;;; git.el --- A user interface for git
-;; Copyright (C) 2005, 2006 Alexandre Julliard <julliard@winehq.org>
+;; Copyright (C) 2005, 2006, 2007 Alexandre Julliard <julliard@winehq.org>
;; Version: 1.0
;; - hook into file save (after-save-hook)
;; - diff against other branch
;; - renaming files from the status buffer
-;; - support for appending signed-off-by
;; - creating tags
;; - fetch/pull
;; - switching branches
;; - revlist browser
;; - git-show-branch browser
-;; - customize support
;; - menus
;;
(eval-when-compile (require 'cl))
(require 'ewoc)
+(require 'log-edit)
-;;;; Faces
+;;;; Customizations
;;;; ------------------------------------------------------------
+(defgroup git nil
+ "A user interface for the git versioning system."
+ :group 'tools)
+
+(defcustom git-committer-name nil
+ "User name to use for commits.
+The default is to fall back to the repository config,
+then to `add-log-full-name' and then to `user-full-name'."
+ :group 'git
+ :type '(choice (const :tag "Default" nil)
+ (string :tag "Name")))
+
+(defcustom git-committer-email nil
+ "Email address to use for commits.
+The default is to fall back to the git repository config,
+then to `add-log-mailing-address' and then to `user-mail-address'."
+ :group 'git
+ :type '(choice (const :tag "Default" nil)
+ (string :tag "Email")))
+
+(defcustom git-commits-coding-system nil
+ "Default coding system for the log message of git commits."
+ :group 'git
+ :type '(choice (const :tag "From repository config" nil)
+ (coding-system)))
+
+(defcustom git-append-signed-off-by nil
+ "Whether to append a Signed-off-by line to the commit message before editing."
+ :group 'git
+ :type 'boolean)
+
+(defcustom git-reuse-status-buffer t
+ "Whether `git-status' should try to reuse an existing buffer
+if there is already one that displays the same directory."
+ :group 'git
+ :type 'boolean)
+
+(defcustom git-per-dir-ignore-file ".gitignore"
+ "Name of the per-directory ignore file."
+ :group 'git
+ :type 'string)
+
+
(defface git-status-face
'((((class color) (background light)) (:foreground "purple")))
- "Git mode face used to highlight added and modified files.")
+ "Git mode face used to highlight added and modified files."
+ :group 'git)
(defface git-unmerged-face
'((((class color) (background light)) (:foreground "red" :bold t)))
- "Git mode face used to highlight unmerged files.")
+ "Git mode face used to highlight unmerged files."
+ :group 'git)
(defface git-unknown-face
'((((class color) (background light)) (:foreground "goldenrod" :bold t)))
- "Git mode face used to highlight unknown files.")
+ "Git mode face used to highlight unknown files."
+ :group 'git)
(defface git-uptodate-face
'((((class color) (background light)) (:foreground "grey60")))
- "Git mode face used to highlight up-to-date files.")
+ "Git mode face used to highlight up-to-date files."
+ :group 'git)
(defface git-ignored-face
'((((class color) (background light)) (:foreground "grey60")))
- "Git mode face used to highlight ignored files.")
+ "Git mode face used to highlight ignored files."
+ :group 'git)
(defface git-mark-face
'((((class color) (background light)) (:foreground "red" :bold t)))
- "Git mode face used for the file marks.")
+ "Git mode face used for the file marks."
+ :group 'git)
(defface git-header-face
'((((class color) (background light)) (:foreground "blue")))
- "Git mode face used for commit headers.")
+ "Git mode face used for commit headers."
+ :group 'git)
(defface git-separator-face
'((((class color) (background light)) (:foreground "brown")))
- "Git mode face used for commit separator.")
+ "Git mode face used for commit separator."
+ :group 'git)
(defface git-permission-face
'((((class color) (background light)) (:foreground "green" :bold t)))
- "Git mode face used for permission changes.")
+ "Git mode face used for permission changes."
+ :group 'git)
-(defvar git-committer-name nil
- "*User name to use for commits.
-If not set, fall back to `add-log-full-name' and then `user-full-name'.")
-(defvar git-committer-email nil
- "*Email address to use for commits.
-If not set, fall back to `add-log-mailing-address' and then `user-mail-address'.")
-
-(defvar git-commits-coding-system 'utf-8
- "Default coding system for git commits.")
+;;;; Utilities
+;;;; ------------------------------------------------------------
(defconst git-log-msg-separator "--- log message follows this line ---")
-(defconst git-per-dir-ignore-file ".gitignore"
- "Name of the per-directory ignore file.")
-
-
-;;;; Utilities
-;;;; ------------------------------------------------------------
+(defvar git-log-edit-font-lock-keywords
+ `(("^\\(Author:\\|Date:\\|Parent:\\|Signed-off-by:\\)\\(.*\\)$"
+ (1 font-lock-keyword-face)
+ (2 font-lock-function-name-face))
+ (,(concat "^\\(" (regexp-quote git-log-msg-separator) "\\)$")
+ (1 font-lock-comment-face))))
(defun git-get-env-strings (env)
"Build a list of NAME=VALUE strings from a list of environment strings."
(append (git-get-env-strings env) (list "git") args))
(apply #'call-process "git" nil buffer nil args)))
+(defun git-call-process-env-string (env &rest args)
+ "Wrapper for call-process that sets environment strings,
+and returns the process output as a string."
+ (with-temp-buffer
+ (and (eq 0 (apply #' git-call-process-env t env args))
+ (buffer-string))))
+
(defun git-run-process-region (buffer start end program args)
"Run a git process with a buffer region as input."
(let ((output-buffer (current-buffer))
(error "Failed to run \"git %s\":\n%s" (mapconcat (lambda (x) x) args " ") (buffer-string)))
(message "Running git %s...done" (car args)))
+(defun git-run-hook (hook env &rest args)
+ "Run a git hook and display its output if any."
+ (let ((dir default-directory)
+ (hook-name (expand-file-name (concat ".git/hooks/" hook))))
+ (or (not (file-executable-p hook-name))
+ (let (status (buffer (get-buffer-create "*Git Hook Output*")))
+ (with-current-buffer buffer
+ (erase-buffer)
+ (cd dir)
+ (setq status
+ (if env
+ (apply #'call-process "env" nil (list buffer t) nil
+ (append (git-get-env-strings env) (list hook-name) args))
+ (apply #'call-process hook-name nil (list buffer t) nil args))))
+ (display-message-or-buffer buffer)
+ (eq 0 status)))))
+
(defun git-get-string-sha1 (string)
"Read a SHA1 from the specified string."
- (let ((pos (string-match "[0-9a-f]\\{40\\}" string)))
- (and pos (substring string pos (match-end 0)))))
+ (and string
+ (string-match "[0-9a-f]\\{40\\}" string)
+ (match-string 0 string)))
(defun git-get-committer-name ()
"Return the name to use as GIT_COMMITTER_NAME."
; copied from log-edit
(or git-committer-name
+ (git-config "user.name")
(and (boundp 'add-log-full-name) add-log-full-name)
(and (fboundp 'user-full-name) (user-full-name))
(and (boundp 'user-full-name) user-full-name)))
"Return the email address to use as GIT_COMMITTER_EMAIL."
; copied from log-edit
(or git-committer-email
+ (git-config "user.email")
(and (boundp 'add-log-mailing-address) add-log-mailing-address)
(and (fboundp 'user-mail-address) (user-mail-address))
(and (boundp 'user-mail-address) user-mail-address)))
+(defun git-get-commits-coding-system ()
+ "Return the coding system to use for commits."
+ (let ((repo-config (git-config "i18n.commitencoding")))
+ (or git-commits-coding-system
+ (and repo-config
+ (fboundp 'locale-charset-to-coding-system)
+ (locale-charset-to-coding-system repo-config))
+ 'utf-8)))
+
+(defun git-get-logoutput-coding-system ()
+ "Return the coding system used for git-log output."
+ (let ((repo-config (or (git-config "i18n.logoutputencoding")
+ (git-config "i18n.commitencoding"))))
+ (or git-commits-coding-system
+ (and repo-config
+ (fboundp 'locale-charset-to-coding-system)
+ (locale-charset-to-coding-system repo-config))
+ 'utf-8)))
+
(defun git-escape-file-name (name)
"Escape a file name if necessary."
(if (string-match "[\n\t\"\\]" name)
"Add a file name to the ignore file in its directory."
(let* ((fullname (expand-file-name file))
(dir (file-name-directory fullname))
- (name (file-name-nondirectory fullname)))
+ (name (file-name-nondirectory fullname))
+ (ignore-name (expand-file-name git-per-dir-ignore-file dir))
+ (created (not (file-exists-p ignore-name))))
(save-window-excursion
- (set-buffer (find-file-noselect (expand-file-name git-per-dir-ignore-file dir)))
+ (set-buffer (find-file-noselect ignore-name))
(goto-char (point-max))
(unless (zerop (current-column)) (insert "\n"))
- (insert name "\n")
+ (insert "/" name "\n")
(sort-lines nil (point-min) (point-max))
- (save-buffer))))
-
+ (save-buffer))
+ (when created
+ (git-run-command nil nil "update-index" "--add" "--" (file-relative-name ignore-name)))
+ (git-update-status-files (list (file-relative-name ignore-name)) 'unknown)))
+
+; propertize definition for XEmacs, stolen from erc-compat
+(eval-when-compile
+ (unless (fboundp 'propertize)
+ (defun propertize (string &rest props)
+ (let ((string (copy-sequence string)))
+ (while props
+ (put-text-property 0 (length string) (nth 0 props) (nth 1 props) string)
+ (setq props (cddr props)))
+ string))))
;;;; Wrappers for basic git commands
;;;; ------------------------------------------------------------
(defun git-rev-parse (rev)
"Parse a revision name and return its SHA1."
(git-get-string-sha1
- (with-output-to-string
- (with-current-buffer standard-output
- (git-call-process-env t nil "rev-parse" rev)))))
+ (git-call-process-env-string nil "rev-parse" rev)))
+
+(defun git-config (key)
+ "Retrieve the value associated to KEY in the git repository config file."
+ (let ((str (git-call-process-env-string nil "config" key)))
+ (and str (car (split-string str "\n")))))
(defun git-symbolic-ref (ref)
"Wrapper for the git-symbolic-ref command."
- (car
- (split-string
- (with-output-to-string
- (with-current-buffer standard-output
- (git-call-process-env t nil "symbolic-ref" ref)))
- "\n")))
-
-(defun git-update-ref (ref val &optional oldval)
+ (let ((str (git-call-process-env-string nil "symbolic-ref" ref)))
+ (and str (car (split-string str "\n")))))
+
+(defun git-update-ref (ref newval &optional oldval reason)
"Update a reference by calling git-update-ref."
- (apply #'git-call-process-env nil nil "update-ref" ref val (if oldval (list oldval))))
+ (let ((args (and oldval (list oldval))))
+ (push newval args)
+ (push ref args)
+ (when reason
+ (push reason args)
+ (push "-m" args))
+ (eq 0 (apply #'git-call-process-env nil nil "update-ref" args))))
(defun git-read-tree (tree &optional index-file)
"Read a tree into the index file."
(defun git-write-tree (&optional index-file)
"Call git-write-tree and return the resulting tree SHA1 as a string."
(git-get-string-sha1
- (with-output-to-string
- (with-current-buffer standard-output
- (git-call-process-env t
- (if index-file `(("GIT_INDEX_FILE" . ,index-file)) nil)
- "write-tree")))))
+ (git-call-process-env-string (and index-file `(("GIT_INDEX_FILE" . ,index-file))) "write-tree")))
(defun git-commit-tree (buffer tree head)
"Call git-commit-tree with buffer as input and return the resulting commit SHA1."
(let ((author-name (git-get-committer-name))
(author-email (git-get-committer-email))
- author-date log-start log-end args)
+ (subject "commit (initial): ")
+ author-date log-start log-end args coding-system-for-write)
(when head
+ (setq subject "commit: ")
(push "-p" args)
(push head args))
(with-current-buffer buffer
(goto-char (point-min))
(if
- (setq log-start (re-search-forward (concat "^" git-log-msg-separator "\n") nil t))
+ (setq log-start (re-search-forward (concat "^" (regexp-quote git-log-msg-separator) "\n") nil t))
(save-restriction
(narrow-to-region (point-min) log-start)
(goto-char (point-min))
(goto-char (point-min))
(while (re-search-forward "^Parent: +\\([0-9a-f]+\\)" nil t)
(unless (string-equal head (match-string 1))
+ (setq subject "commit (merge): ")
(push "-p" args)
(push (match-string 1) args))))
(setq log-start (point-min)))
- (setq log-end (point-max)))
- (git-get-string-sha1
- (with-output-to-string
- (with-current-buffer standard-output
- (let ((coding-system-for-write git-commits-coding-system)
- (env `(("GIT_AUTHOR_NAME" . ,author-name)
- ("GIT_AUTHOR_EMAIL" . ,author-email)
- ("GIT_COMMITTER_NAME" . ,(git-get-committer-name))
- ("GIT_COMMITTER_EMAIL" . ,(git-get-committer-email)))))
- (when author-date (push `("GIT_AUTHOR_DATE" . ,author-date) env))
- (apply #'git-run-command-region
- buffer log-start log-end env
- "commit-tree" tree (nreverse args))))))))
+ (setq log-end (point-max))
+ (goto-char log-start)
+ (when (re-search-forward ".*$" nil t)
+ (setq subject (concat subject (match-string 0))))
+ (setq coding-system-for-write buffer-file-coding-system))
+ (let ((commit
+ (git-get-string-sha1
+ (with-output-to-string
+ (with-current-buffer standard-output
+ (let ((env `(("GIT_AUTHOR_NAME" . ,author-name)
+ ("GIT_AUTHOR_EMAIL" . ,author-email)
+ ("GIT_COMMITTER_NAME" . ,(git-get-committer-name))
+ ("GIT_COMMITTER_EMAIL" . ,(git-get-committer-email)))))
+ (when author-date (push `("GIT_AUTHOR_DATE" . ,author-date) env))
+ (apply #'git-run-command-region
+ buffer log-start log-end env
+ "commit-tree" tree (nreverse args))))))))
+ (and (git-update-ref "HEAD" commit head subject)
+ commit))))
(defun git-empty-db-p ()
"Check if the git db is empty (no commit done yet)."
(push (match-string 0) heads))))
(nreverse heads)))
+(defun git-get-commit-description (commit)
+ "Get a one-line description of COMMIT."
+ (let ((coding-system-for-read (git-get-logoutput-coding-system)))
+ (let ((descr (git-call-process-env-string nil "log" "--max-count=1" "--pretty=oneline" commit)))
+ (if (and descr (string-match "\\`\\([0-9a-f]\\{40\\}\\) *\\(.*\\)$" descr))
+ (concat (substring (match-string 1 descr) 0 10) " - " (match-string 2 descr))
+ descr))))
+
;;;; File info structure
;;;; ------------------------------------------------------------
(propertize
(concat " ("
(if (eq state 'copy) "copied from "
- (if (eq (git-fileinfo->state info) 'added) "renamed to "
- "renamed from "))
+ (if (eq (git-fileinfo->state info) 'added) "renamed from "
+ "renamed to "))
(git-escape-file-name (git-fileinfo->orig-name info))
")") 'face 'git-status-face)
"")))
(propertize
(if (or (not old-perm)
(not new-perm)
- (eq 0 (logand #O111 (logxor old-perm new-perm))))
+ (eq 0 (logand ?\111 (logxor old-perm new-perm))))
" "
- (if (eq 0 (logand #O111 old-perm)) "+x" "-x"))
+ (if (eq 0 (logand ?\111 old-perm)) "+x" "-x"))
'face 'git-permission-face))
(defun git-fileinfo-prettyprint (info)
"Pretty-printer for the git-fileinfo structure."
- (insert (format " %s %s %s %s%s"
- (if (git-fileinfo->marked info) (propertize "*" 'face 'git-mark-face) " ")
- (git-status-code-as-string (git-fileinfo->state info))
- (git-permissions-as-string (git-fileinfo->old-perm info) (git-fileinfo->new-perm info))
- (git-escape-file-name (git-fileinfo->name info))
+ (insert (concat " " (if (git-fileinfo->marked info) (propertize "*" 'face 'git-mark-face) " ")
+ " " (git-status-code-as-string (git-fileinfo->state info))
+ " " (git-permissions-as-string (git-fileinfo->old-perm info) (git-fileinfo->new-perm info))
+ " " (git-escape-file-name (git-fileinfo->name info))
(git-rename-as-string info))))
-(defun git-parse-status (status)
- "Parse the output of git-diff-index in the current buffer."
- (goto-char (point-min))
- (while (re-search-forward
- ":\\([0-7]\\{6\\}\\) \\([0-7]\\{6\\}\\) [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} \\(\\([ADMU]\\)\0\\([^\0]+\\)\\|\\([CR]\\)[0-9]*\0\\([^\0]+\\)\0\\([^\0]+\\)\\)\0"
- nil t 1)
- (let ((old-perm (string-to-number (match-string 1) 8))
- (new-perm (string-to-number (match-string 2) 8))
- (state (or (match-string 4) (match-string 6)))
- (name (or (match-string 5) (match-string 7)))
- (new-name (match-string 8)))
- (if new-name ; copy or rename
- (if (eq ?C (string-to-char state))
- (ewoc-enter-last status (git-create-fileinfo 'added new-name old-perm new-perm 'copy name))
- (ewoc-enter-last status (git-create-fileinfo 'deleted name 0 0 'rename new-name))
- (ewoc-enter-last status (git-create-fileinfo 'added new-name old-perm new-perm 'rename name)))
- (ewoc-enter-last status (git-create-fileinfo (git-state-code state) name old-perm new-perm))))))
+(defun git-insert-fileinfo (status info &optional refresh)
+ "Insert INFO in the status buffer, optionally refreshing an existing one."
+ (let ((node (and refresh
+ (git-find-status-file status (git-fileinfo->name info)))))
+ (setf (git-fileinfo->needs-refresh info) t)
+ (when node ;preserve the marked flag
+ (setf (git-fileinfo->marked info) (git-fileinfo->marked (ewoc-data node))))
+ (if node (setf (ewoc-data node) info) (ewoc-enter-last status info))))
+
+(defun git-run-diff-index (status files)
+ "Run git-diff-index on FILES and parse the results into STATUS.
+Return the list of files that haven't been handled."
+ (let ((refresh files))
+ (with-temp-buffer
+ (apply #'git-run-command t nil "diff-index" "-z" "-M" "HEAD" "--" files)
+ (goto-char (point-min))
+ (while (re-search-forward
+ ":\\([0-7]\\{6\\}\\) \\([0-7]\\{6\\}\\) [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} \\(\\([ADMU]\\)\0\\([^\0]+\\)\\|\\([CR]\\)[0-9]*\0\\([^\0]+\\)\0\\([^\0]+\\)\\)\0"
+ nil t 1)
+ (let ((old-perm (string-to-number (match-string 1) 8))
+ (new-perm (string-to-number (match-string 2) 8))
+ (state (or (match-string 4) (match-string 6)))
+ (name (or (match-string 5) (match-string 7)))
+ (new-name (match-string 8)))
+ (if new-name ; copy or rename
+ (if (eq ?C (string-to-char state))
+ (git-insert-fileinfo status (git-create-fileinfo 'added new-name old-perm new-perm 'copy name) refresh)
+ (git-insert-fileinfo status (git-create-fileinfo 'deleted name 0 0 'rename new-name) refresh)
+ (git-insert-fileinfo status (git-create-fileinfo 'added new-name old-perm new-perm 'rename name)) refresh)
+ (git-insert-fileinfo status (git-create-fileinfo (git-state-code state) name old-perm new-perm) refresh))
+ (setq files (delete name files))
+ (when new-name (setq files (delete new-name files)))))))
+ files)
(defun git-find-status-file (status file)
"Find a given file in the status ewoc and return its node."
(setq node (ewoc-next status node)))
node))
-(defun git-parse-ls-files (status default-state &optional skip-existing)
- "Parse the output of git-ls-files in the current buffer."
- (goto-char (point-min))
- (let (infolist)
- (while (re-search-forward "\\([HMRCK?]\\) \\([^\0]*\\)\0" nil t 1)
- (let ((state (match-string 1))
- (name (match-string 2)))
- (unless (and skip-existing (git-find-status-file status name))
- (push (git-create-fileinfo (or (git-state-code state) default-state) name) infolist))))
- (dolist (info (nreverse infolist))
- (ewoc-enter-last status info))))
-
-(defun git-parse-ls-unmerged (status)
- "Parse the output of git-ls-files -u in the current buffer."
- (goto-char (point-min))
- (let (files)
- (while (re-search-forward "[0-7]\\{6\\} [0-9a-f]\\{40\\} [123]\t\\([^\0]+\\)\0" nil t)
- (let ((node (git-find-status-file status (match-string 1))))
- (when node (push (ewoc-data node) files))))
- (git-set-files-state files 'unmerged)))
-
-(defun git-add-status-file (state name)
- "Add a new file to the status list (if not existing already) and return its node."
+(defun git-run-ls-files (status files default-state &rest options)
+ "Run git-ls-files on FILES and parse the results into STATUS.
+Return the list of files that haven't been handled."
+ (let ((refresh files))
+ (with-temp-buffer
+ (apply #'git-run-command t nil "ls-files" "-z" "-t" (append options (list "--") files))
+ (goto-char (point-min))
+ (while (re-search-forward "\\([HMRCK?]\\) \\([^\0]*\\)\0" nil t 1)
+ (let ((state (match-string 1))
+ (name (match-string 2)))
+ (git-insert-fileinfo status (git-create-fileinfo (or (git-state-code state) default-state) name) refresh)
+ (setq files (delete name files))))))
+ files)
+
+(defun git-run-ls-unmerged (status files)
+ "Run git-ls-files -u on FILES and parse the results into STATUS."
+ (with-temp-buffer
+ (apply #'git-run-command t nil "ls-files" "-z" "-u" "--" files)
+ (goto-char (point-min))
+ (let (unmerged-files)
+ (while (re-search-forward "[0-7]\\{6\\} [0-9a-f]\\{40\\} [123]\t\\([^\0]+\\)\0" nil t)
+ (let ((node (git-find-status-file status (match-string 1))))
+ (when node (push (ewoc-data node) unmerged-files))))
+ (git-set-files-state unmerged-files 'unmerged))))
+
+(defun git-get-exclude-files ()
+ "Get the list of exclude files to pass to git-ls-files."
+ (let (files
+ (config (git-config "core.excludesfile")))
+ (when (file-readable-p ".git/info/exclude")
+ (push ".git/info/exclude" files))
+ (when (and config (file-readable-p config))
+ (push config files))
+ files))
+
+(defun git-update-status-files (files &optional default-state)
+ "Update the status of FILES from the index."
(unless git-status (error "Not in git-status buffer."))
- (or (git-find-status-file git-status name)
- (ewoc-enter-last git-status (git-create-fileinfo state name))))
+ (let* ((status git-status)
+ (remaining-files
+ (if (git-empty-db-p) ; we need some special handling for an empty db
+ (git-run-ls-files status files 'added "-c")
+ (git-run-diff-index status files))))
+ (git-run-ls-unmerged status files)
+ (when (or (not files) remaining-files)
+ (let ((exclude-files (git-get-exclude-files)))
+ (setq remaining-files (apply #'git-run-ls-files status remaining-files 'unknown "-o"
+ (concat "--exclude-per-directory=" git-per-dir-ignore-file)
+ (mapcar (lambda (f) (concat "--exclude-from=" f)) exclude-files)))))
+ ; mark remaining files with the default state (or remove them if nil)
+ (when remaining-files
+ (if default-state
+ (ewoc-map (lambda (info)
+ (when (member (git-fileinfo->name info) remaining-files)
+ (git-set-files-state (list info) default-state))
+ nil)
+ status)
+ (ewoc-filter status
+ (lambda (info files)
+ (not (member (git-fileinfo->name info) files)))
+ remaining-files)))
+ (git-refresh-files)
+ (git-refresh-ewoc-hf status)))
(defun git-marked-files ()
"Return a list of all marked files, or if none a list containing just the file at cursor position."
"Refresh the ewoc header and footer."
(let ((branch (git-symbolic-ref "HEAD"))
(head (if (git-empty-db-p) "Nothing committed yet"
- (substring (git-rev-parse "HEAD") 0 10)))
+ (git-get-commit-description "HEAD")))
(merge-heads (git-get-merge-heads)))
(ewoc-set-hf status
(format "Directory: %s\nBranch: %s\nHead: %s%s\n"
head
(if merge-heads
(concat "\nMerging: "
- (mapconcat (lambda (str) (substring str 0 10)) merge-heads " "))
+ (mapconcat (lambda (str) (git-get-commit-description str)) merge-heads "\n "))
""))
(if (ewoc-nth status 0) "" " No changes."))))
(when modified
(apply #'git-run-command nil env "update-index" "--" (git-get-filenames modified)))))
+(defun git-run-pre-commit-hook ()
+ "Run the pre-commit hook if any."
+ (unless git-status (error "Not in git-status buffer."))
+ (let ((files (git-marked-files-state 'added 'deleted 'modified)))
+ (or (not files)
+ (not (file-executable-p ".git/hooks/pre-commit"))
+ (let ((index-file (make-temp-file "gitidx")))
+ (unwind-protect
+ (let ((head-tree (unless (git-empty-db-p) (git-rev-parse "HEAD^{tree}"))))
+ (git-read-tree head-tree index-file)
+ (git-update-index index-file files)
+ (git-run-hook "pre-commit" `(("GIT_INDEX_FILE" . ,index-file))))
+ (delete-file index-file))))))
+
(defun git-do-commit ()
"Perform the actual commit using the current buffer as log message."
(interactive)
(if (or (not (string-equal tree head-tree))
(yes-or-no-p "The tree was not modified, do you really want to perform an empty commit? "))
(let ((commit (git-commit-tree buffer tree head)))
- (git-update-ref "HEAD" commit head)
(condition-case nil (delete-file ".git/MERGE_HEAD") (error nil))
+ (condition-case nil (delete-file ".git/MERGE_MSG") (error nil))
(with-current-buffer buffer (erase-buffer))
(git-set-files-state files 'uptodate)
+ (git-run-command nil nil "rerere")
(git-refresh-files)
(git-refresh-ewoc-hf git-status)
- (message "Committed %s." commit))
+ (message "Committed %s." commit)
+ (git-run-hook "post-commit" nil))
(message "Commit aborted."))))
(message "No files to commit.")))
(delete-file index-file))))))
(unless git-status (error "Not in git-status buffer."))
(ewoc-goto-prev git-status n))
+(defun git-next-unmerged-file (&optional n)
+ "Move the selection down N unmerged files."
+ (interactive "p")
+ (unless git-status (error "Not in git-status buffer."))
+ (let* ((last (ewoc-locate git-status))
+ (node (ewoc-next git-status last)))
+ (while (and node (> n 0))
+ (when (eq 'unmerged (git-fileinfo->state (ewoc-data node)))
+ (setq n (1- n))
+ (setq last node))
+ (setq node (ewoc-next git-status node)))
+ (ewoc-goto-node git-status last)))
+
+(defun git-prev-unmerged-file (&optional n)
+ "Move the selection up N unmerged files."
+ (interactive "p")
+ (unless git-status (error "Not in git-status buffer."))
+ (let* ((last (ewoc-locate git-status))
+ (node (ewoc-prev git-status last)))
+ (while (and node (> n 0))
+ (when (eq 'unmerged (git-fileinfo->state (ewoc-data node)))
+ (setq n (1- n))
+ (setq last node))
+ (setq node (ewoc-prev git-status node)))
+ (ewoc-goto-node git-status last)))
+
(defun git-add-file ()
"Add marked file(s) to the index cache."
(interactive)
- (let ((files (git-marked-files-state 'unknown)))
+ (let ((files (git-get-filenames (git-marked-files-state 'unknown))))
(unless files
- (push (ewoc-data
- (git-add-status-file 'added (file-relative-name
- (read-file-name "File to add: " nil nil t))))
- files))
- (apply #'git-run-command nil nil "update-index" "--info-only" "--add" "--" (git-get-filenames files))
- (git-set-files-state files 'added)
- (git-refresh-files)))
+ (push (file-relative-name (read-file-name "File to add: " nil nil t)) files))
+ (apply #'git-run-command nil nil "update-index" "--add" "--" files)
+ (git-update-status-files files 'uptodate)))
(defun git-ignore-file ()
"Add marked file(s) to the ignore list."
(interactive)
- (let ((files (git-marked-files-state 'unknown)))
+ (let ((files (git-get-filenames (git-marked-files-state 'unknown))))
(unless files
- (push (ewoc-data
- (git-add-status-file 'unknown (file-relative-name
- (read-file-name "File to ignore: " nil nil t))))
- files))
- (dolist (info files) (git-append-to-ignore (git-fileinfo->name info)))
- (git-set-files-state files 'ignored)
- (git-refresh-files)))
+ (push (file-relative-name (read-file-name "File to ignore: " nil nil t)) files))
+ (dolist (f files) (git-append-to-ignore f))
+ (git-update-status-files files 'ignored)))
(defun git-remove-file ()
"Remove the marked file(s)."
(interactive)
- (let ((files (git-marked-files-state 'added 'modified 'unknown 'uptodate)))
+ (let ((files (git-get-filenames (git-marked-files-state 'added 'modified 'unknown 'uptodate))))
(unless files
- (push (ewoc-data
- (git-add-status-file 'unknown (file-relative-name
- (read-file-name "File to remove: " nil nil t))))
- files))
+ (push (file-relative-name (read-file-name "File to remove: " nil nil t)) files))
(if (yes-or-no-p
(format "Remove %d file%s? " (length files) (if (> (length files) 1) "s" "")))
(progn
- (dolist (info files)
- (let ((name (git-fileinfo->name info)))
- (when (file-exists-p name) (delete-file name))))
- (apply #'git-run-command nil nil "update-index" "--info-only" "--remove" "--" (git-get-filenames files))
- ; remove unknown files from the list, set the others to deleted
- (ewoc-filter git-status
- (lambda (info files)
- (not (and (memq info files) (eq (git-fileinfo->state info) 'unknown))))
- files)
- (git-set-files-state files 'deleted)
- (git-refresh-files)
- (unless (ewoc-nth git-status 0) ; refresh header if list is empty
- (git-refresh-ewoc-hf git-status)))
+ (dolist (name files)
+ (when (file-exists-p name) (delete-file name)))
+ (apply #'git-run-command nil nil "update-index" "--remove" "--" files)
+ (git-update-status-files files nil))
(message "Aborting"))))
(defun git-revert-file ()
(format "Revert %d file%s? " (length files) (if (> (length files) 1) "s" ""))))
(dolist (info files)
(case (git-fileinfo->state info)
- ('added (push info added))
- ('deleted (push info modified))
- ('unmerged (push info modified))
- ('modified (push info modified))))
+ ('added (push (git-fileinfo->name info) added))
+ ('deleted (push (git-fileinfo->name info) modified))
+ ('unmerged (push (git-fileinfo->name info) modified))
+ ('modified (push (git-fileinfo->name info) modified))))
(when added
- (apply #'git-run-command nil nil "update-index" "--force-remove" "--" (git-get-filenames added))
- (git-set-files-state added 'unknown))
+ (apply #'git-run-command nil nil "update-index" "--force-remove" "--" added))
(when modified
- (apply #'git-run-command nil nil "checkout" "HEAD" (git-get-filenames modified))
- (git-set-files-state modified 'uptodate))
- (git-refresh-files))))
+ (apply #'git-run-command nil nil "checkout" "HEAD" modified))
+ (git-update-status-files (append added modified) 'uptodate))))
(defun git-resolve-file ()
"Resolve conflicts in marked file(s)."
(interactive)
- (let ((files (git-marked-files-state 'unmerged)))
+ (let ((files (git-get-filenames (git-marked-files-state 'unmerged))))
(when files
- (apply #'git-run-command nil nil "update-index" "--info-only" "--" (git-get-filenames files))
- (git-set-files-state files 'modified)
- (git-refresh-files))))
+ (apply #'git-run-command nil nil "update-index" "--" files)
+ (git-update-status-files files 'uptodate))))
(defun git-remove-handled ()
"Remove handled files from the status list."
(git-setup-diff-buffer
(apply #'git-run-command-buffer "*git-diff*" "diff-index" "-p" "-M" "HEAD" "--" (git-get-filenames files)))))
+(defun git-diff-file-merge-head (arg)
+ "Diff the marked file(s) against the first merge head (or the nth one with a numeric prefix)."
+ (interactive "p")
+ (let ((files (git-marked-files))
+ (merge-heads (git-get-merge-heads)))
+ (unless merge-heads (error "No merge in progress"))
+ (git-setup-diff-buffer
+ (apply #'git-run-command-buffer "*git-diff*" "diff-index" "-p" "-M"
+ (or (nth (1- arg) merge-heads) "HEAD") "--" (git-get-filenames files)))))
+
(defun git-diff-unmerged-file (stage)
"Diff the marked unmerged file(s) against the specified stage."
(let ((files (git-marked-files)))
(with-current-buffer log-edit-parent-buffer
(git-get-filenames (git-marked-files-state 'added 'deleted 'modified))))
+(defun git-append-sign-off (name email)
+ "Append a Signed-off-by entry to the current buffer, avoiding duplicates."
+ (let ((sign-off (format "Signed-off-by: %s <%s>" name email))
+ (case-fold-search t))
+ (goto-char (point-min))
+ (unless (re-search-forward (concat "^" (regexp-quote sign-off)) nil t)
+ (goto-char (point-min))
+ (unless (re-search-forward "^Signed-off-by: " nil t)
+ (setq sign-off (concat "\n" sign-off)))
+ (goto-char (point-max))
+ (insert sign-off "\n"))))
+
+(defun git-setup-log-buffer (buffer &optional author-name author-email subject date msg)
+ "Setup the log buffer for a commit."
+ (unless git-status (error "Not in git-status buffer."))
+ (let ((merge-heads (git-get-merge-heads))
+ (dir default-directory)
+ (committer-name (git-get-committer-name))
+ (committer-email (git-get-committer-email))
+ (sign-off git-append-signed-off-by))
+ (with-current-buffer buffer
+ (cd dir)
+ (erase-buffer)
+ (insert
+ (propertize
+ (format "Author: %s <%s>\n%s%s"
+ (or author-name committer-name)
+ (or author-email committer-email)
+ (if date (format "Date: %s\n" date) "")
+ (if merge-heads
+ (format "Parent: %s\n%s\n"
+ (git-rev-parse "HEAD")
+ (mapconcat (lambda (str) (concat "Parent: " str)) merge-heads "\n"))
+ ""))
+ 'face 'git-header-face)
+ (propertize git-log-msg-separator 'face 'git-separator-face)
+ "\n")
+ (when subject (insert subject "\n\n"))
+ (cond (msg (insert msg "\n"))
+ ((file-readable-p ".dotest/msg")
+ (insert-file-contents ".dotest/msg"))
+ ((file-readable-p ".git/MERGE_MSG")
+ (insert-file-contents ".git/MERGE_MSG")))
+ ; delete empty lines at end
+ (goto-char (point-min))
+ (when (re-search-forward "\n+\\'" nil t)
+ (replace-match "\n" t t))
+ (when sign-off (git-append-sign-off committer-name committer-email)))))
+
(defun git-commit-file ()
"Commit the marked file(s), asking for a commit message."
(interactive)
(unless git-status (error "Not in git-status buffer."))
- (let ((buffer (get-buffer-create "*git-commit*"))
- (merge-heads (git-get-merge-heads))
- (dir default-directory))
- (with-current-buffer buffer
- (when (eq 0 (buffer-size))
- (cd dir)
- (erase-buffer)
- (insert
- (propertize
- (format "Author: %s <%s>\n%s"
- (git-get-committer-name) (git-get-committer-email)
- (if merge-heads
- (format "Parent: %s\n%s\n"
- (git-rev-parse "HEAD")
- (mapconcat (lambda (str) (concat "Parent: " str)) merge-heads "\n"))
- ""))
- 'face 'git-header-face)
- (propertize git-log-msg-separator 'face 'git-separator-face)
- "\n")
- (when (and merge-heads (file-readable-p ".git/MERGE_MSG"))
- (insert-file-contents ".git/MERGE_MSG"))))
- (log-edit #'git-do-commit nil #'git-log-edit-files buffer)))
+ (when (git-run-pre-commit-hook)
+ (let ((buffer (get-buffer-create "*git-commit*"))
+ (coding-system (git-get-commits-coding-system))
+ author-name author-email subject date)
+ (when (eq 0 (buffer-size buffer))
+ (when (file-readable-p ".dotest/info")
+ (with-temp-buffer
+ (insert-file-contents ".dotest/info")
+ (goto-char (point-min))
+ (when (re-search-forward "^Author: \\(.*\\)\nEmail: \\(.*\\)$" nil t)
+ (setq author-name (match-string 1))
+ (setq author-email (match-string 2)))
+ (goto-char (point-min))
+ (when (re-search-forward "^Subject: \\(.*\\)$" nil t)
+ (setq subject (match-string 1)))
+ (goto-char (point-min))
+ (when (re-search-forward "^Date: \\(.*\\)$" nil t)
+ (setq date (match-string 1)))))
+ (git-setup-log-buffer buffer author-name author-email subject date))
+ (log-edit #'git-do-commit nil #'git-log-edit-files buffer)
+ (setq font-lock-keywords (font-lock-compile-keywords git-log-edit-font-lock-keywords))
+ (setq buffer-file-coding-system coding-system)
+ (re-search-forward (regexp-quote (concat git-log-msg-separator "\n")) nil t))))
(defun git-find-file ()
"Visit the current file in its own buffer."
(unless git-status (error "Not in git-status buffer."))
(let ((info (ewoc-data (ewoc-locate git-status))))
(find-file (git-fileinfo->name info))
+ (when (eq 'unmerged (git-fileinfo->state info))
+ (smerge-mode 1))))
+
+(defun git-find-file-other-window ()
+ "Visit the current file in its own buffer in another window."
+ (interactive)
+ (unless git-status (error "Not in git-status buffer."))
+ (let ((info (ewoc-data (ewoc-locate git-status))))
+ (find-file-other-window (git-fileinfo->name info))
(when (eq 'unmerged (git-fileinfo->state info))
(smerge-mode))))
(pos (ewoc-locate status))
(cur-name (and pos (git-fileinfo->name (ewoc-data pos)))))
(unless status (error "Not in git-status buffer."))
+ (git-run-command nil nil "update-index" "--refresh")
(git-clear-status status)
- (git-run-command nil nil "update-index" "--info-only" "--refresh")
- (if (git-empty-db-p)
- ; we need some special handling for an empty db
- (with-temp-buffer
- (git-run-command t nil "ls-files" "-z" "-t" "-c")
- (git-parse-ls-files status 'added))
- (with-temp-buffer
- (git-run-command t nil "diff-index" "-z" "-M" "HEAD")
- (git-parse-status status)))
- (with-temp-buffer
- (git-run-command t nil "ls-files" "-z" "-u")
- (git-parse-ls-unmerged status))
- (when (file-readable-p ".git/info/exclude")
- (with-temp-buffer
- (git-run-command t nil "ls-files" "-z" "-t" "-o"
- "--exclude-from=.git/info/exclude"
- (concat "--exclude-per-directory=" git-per-dir-ignore-file))
- (git-parse-ls-files status 'unknown)))
- (git-refresh-files)
- (git-refresh-ewoc-hf status)
+ (git-update-status-files nil)
; move point to the current file name if any
(let ((node (and cur-name (git-find-status-file status cur-name))))
(when node (ewoc-goto-node status node)))))
(let ((map (make-keymap))
(diff-map (make-sparse-keymap)))
(suppress-keymap map)
+ (define-key map "?" 'git-help)
+ (define-key map "h" 'git-help)
(define-key map " " 'git-next-file)
(define-key map "a" 'git-add-file)
(define-key map "c" 'git-commit-file)
(define-key map "d" diff-map)
(define-key map "=" 'git-diff-file)
(define-key map "f" 'git-find-file)
- (define-key map [RET] 'git-find-file)
+ (define-key map "\r" 'git-find-file)
(define-key map "g" 'git-refresh-status)
(define-key map "i" 'git-ignore-file)
(define-key map "l" 'git-log-file)
(define-key map "m" 'git-mark-file)
(define-key map "M" 'git-mark-all)
(define-key map "n" 'git-next-file)
+ (define-key map "N" 'git-next-unmerged-file)
+ (define-key map "o" 'git-find-file-other-window)
(define-key map "p" 'git-prev-file)
+ (define-key map "P" 'git-prev-unmerged-file)
(define-key map "q" 'git-status-quit)
(define-key map "r" 'git-remove-file)
(define-key map "R" 'git-resolve-file)
(define-key diff-map "=" 'git-diff-file)
(define-key diff-map "e" 'git-diff-file-idiff)
(define-key diff-map "E" 'git-find-file-imerge)
+ (define-key diff-map "h" 'git-diff-file-merge-head)
(define-key diff-map "m" 'git-diff-file-mine)
(define-key diff-map "o" 'git-diff-file-other)
(setq git-status-mode-map map)))
(erase-buffer)
(let ((status (ewoc-create 'git-fileinfo-prettyprint "" "")))
(set (make-local-variable 'git-status) status))
+ (set (make-local-variable 'list-buffers-directory) default-directory)
(run-hooks 'git-status-mode-hook)))
+(defun git-find-status-buffer (dir)
+ "Find the git status buffer handling a specified directory."
+ (let ((list (buffer-list))
+ (fulldir (expand-file-name dir))
+ found)
+ (while (and list (not found))
+ (let ((buffer (car list)))
+ (with-current-buffer buffer
+ (when (and list-buffers-directory
+ (string-equal fulldir (expand-file-name list-buffers-directory))
+ (string-match "\\*git-status\\*$" (buffer-name buffer)))
+ (setq found buffer))))
+ (setq list (cdr list)))
+ found))
+
(defun git-status (dir)
"Entry point into git-status mode."
(interactive "DSelect directory: ")
(setq dir (git-get-top-dir dir))
(if (file-directory-p (concat (file-name-as-directory dir) ".git"))
- (let ((buffer (create-file-buffer (expand-file-name "*git-status*" dir))))
+ (let ((buffer (or (and git-reuse-status-buffer (git-find-status-buffer dir))
+ (create-file-buffer (expand-file-name "*git-status*" dir)))))
(switch-to-buffer buffer)
- (git-status-mode)
(cd dir)
+ (git-status-mode)
(git-refresh-status)
(goto-char (point-min)))
(message "%s is not a git working tree." dir)))
+(defun git-help ()
+ "Display help for Git mode."
+ (interactive)
+ (describe-function 'git-status-mode))
+
(provide 'git)
;;; git.el ends here