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egg.el
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;;; egg.el -- Emacs Got Git
;;
;; A magit fork
;;
;; Copyright (C) 2008 Linh Dang
;; Copyright (C) 2008 Marius Vollmer
;; Copyright (C) 2009 Tim Moore
;; Copyright (C) 2010 Alexander Prusov
;; Copyright (C) 2011 byplayer
;;
;; Author: Bogolisk <bogolisk@gmail.com>
;; Created: 19 Aug 2008
;; Version: 1.0.2
;; Keywords: git, version control, release management
;;
;; Special Thanks to
;; Antoine Levitt, Bogolisk,
;; Christian Köstlin
;; Max Mikhanosha
;; Aleksandar Simic
;;
;; Egg is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;;
;; Egg is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
;; License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary
;;; This is my fork of Marius's excellent magit. his work is at:
;;; http://zagadka.vm.bytemark.co.uk/magit
;;;
;;; This is my fork of bogolisk egg . his work is at
;; http://github.com/bogolisk/egg
;;;
;; Options
;; If you want to auto-update egg-status on file save,
;; you set follow value on your .emacs.
;; (setq egg-auto-update t)
;;
;; Set to nonnil for egg-status to switch to the status buffer in the same window.
;; (setq egg-switch-to-buffer t)
;;
;; If you want to change prefix of lunch egg,
;; you set follow value on your .emacs.
;; (custom-set-variables
;; '(egg-mode-key-prefix "C-c v"))
(require 'cl)
(require 'electric)
(require 'ediff)
(require 'ffap)
(require 'diff-mode)
(defconst egg-version "1.0.2")
(defgroup egg nil
"Controlling Git from Emacs."
:prefix "egg-"
:group 'tools)
(defgroup egg-faces nil
"Colourful Faces for Egg."
:group 'egg)
(defface egg-header
'((t :weight bold :inherit variable-pitch :height 1.1))
"Face for generic headers.
Many Egg faces inherit from this one by default."
:group 'egg-faces)
(defface egg-text-base
'((((class color) (background light))
:foreground "navy" :inherit variable-pitch)
(((class color) (background dark))
:foreground "SteelBlue" :inherit variable-pitch)
(t))
"Face for description text."
:group 'egg-faces)
(defface egg-text-1
'((t :inherit egg-text-base))
"Face for description text."
:group 'egg-faces)
(defface egg-text-help
'((t :inherit egg-text-base :height 0.8))
"Face for help text."
:group 'egg-faces)
(defface egg-help-header-1
'((t :inherit egg-text-base :weight bold))
"Face for help text."
:group 'egg-faces)
(defface egg-help-header-2
'((((class color) (background light))
:foreground "Black" :inherit egg-text-1 :height 0.9)
(((class color) (background dark))
:foreground "LightSteelBlue" :inherit egg-text-1 :height 0.9)
(t :inherit egg-text-1))
"Face for help text."
:group 'egg-faces)
(defface egg-text-2
'((t :inherit egg-text-base :height 1.1))
"Face for description text."
:group 'egg-faces)
(defface egg-text-3
'((t :inherit egg-text-base :height 1.2))
"Face for description text."
:group 'egg-faces)
(defface egg-text-4
'((t :inherit egg-text-base :height 1.4))
"Face for description text."
:group 'egg-faces)
(defface egg-electrict-choice
'((((class color) (background light))
:foreground "Blue" :inherit egg-text-1 :weight bold)
(((class color) (background dark))
:foreground "Cyan" :inherit egg-text-1 :weight bold)
(t))
"Face for description text."
:group 'egg-faces)
(defface egg-section-title
'((((class color) (background light))
:foreground "DarkGoldenrod" :inherit egg-header :height 1.1)
(((class color) (background dark))
:foreground "PaleGreen" :inherit egg-header :height 1.1)
(t :weight bold))
"Face for generic header lines.
Many Egg faces inherit from this one by default."
:group 'egg-faces)
(defface egg-branch
'((((class color) (background light))
:foreground "SkyBlue" :inherit egg-header :height 1.1)
(((class color) (background dark))
:foreground "Yellow" :inherit egg-header :height 1.1)
(t :weight bold))
"Face for the current branch."
:group 'egg-faces)
(defface egg-log-buffer-mark
'((((class color) (background light))
:foreground "black" :inherit bold)
(((class color) (background dark))
:foreground "orchid1" :inherit bold)
(t :weight bold))
"Face to mark commit line in log-buffer."
:group 'egg-faces)
(defface egg-branch-mono
'((((class color) (background light))
:foreground "SkyBlue" :inherit bold)
(((class color) (background dark))
:foreground "Yellow" :inherit bold)
(t :weight bold))
"Face for a branch."
:group 'egg-faces)
(defface egg-tag-mono
'((((class color) (background light))
:foreground "GoldenRod" :inherit bold)
(((class color) (background dark))
:foreground "SkyBlue" :inherit bold)
(t :weight bold))
"Face for a tag."
:group 'egg-faces)
(defface egg-an-tag-mono
'((((class color) (background light))
:foreground "DarkGoldenRod" :inherit bold)
(((class color) (background dark))
:foreground "LightGreen" :inherit bold)
(t :weight bold))
"Face for an annotated branch."
:group 'egg-faces)
(defface egg-stash-mono
'((((class color) (background light))
:foreground "DarkGoldenRod" :inherit bold)
(((class color) (background dark))
:foreground "LightGreen" :inherit bold)
(t :weight bold))
"Face for a stash identifier."
:group 'egg-faces)
(defface egg-remote-mono
'((((class color) (background light))
:foreground "Orchid" :inherit bold)
(((class color) (background dark))
:foreground "DarkSalmon" :inherit bold)
(t :weight bold))
"Face for a remote."
:group 'egg-faces)
(defface egg-term
'((((class color) (background light))
:foreground "SkyBlue" :inherit bold)
(((class color) (background dark))
:foreground "Yellow" :inherit bold)
(t :weight bold))
"Face for an important term."
:group 'egg-faces)
(defface egg-help-key
'((t :inherit 'egg-term :height 0.9))
"Hilight Face in help text."
:group 'egg-faces)
(defface egg-warning
'((((class color) (background light))
:foreground "Red" :inherit bold)
(((class color) (background dark))
:foreground "Orange" :inherit bold)
(t :weight bold))
"Face for a warning."
:group 'egg-faces)
(defface egg-diff-file-header
'((((class color) (background light))
:foreground "SlateBlue" :inherit egg-header)
(((class color) (background dark))
:foreground "LightSlateBlue" :inherit egg-header)
(t :weight bold))
"Face for diff file headers."
:group 'egg-faces)
(defface egg-unmerged-diff-file-header
'((((class color) (background light))
:foreground "Red" :inherit egg-diff-file-header)
(((class color) (background dark))
:foreground "Orange" :inherit egg-diff-file-header)
(t :weight bold))
"Face for unmerged diff file headers."
:group 'egg-faces)
(defface egg-diff-hunk-header
'((((class color) (background light))
:background "grey85")
(((class color) (background dark))
:background "grey45"))
"Face for diff hunk headers."
:group 'egg-faces)
(defface egg-diff-add
'((((class color) (background light))
:foreground "blue1")
(((class color) (background dark))
:foreground "ForestGreen"))
"Face for lines in a diff that have been added."
:group 'egg-faces)
(defface egg-diff-none
'((((class color) (background light))
:foreground "grey50")
(((class color) (background dark))
:foreground "grey70"))
"Face for lines in a diff that are unchanged."
:group 'egg-faces)
(defface egg-diff-del
'((((class color) (background light))
:foreground "red")
(((class color) (background dark))
:foreground "OrangeRed"))
"Face for lines in a diff that have been deleted."
:group 'egg-faces)
(defface egg-diff-conflict
'((((class color) (background light))
:foreground "Blue")
(((class color) (background dark))
:foreground "Orange"))
"Face for lines in a diff that have been deleted."
:group 'egg-faces)
(defface egg-graph
'((((class color) (background light))
:foreground "grey90")
(((class color) (background dark))
:foreground "grey30"))
"Face for graph."
:group 'egg-faces)
(defface egg-blame
'((((class color) (background light))
:background: "grey85" :foreground "black")
(((class color) (background dark))
:background "grey15" :foreground "white")
(t :inherit region))
"Face for blame header."
:group 'egg-faces)
(defface egg-blame-culprit
'((((class color) (background light))
:inherit egg-text-2 :background "grey85" :foreground "grey35")
(((class color) (background dark))
:inherit egg-text-2 :background "grey15" :foreground "grey60")
(t :inherit egg-blame))
"Face for blame culprit."
:group 'egg-faces)
(defface egg-blame-subject
'((((class color) (background light))
:inherit egg-blame-culprit :foreground "black")
(((class color) (background dark))
:inherit egg-blame-culprit :foreground "white")
(t :inherit egg-blame))
"Face for blame tag line."
:group 'egg-faces)
(defface egg-log-HEAD
'((t (:inherit region)))
"Face to highlight HEAD in the log buffer."
:group 'egg-faces)
(defcustom egg-buffer-hide-sub-blocks-on-start nil
"Initially hide all sub-blocks."
:group 'egg
:type '(set (const :tag "Status Buffer" egg-status-buffer-mode)
(const :tag "Log Buffer" egg-log-buffer-mode)
(const :tag "File Log Buffer" egg-file-log-buffer-mode)
(const :tag "RefLog Buffer" egg-reflog-buffer-mode)
(const :tag "Diff Buffer" egg-diff-buffer-mode)
(const :tag "Commit Buffer" egg-commit-buffer-mode)))
(defcustom egg-buffer-hide-section-type-on-start nil
"Initially hide sections of the selected type."
:group 'egg
:type '(set (cons :tag "Status Buffer"
(const :tag "Hide Blocks of type"
egg-status-buffer-mode)
(radio (const :tag "Section" :section)
(const :tag "File" :diff)
(const :tag "Hunk" :hunk)))
(cons :tag "Commit Log Buffer"
(const :tag "Hide Blocks of type"
egg-commit-buffer-mode)
(radio (const :tag "Section" :section)
(const :tag "File" :diff)
(const :tag "Hunk" :hunk)))
(cons :tag "Diff Buffer"
(const :tag "Hide Blocks of type"
egg-diff-buffer-mode)
(radio (const :tag "File" :diff)
(const :tag "Hunk" :hunk)))))
(defcustom egg-buffer-hide-help-on-start nil
"Initially hide keybindings help."
:group 'egg
:type '(set (const :tag "Status Buffer" egg-status-buffer-mode)
(const :tag "Log Buffer" egg-log-buffer-mode)
(const :tag "File Log Buffer" egg-file-log-buffer-mode)
(const :tag "RefLog Buffer" egg-reflog-buffer-mode)
(const :tag "Diff Buffer" egg-diff-buffer-mode)
(const :tag "Commit Buffer" egg-commit-buffer-mode)))
(defcustom egg-log-HEAD-max-len 1000
"Maximum number of entries when showing the history of HEAD."
:group 'egg
:type 'integer)
(defcustom egg-log-all-max-len 10000
"Maximum number of entries when showing the history of HEAD."
:group 'egg
:type 'integer)
(defcustom egg-confirm-next-action t
"Always prompt for confirmation while guessing the next logical action ."
:group 'egg
:type 'boolean)
(defcustom egg-confirm-undo t
"Always prompt for confirmation before removing delta from workdir."
:group 'egg
:type 'boolean)
(defcustom egg-status-buffer-sections '(repo unstaged staged untracked)
"Sections to be listed in the status buffer and their order."
:group 'egg
:type '(repeat (choice (const :tag "Repository Info" repo)
(const :tag "Unstaged Changes Section" unstaged)
(const :tag "Staged Changes Section" staged)
(const :tag "Untracked/Uignored Files" untracked))))
(defcustom egg-commit-buffer-sections '(staged unstaged untracked)
"Sections to be listed in the status buffer and their order."
:group 'egg
:type '(repeat (choice (const :tag "Unstaged Changes Section" unstaged)
(const :tag "Staged Changes Section" staged)
(const :tag "Untracked/Uignored Files" untracked))))
(defcustom egg-refresh-index-in-backround nil
"Whether to refresh the index in the background when emacs is idle."
:group 'egg
:type 'boolean)
(defcustom egg-enable-tooltip nil
"Whether to activate useful tooltips, showing the local keymap at the point."
:group 'egg
:type 'boolean)
(defcustom egg-git-rebase-subdir "rebase-merge"
"Name of the rebase's workdir.
Different versions of git have different names for this subdir."
:group 'egg
:type '(choice (const ".dotest-merge")
(const "rebase-merge")
string))
(defcustom egg-show-key-help-in-buffers
'(:log :status :diff :file-log :reflog :stash)
"Display keybinding help in egg special buffers."
:group 'egg
:type '(set (const :tag "Status Buffer" :status)
(const :tag "Log Buffer" :log)
(const :tag "File Log Buffer" :file-log)
(const :tag "RefLog Buffer" :reflog)
(const :tag "Diff Buffer" :diff)
(const :tag "Commit Buffer" :commit)
(const :tag "Stash Buffer" :stash)))
(define-widget 'egg-quit-window-actions-set 'lazy
"Custom Type for quit-window actions."
:offset 4
:format "%v"
:type '(set :tag "Actions"
(const :tag "Kill Buffer" kill)
(const :tag "Restore Windows" restore-windows)))
(defcustom egg-quit-window-actions nil
"Actions to perform upon quitting an egg special buffer."
:group 'egg
:type '(set (cons :format "%v" (const :tag "Status Buffer" egg-status-buffer-mode)
egg-quit-window-actions-set)
(cons :format "%v" (const :tag "Log (History) Buffer" egg-log-buffer-mode)
egg-quit-window-actions-set)
(cons :format "%v" (const :tag "Commit Log Buffer" egg-commit-buffer-mode)
egg-quit-window-actions-set)
(cons :format "%v" (const :tag "RefLog Buffer" egg-reflog-buffer-mode)
egg-quit-window-actions-set)
(cons :format "%v" (const :tag "Diff Buffer" egg-diff-buffer-mode)
egg-quit-window-actions-set)
(cons :format "%v" (const :tag "File Log (History) Buffer" egg-file-log-buffer-mode)
egg-quit-window-actions-set)))
(defcustom egg-git-command "git"
"Name or full-path to the git command.
Set this to the appropriate string in the case where `git' is not the
desirable way to invoke GIT."
:group 'egg
:type 'string)
(defcustom egg-patch-command "patch"
"Name or full-path to the patch command.
Set this to the appropriate string in the case where `patch' is not the
desirable way to invoke gnu patch command."
:group 'egg
:type 'string)
(defcustom egg-dummy-option nil
"Foo bar"
:group 'egg
:type '(set (const :bold) (const :italic)))
;;;========================================================
;;; simple routines
;;;========================================================
(defmacro egg-text (text face)
"Format TEXT with face FACE at compile-time or run-time."
(cond ((stringp text)
(propertize text 'face (if (symbolp face) face
(nth 1 face))))
((null text)
`(propertize "<internal-bug>" 'face ,face))
(t `(propertize ,text 'face ,face))))
;;(cl-macroexpand '(egg-text blah 'egg-text-3))
(defmacro egg-prop (text &rest prop)
"Propertize TEXT with properties list PROP at compile-time or run-time."
(if (stringp text)
(apply 'propertize text
(mapcar (lambda (sym)
(if (consp sym)
(nth 1 sym)
sym))
prop))
`(propertize ,text ,@prop)))
(defalias 'egg-string-at-point 'ffap-string-at-point)
(defalias 'egg-find-file-at-point 'find-file-at-point)
(defsubst egg-prepend (str prefix &rest other-properties)
"Make STR appear to have prefix PREFIX.
If OTHER-PROPERTIES was non-nil, apply it to STR."
(setq prefix (concat prefix (substring str 0 1)))
(setq str (apply 'propertize str other-properties))
(put-text-property 0 1 'display prefix str)
str)
(defsubst egg-commit-contents (rev)
"Retrieve the raw-contents of the commit REV."
(with-temp-buffer
(call-process egg-git-command nil t nil "cat-file" "commit" rev)
(buffer-string)))
(defsubst egg-commit-message (rev)
"Retrieve the commit message of REV."
(with-temp-buffer
(call-process egg-git-command nil t nil "cat-file" "commit" rev)
(goto-char (point-min))
(re-search-forward "^\n")
(buffer-substring-no-properties (match-end 0) (point-max))))
(defsubst egg-cmd-to-string-1 (program args)
"Execute PROGRAM and return its output as a string.
ARGS is a list of arguments to pass to PROGRAM."
(with-temp-buffer
(if (= (apply 'call-process program nil t nil args) 0)
(buffer-substring-no-properties
(point-min) (if (> (point-max) (point-min))
(1- (point-max)) (point-max))))))
(defsubst egg-cmd-to-string (program &rest args)
"Execute PROGRAM and return its output as a string.
ARGS is a list of arguments to pass to PROGRAM."
(egg-cmd-to-string-1 program args))
(defsubst egg-git-to-string (&rest args)
"run GIT wih ARGS and return the output as a string."
(egg-cmd-to-string-1 egg-git-command args))
(defsubst egg-cmd-ok (program buffer &rest args)
"run PROGRAM with ARGS and insert output into BUFFER at point.
return the t if the exit-code was 0. if BUFFER was t then
current-buffer would be used."
(= (apply 'call-process program nil buffer nil args) 0))
(defsubst egg-git-ok (buffer &rest args)
"run GIT with ARGS and insert output into BUFFER at point.
return the t if the exit-code was 0. if BUFFER was t then
current-buffer would be used."
(= (apply 'call-process egg-git-command nil buffer nil args) 0))
(defsubst egg-git-region-ok (start end &rest args)
"run GIT with ARGS and insert output into current buffer at point.
return the t if the exit-code was 0. The text between START and END
is used as input to GIT."
(= (apply 'call-process-region start end egg-git-command t t nil args) 0))
(defsubst egg-wdir-clean () (egg-git-ok nil "diff" "--quiet"))
(defsubst egg-file-updated (file)
(egg-git-ok nil "diff" "--quiet" "--" file))
(defsubst egg-file-committed (file)
(egg-git-ok nil "diff" "--quiet" "HEAD" "--" file))
(defsubst egg-file-index-empty (file)
(egg-git-ok nil "diff" "--quiet" "--cached" "--" file))
(defsubst egg-index-empty () (egg-git-ok nil "diff" "--cached" "--quiet"))
(defsubst egg-git-to-lines (&rest args)
"run GIT with ARGS.
Return the output lines as a list of strings."
(save-match-data
(split-string (or (egg-cmd-to-string-1 egg-git-command args) "")
"[\n]+" t)))
(defun egg-git-lines-matching (re idx &rest args)
"run GIT with ARGS.
Return the output lines as a list of strings."
(with-temp-buffer
(when (= (apply 'call-process egg-git-command nil t nil args) 0)
(let (lines)
(save-match-data
(goto-char (point-min))
(while (re-search-forward re nil t)
(setq lines (cons (match-string-no-properties idx) lines)))
lines)))))
(defun egg-git-lines-matching-multi (re indices &rest args)
"run GIT with ARGS.
Return the output lines as a list of strings."
(with-temp-buffer
(when (= (apply 'call-process egg-git-command nil t nil args) 0)
(let (lines matches)
(save-match-data
(goto-char (point-min))
(while (re-search-forward re nil t)
(setq matches nil)
(dolist (idx indices)
(when (match-beginning idx)
(setq matches
(cons (cons idx (match-string-no-properties idx))
matches))))
(setq lines (cons matches lines)))
lines)))))
(defsubst egg-file-git-name (file)
"return the repo-relative name of FILE."
(car (egg-git-to-lines "ls-files" "--full-name" "--" file)))
(defsubst egg-buf-git-name (&optional buf)
"return the repo-relative name of the file visited by BUF.
if BUF was nil then use current-buffer"
(egg-file-git-name (file-truename (buffer-file-name buf))))
(defsubst egg-files-git-name (files)
"return the repo-relative name for each file in the list of files FILES."
(delete-duplicates
(apply 'egg-git-to-lines "ls-files" "--full-name" "--" files)
:test 'string-equal))
(defsubst egg-unmerged-files ()
"return a list of repo-relative names for each unmerged files."
(save-match-data
(delete-duplicates
(mapcar 'car
(mapcar 'last
(mapcar
'split-string
(egg-git-to-lines "ls-files" "--full-name" "-u"))))
:test 'string-equal)))
(defsubst egg-local-branches ()
"Get a list of local branches. E.g. (\"master\", \"wip1\")."
(egg-git-to-lines "rev-parse" "--symbolic" "--branches"))
(defsubst egg-local-refs ()
"Get a list of local refs. E.g. (\"master\", \"wip1\")."
(egg-git-to-lines "rev-parse" "--symbolic" "--branches" "--tags"))
(defun egg-remote-branches (&optional raw)
"Get a list of remote branches. E.g. (\"origin/master\", \"joe/fork1\")."
(let ((lst (egg-git-to-lines "rev-parse" "--symbolic" "--remotes")))
(if raw lst
(mapcar (lambda (full-name)
(let ((tmp (save-match-data (split-string full-name "/"))))
(cons (cadr tmp) (car tmp))))
lst))))
(defsubst egg-rbranch-to-remote (rbranch)
"Return the remote name in the remote-branch RBRANCH.
E.g: `foo' in `foo/bar'"
(and (stringp rbranch)
(> (length rbranch) 0)
(directory-file-name (file-name-directory rbranch))))
(defsubst egg-rbranch-name (rbranch)
"Return the ref name in the remote-branch RBRANCH.
E.g: `bar' in `foo/bar'"
(and (stringp rbranch)
(> (length rbranch) 0)
(file-name-nondirectory rbranch)))
(defsubst egg-short-ref (full-ref)
"Return the short ref name of the full ref name FULL-REF.
like `my_tag' in `refs/tags/my_tag'."
(and (stringp full-ref)
(> (length full-ref) 0)
(file-name-nondirectory full-ref)))
(defsubst egg-file-as-string-raw (file-name)
(with-temp-buffer
(insert-file-contents-literally file-name)
(buffer-string)))
(defsubst egg-file-as-string (file-name)
"return the contents of file FILE-NAME as a string."
(with-temp-buffer
(insert-file-contents-literally file-name)
(buffer-substring-no-properties
(point-min) (if (> (point-max) (point-min))
(1- (point-max)) (point-max)))))
(defun egg-pick-file-contents (file-name regexp &rest indices)
"Pick a string out of the contents of the file FILE-NAME.
This function searches for and return the 1st match of REGEXP on the
contents of the file. If indices was not nil, then return the first
successful submatch in the order in INDICES."
(with-temp-buffer
(insert-file-contents-literally file-name)
(goto-char (point-min))
(when (re-search-forward regexp nil t)
(if (null indices)
(match-string-no-properties 0)
(dolist (idx indices)
(if (match-beginning idx)
(return (match-string-no-properties idx))))))))
(defun egg-pick-file-records (file-name start-re end-re)
"Return a list of strings from the contents of the file FILE-NAME.
START-RE is the regexp to match the beginning of a record.
END-RE is the regexp to match the end of a record."
(with-temp-buffer
(insert-file-contents-literally file-name)
(goto-char (point-min))
(let ((beg (point-min))
(end (point-max))
lst)
(save-match-data
(while (and (> end beg)
(not (eobp))
(re-search-forward start-re nil t))
(setq beg (match-beginning 0))
(when (re-search-forward end-re nil t)
(setq end (match-beginning 0))
(if (> end beg)
(setq lst (cons (buffer-substring-no-properties
beg (match-beginning 0))
lst)))
(goto-char end))))
lst)))
(defsubst egg-is-in-git ()
"is the default-directory in a git repo."
(= (call-process egg-git-command nil nil nil "rev-parse" "--git-dir") 0))
(defsubst egg-is-dir-in-git (dir)
"is DIR in a git repo."
(let ((default-directory dir)) (egg-is-in-git)))
(defsubst egg-name-rev (rev)
"get the symbolic name of REV."
(egg-git-to-string "name-rev" "--always" "--name-only" rev))
(defsubst egg-describe-rev (rev)
"get the long symbolic name of REV."
(egg-git-to-string "describe" "--always" "--tags" rev))
(defsubst egg-sha1 (rev)
"get the SHA1 of REV."
(egg-git-to-string "rev-parse" (concat rev "~0")))
(defun egg-read-git-dir ()
"call GIT to read the git directory of default-directory."
(let* ((dotgit-parent (and (buffer-file-name) (locate-dominating-file (buffer-file-name) ".git")))
(dir (or (and dotgit-parent (concat dotgit-parent "/.git"))
(egg-git-to-string "rev-parse" "--git-dir"))))
(if (stringp dir)
(expand-file-name dir))))
(defsubst egg-read-dir-git-dir (dir)
"call GIT to read the git directory of DIR."
(let ((default-directory dir)) (egg-read-git-dir)))
(defvar egg-git-dir nil)
(defsubst egg-git-dir (&optional error-if-not-git)
"return the (pre-read) git-dir of default-directory"
(if (local-variable-p 'egg-git-dir)
egg-git-dir
(set (make-local-variable 'egg-git-dir)
(or (egg-read-git-dir)
(and error-if-not-git
(or (kill-local-variable 'egg-git-dir) t)
(error "Not in a git repository: %s" default-directory))))
;; first time, no status yet.
;; this directory's specific var will be updated by
;; egg-set-mode-info
(set (intern (concat "egg-" egg-git-dir "-HEAD")) " Egg")
egg-git-dir))
(defsubst egg-buf-git-dir (buffer)
"return the (pre-read) git-dir of BUFFER."
(with-current-buffer buffer
(egg-git-dir)))
(defun egg-HEAD ()
"return HEAD. Either a symbolic ref or a sha1."
(let* ((git-dir (egg-git-dir)))
(if git-dir
(egg-pick-file-contents (concat git-dir "/HEAD")
"^ref: refs/heads/\\(.+\\)\\|^\\([0-9a-f]+\\)" 1 2))))
(defun egg-all-refs ()
"Get a list of all refs."
(append (egg-git-to-lines "rev-parse" "--symbolic"
"--branches" "--tags" "--remotes")
(delq nil
(mapcar
(lambda (head)
(if (file-exists-p (concat (egg-git-dir) "/" head))
head))
'("HEAD" "ORIG_HEAD" "MERGE_HEAD" "FETCH_HEAD")))))
(defun egg-ref-type-alist ()
"Build an alist of (REF-NAME . :type) cells."
(mapcar (lambda (ref-desc)
(cons (cdr (assq 5 ref-desc))
(cond ((assq 2 ref-desc) :head)
((assq 3 ref-desc) :tag)
((assq 4 ref-desc) :remote))))
(egg-git-lines-matching-multi
"^.+ \\(refs/\\(?:\\(heads\\)\\|\\(tags\\)\\|\\(remotes\\)\\)/\\(\\([^/\n]+/\\)?[^/\n]+\\)\\)$"
;; 1: full-name
;; 2: head
;; 3: tag
;; 4: remote
;; 5: name
;; 6: remote-host
'(1 2 3 4 5 6) "show-ref")))
(defsubst egg-tooltip-func ()
(if egg-enable-tooltip 'egg-buffer-help-echo))
(defun egg-full-ref-decorated-alist (head-properties
tag-properties
atag-properties
remote-ref-properties
remote-site-properties)
"Build an alist of (ref . :type) cells.
A ref string of a head will be decorated with head-PROPERTIES. A
ref string of a tag will be decorated with TAG-PROPERTIES or
ATAG-PROPERTIES. A ref string of a remote will be formatted with
REMOTE-REF-PROPERTIES and REMOTE-SITE-PROPERTIES."
(let ((refs-desc-list
(egg-git-lines-matching-multi
"^.+ \\(refs/\\(?:\\(heads\\)\\|\\(tags\\)\\|\\(remotes\\)\\)/\\(\\([^/\n]+/\\)?[^/\n{}]+\\)\\)\\(\\^{}\\)?$"
;; 1: full-name
;; 2: head
;; 3: tag
;; 4: remote
;; 5: name
;; 6: remote-host
;; 7: is annotated tag
'(1 2 3 4 5 6 7) "show-ref" "-d"))
annotated-tags)
;; remove the annotated tags from the list
(setq refs-desc-list
(delq nil
(mapcar (lambda (desc)
(if (not (assq 7 desc))
;; not an annotated tag
desc
(setq annotated-tags
(cons (cdr (assq 1 desc))
annotated-tags))
nil))
refs-desc-list)))
;; decorate the ref alist
(mapcar (lambda (desc)
(let ((full-name (cdr (assq 1 desc)))
(name (cdr (assq 5 desc)))
(remote (cdr (assq 6 desc))))
(cond ((assq 2 desc)
;; head
(cons full-name
(apply 'propertize name
:ref (cons name :head)
head-properties)))
((assq 3 desc)
;; tag
(cons full-name
(apply 'propertize name
:ref (cons name :tag)
(if (member full-name annotated-tags)
atag-properties
tag-properties))))
((assq 4 desc)
;; remote
(cons full-name
(concat
(if (stringp remote)
(apply 'propertize remote
:ref (cons name :remote)
remote-site-properties)
;; svn has no remote name
"")
(apply 'propertize (substring name (length remote))
:ref (cons name :remote)
remote-ref-properties)))))))
refs-desc-list)))
(defun egg-complete-rev (string &optional ignored all)
"Do revision completion"
(save-match-data
(cond ((string-match "\\`:[0-3]*" string) ;; stages
(funcall (if all 'all-completions 'try-completion)
string '(":0" ":1" ":2" ":3")))
;; rev^, rev~10 etc.
((string-match "[\\^~][\\^~0-9]*\\'" string)
;; check with rev-parse
(if (egg-git-ok nil "rev-parse" string)
;; rev-parse ok
(if all
;; fixme: how to do a full expansion?
(list string)
;; match
string)))
;; normal rev name
(t (let ((matches
;; match all types of refs
(egg-git-to-lines "for-each-ref" "--format=%(refname)"
(concat "refs/*/" string "*")
(concat "refs/*/" string "*/*")))
prefix)
;; get the short name
;; with 1.6.x: for-each-ref" "--format=%(refname=short)
(setq matches
(mapcar (lambda (long)
(string-match
"\\`refs/\\(?:heads\\|tags\\|remotes\\)/\\(.+\\)\\'"
long)
(match-string-no-properties 1 long))
matches))
;; do the completion
(setq prefix
(funcall (if all 'all-completions 'try-completion)
string
(nconc (directory-files (egg-git-dir)
nil "HEAD")
matches)))
(cond (all prefix)
((stringp prefix) prefix)
((null prefix) nil)
(t string)))))))
(defsubst egg-get-symbolic-HEAD (&optional file)
;; get the symbolic name of HEAD
(setq file (or file (concat (egg-git-dir) "/HEAD")))
(egg-pick-file-contents file
"^ref: refs/heads/\\(.+\\)"
1))
(defsubst egg-get-full-symbolic-HEAD (&optional file)
;; get the symbolic full name of HEAD
(setq file (or file (concat (egg-git-dir) "/HEAD")))
(egg-pick-file-contents file
"^ref: \\(refs/heads/.+\\)"
1))
(defsubst egg-get-current-sha1 ()
(or (egg-git-to-string "rev-parse" "--verify" "-q" "HEAD")
"0000000000000000000000000000000000000000"))
(defsubst egg-set-mode-info (state)
"Set the mode-line string for buffers visiting files in the current repo.
The string is built based on the current state STATE."
(set (intern (concat "egg-" egg-git-dir "-HEAD"))
(format " Git:%s" (cond ((plist-get state :rebase-dir)
"(rebasing)")
((plist-get state :merge-heads)
"(merging)")
((plist-get state :branch)
(plist-get state :branch))
(t "(detached)")))))
(defsubst egg-get-rebase-merge-state (rebase-dir)
"Build a plist of rebase info of REBASE-DIR.
this is for rebase -m variant."
(list :rebase-dir rebase-dir
:rebase-head
(egg-name-rev (egg-file-as-string (concat rebase-dir "head-name")))
:rebase-upstream
(egg-describe-rev (egg-file-as-string (concat rebase-dir "onto_name")))
:rebase-step ;; string-to-number?
(egg-file-as-string (concat rebase-dir "msgnum"))
:rebase-num ;; string-to-number?
(egg-file-as-string (concat rebase-dir "end"))))
(defsubst egg-get-rebase-interactive-state (rebase-dir)
"Build a plist of rebase info of REBASE-DIR.
this is for rebase -i variant."
(list :rebase-dir rebase-dir
:rebase-head
(egg-name-rev (egg-file-as-string (concat rebase-dir "head-name")))
:rebase-upstream
(egg-describe-rev (egg-file-as-string (concat rebase-dir "onto")))
:rebase-num
(length
(egg-pick-file-records (concat rebase-dir "git-rebase-todo.backup")
"^[pes]" "$"))
:rebase-step