
+Prepend remote identification of `default-directory', if any."
+ (let ((remote (file-remote-p default-directory)))
+ (if remote
+ (mapcar
+ (lambda (x) (concat remote x))
+ (parse-colon-path path-env))
+ (parse-colon-path path-env))))
+
(defun eshell-split-path (path)
"Split a path into multiple subparts."
(let ((len (length path))
(setq text (replace-match " " t t text)))
text))
+;; FIXME this is just dolist.
(defmacro eshell-for (for-var for-list &rest forms)
"Iterate through a list"
`(let ((list-iter ,for-list))
"Flatten and stringify all of the ARGS into a single string."
(mapconcat 'eshell-stringify (eshell-flatten-list args) " "))
-;; the next two are from GNUS, and really should be made part of Emacs
-;; some day
-(defsubst eshell-time-less-p (t1 t2)
- "Say whether time T1 is less than time T2."
- (or (< (car t1) (car t2))
- (and (= (car t1) (car t2))
- (< (nth 1 t1) (nth 1 t2)))))
-
-(defsubst eshell-time-to-seconds (time)
- "Convert TIME to a floating point number."
- (+ (* (car time) 65536.0)
- (cadr time)
- (/ (or (car (cdr (cdr time))) 0) 1000000.0)))
-
(defsubst eshell-directory-files (regexp &optional directory)
"Return a list of files in the given DIRECTORY matching REGEXP."
(directory-files (or directory default-directory)
"Read the contents of /etc/passwd for user names."
(if (or (not (symbol-value result-var))
(not (symbol-value timestamp-var))
- (eshell-time-less-p
+ (time-less-p
(symbol-value timestamp-var)
(nth 5 (file-attributes file))))
(progn
"Read the contents of /etc/passwd for user names."
(if (or (not (symbol-value result-var))
(not (symbol-value timestamp-var))
- (eshell-time-less-p
+ (time-less-p
(symbol-value timestamp-var)
(nth 5 (file-attributes file))))
(progn
(eshell-read-hosts eshell-hosts-file 'eshell-host-names
'eshell-host-timestamp)))
-(unless (fboundp 'line-end-position)
- (defsubst line-end-position (&optional N)
- (save-excursion (end-of-line N) (point))))
-
-(unless (fboundp 'line-beginning-position)
- (defsubst line-beginning-position (&optional N)
- (save-excursion (beginning-of-line N) (point))))
-
-(unless (fboundp 'subst-char-in-string)
- (defun subst-char-in-string (fromchar tochar string &optional inplace)
- "Replace FROMCHAR with TOCHAR in STRING each time it occurs.
+(and (featurep 'xemacs)
+ (not (fboundp 'subst-char-in-string))
+ (defun subst-char-in-string (fromchar tochar string &optional inplace)
+ "Replace FROMCHAR with TOCHAR in STRING each time it occurs.
Unless optional argument INPLACE is non-nil, return a new string."
- (let ((i (length string))
- (newstr (if inplace string (copy-sequence string))))
- (while (> i 0)
- (setq i (1- i))
- (if (eq (aref newstr i) fromchar)
- (aset newstr i tochar)))
- newstr)))
+ (let ((i (length string))
+ (newstr (if inplace string (copy-sequence string))))
+ (while (> i 0)
+ (setq i (1- i))
+ (if (eq (aref newstr i) fromchar)
+ (aset newstr i tochar)))
+ newstr)))
(defsubst eshell-copy-environment ()
"Return an unrelated copy of `process-environment'."
(substring string 0 sublen)
string)))
-(unless (fboundp 'directory-files-and-attributes)
- (defun directory-files-and-attributes (directory &optional full match nosort)
+(and (featurep 'xemacs)
+ (not (fboundp 'directory-files-and-attributes))
+ (defun directory-files-and-attributes (directory &optional full match nosort id-format)
"Return a list of names of files and their attributes in DIRECTORY.
There are three optional arguments:
If FULL is non-nil, return absolute file names. Otherwise return names
(mapcar
(function
(lambda (file)
- (cons file (eshell-file-attributes (expand-file-name file directory)))))
+ (cons file (eshell-file-attributes (expand-file-name file directory)))))
(directory-files directory full match nosort)))))
(defvar ange-cache)
-(defun eshell-directory-files-and-attributes (dir &optional full match nosort)
+(defun eshell-directory-files-and-attributes (dir &optional full match nosort id-format)
"Make sure to use the handler for `directory-file-and-attributes'."
- (let* ((dir (expand-file-name dir))
- (dfh (find-file-name-handler dir 'directory-files)))
- (if (not dfh)
- (directory-files-and-attributes dir full match nosort)
- (let ((files (funcall dfh 'directory-files dir full match nosort))
- (fah (find-file-name-handler dir 'file-attributes)))
- (mapcar
- (function
- (lambda (file)
- (cons file (if fah
- (eshell-file-attributes
- (expand-file-name file dir))
- (file-attributes (expand-file-name file dir))))))
- files)))))
+ (let* ((dir (expand-file-name dir)))
+ (if (string-equal (file-remote-p dir 'method) "ftp")
+ (let ((files (directory-files dir full match nosort)))
+ (mapcar
+ (lambda (file)
+ (cons file (eshell-file-attributes (expand-file-name file dir))))
+ files))
+ (directory-files-and-attributes dir full match nosort id-format))))
(defun eshell-current-ange-uids ()
(if (string-match "/\\([^@]+\\)@\\([^:]+\\):" default-directory)
(autoload 'parse-time-string "parse-time"))
(eval-when-compile
- (require 'ange-ftp nil t))
+ (require 'ange-ftp nil t)
+ (require 'tramp nil t))
(defun eshell-parse-ange-ls (dir)
- (let (entry)
+ (let ((ange-ftp-name-format
+ (list (nth 0 tramp-file-name-structure)
+ (nth 3 tramp-file-name-structure)
+ (nth 2 tramp-file-name-structure)
+ (nth 4 tramp-file-name-structure)))
+ ;; ange-ftp uses `ange-ftp-ftp-name-arg' and `ange-ftp-ftp-name-res'
+ ;; for optimization in `ange-ftp-ftp-name'. If Tramp wasn't active,
+ ;; there could be incorrect values from previous calls in case the
+ ;; "ftp" method is used in the Tramp file name. So we unset
+ ;; those values.
+ (ange-ftp-ftp-name-arg "")
+ (ange-ftp-ftp-name-res nil)
+ entry)
(with-temp-buffer
(insert (ange-ftp-ls dir "-la" nil))
(goto-char (point-min))
(user (match-string 3))
(group (match-string 4))
(size (string-to-number (match-string 5)))
+ (name (ange-ftp-parse-filename))
(mtime
(if (fboundp 'parse-time-string)
(let ((moment (parse-time-string
(setcar (nthcdr 2 moment) 0))
(apply 'encode-time moment))
(ange-ftp-file-modtime (expand-file-name name dir))))
- (name (ange-ftp-parse-filename))
symlink)
(if (string-match "\\(.+\\) -> \\(.+\\)" name)
(setq symlink (match-string 2 name)
(forward-line)))
entry))
-(defun eshell-file-attributes (file)
- "Return the attributes of FILE, playing tricks if it's over ange-ftp."
+(defun eshell-file-attributes (file &optional id-format)
+ "Return the attributes of FILE, playing tricks if it's over ange-ftp.
+The optional argument ID-FORMAT specifies the preferred uid and
+gid format. Valid values are 'string and 'integer, defaulting to
+'integer. See `file-attributes'."
(let* ((file (expand-file-name file))
- (handler (find-file-name-handler file 'file-attributes))
entry)
- (if (not handler)
- (file-attributes file)
- (if (eq (find-file-name-handler (file-name-directory file)
- 'directory-files)
- 'ange-ftp-hook-function)
- (let ((base (file-name-nondirectory file))
- (dir (file-name-directory file)))
+ (if (string-equal (file-remote-p file 'method) "ftp")
+ (let ((base (file-name-nondirectory file))
+ (dir (file-name-directory file)))
+ (if (string-equal "" base) (setq base "."))
+ (if (boundp 'ange-cache)
+ (setq entry (cdr (assoc base (cdr (assoc dir ange-cache))))))
+ (unless entry
+ (setq entry (eshell-parse-ange-ls dir))
(if (boundp 'ange-cache)
- (setq entry (cdr (assoc base (cdr (assoc dir ange-cache))))))
- (unless entry
- (setq entry (eshell-parse-ange-ls dir))
- (if (boundp 'ange-cache)
- (setq ange-cache
- (cons (cons dir entry)
- ange-cache)))
- (if entry
- (let ((fentry (assoc base (cdr entry))))
- (if fentry
- (setq entry (cdr fentry))
- (setq entry nil)))))))
- (or entry (funcall handler 'file-attributes file)))))
+ (setq ange-cache
+ (cons (cons dir entry)
+ ange-cache)))
+ (if entry
+ (let ((fentry (assoc base (cdr entry))))
+ (if fentry
+ (setq entry (cdr fentry))
+ (setq entry nil)))))
+ entry)
+ (file-attributes file id-format))))
(defalias 'eshell-copy-tree 'copy-tree)
(provide 'esh-util)
-;; arch-tag: 70159778-5c7a-480a-bae4-3ad332fca19d
;;; esh-util.el ends here
HCoop / bpt / emacs.git / blobdiff