diff options
Diffstat (limited to 'contrib/emacs/git.el')
| -rw-r--r-- | contrib/emacs/git.el | 315 |
1 files changed, 222 insertions, 93 deletions
diff --git a/contrib/emacs/git.el b/contrib/emacs/git.el index 280557e..e147da0 100644 --- a/contrib/emacs/git.el +++ b/contrib/emacs/git.el @@ -36,7 +36,6 @@ ;; TODO ;; - portability to XEmacs ;; - better handling of subprocess errors -;; - hook into file save (after-save-hook) ;; - diff against other branch ;; - renaming files from the status buffer ;; - creating tags @@ -97,6 +96,21 @@ if there is already one that displays the same directory." :group 'git :type 'string) +(defcustom git-show-uptodate nil + "Whether to display up-to-date files." + :group 'git + :type 'boolean) + +(defcustom git-show-ignored nil + "Whether to display ignored files." + :group 'git + :type 'boolean) + +(defcustom git-show-unknown t + "Whether to display unknown files." + :group 'git + :type 'boolean) + (defface git-status-face '((((class color) (background light)) (:foreground "purple")) @@ -205,22 +219,15 @@ and returns the process output as a string." (message "Running git %s...done" (car args)) buffer)) -(defun git-run-command (buffer env &rest args) - (message "Running git %s..." (car args)) - (apply #'git-call-process-env buffer env args) - (message "Running git %s...done" (car args))) - (defun git-run-command-region (buffer start end env &rest args) "Run a git command with specified buffer region as input." - (message "Running git %s..." (car args)) (unless (eq 0 (if env (git-run-process-region buffer start end "env" (append (git-get-env-strings env) (list "git") args)) (git-run-process-region buffer start end "git" args))) - (error "Failed to run \"git %s\":\n%s" (mapconcat (lambda (x) x) args " ") (buffer-string))) - (message "Running git %s...done" (car args))) + (error "Failed to run \"git %s\":\n%s" (mapconcat (lambda (x) x) args " ") (buffer-string)))) (defun git-run-hook (hook env &rest args) "Run a git hook and display its output if any." @@ -297,6 +304,13 @@ and returns the process output as a string." "\"") name)) +(defun git-success-message (text files) + "Print a success message after having handled FILES." + (let ((n (length files))) + (if (equal n 1) + (message "%s %s" text (car files)) + (message "%s %d files" text n)))) + (defun git-get-top-dir (dir) "Retrieve the top-level directory of a git tree." (let ((cdup (with-output-to-string @@ -323,7 +337,7 @@ and returns the process output as a string." (sort-lines nil (point-min) (point-max)) (save-buffer)) (when created - (git-run-command nil nil "update-index" "--add" "--" (file-relative-name ignore-name))) + (git-call-process-env 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 @@ -470,14 +484,36 @@ and returns the process output as a string." "Remove everything from the status list." (ewoc-filter status (lambda (info) nil))) -(defun git-set-files-state (files state) - "Set the state of a list of files." - (dolist (info files) - (unless (eq (git-fileinfo->state info) state) - (setf (git-fileinfo->state info) state) - (setf (git-fileinfo->rename-state info) nil) - (setf (git-fileinfo->orig-name info) nil) - (setf (git-fileinfo->needs-refresh info) t)))) +(defun git-set-fileinfo-state (info state) + "Set the state of a file info." + (unless (eq (git-fileinfo->state info) state) + (setf (git-fileinfo->state info) state + (git-fileinfo->old-perm info) 0 + (git-fileinfo->new-perm info) 0 + (git-fileinfo->rename-state info) nil + (git-fileinfo->orig-name info) nil + (git-fileinfo->needs-refresh info) t))) + +(defun git-status-filenames-map (status func files &rest args) + "Apply FUNC to the status files names in the FILES list." + (when files + (setq files (sort files #'string-lessp)) + (let ((file (pop files)) + (node (ewoc-nth status 0))) + (while (and file node) + (let ((info (ewoc-data node))) + (if (string-lessp (git-fileinfo->name info) file) + (setq node (ewoc-next status node)) + (if (string-equal (git-fileinfo->name info) file) + (apply func info args)) + (setq file (pop files)))))))) + +(defun git-set-filenames-state (status files state) + "Set the state of a list of named files." + (when files + (git-status-filenames-map status #'git-set-fileinfo-state files state) + (unless state ;; delete files whose state has been set to nil + (ewoc-filter status (lambda (info) (git-fileinfo->state info)))))) (defun git-state-code (code) "Convert from a string to a added/deleted/modified state." @@ -532,21 +568,38 @@ and returns the process output as a string." " " (git-escape-file-name (git-fileinfo->name info)) (git-rename-as-string info)))) -(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-insert-info-list (status infolist) + "Insert a list of file infos in the status buffer, replacing existing ones if any." + (setq infolist (sort infolist + (lambda (info1 info2) + (string-lessp (git-fileinfo->name info1) + (git-fileinfo->name info2))))) + (let ((info (pop infolist)) + (node (ewoc-nth status 0))) + (while info + (setf (git-fileinfo->needs-refresh info) t) + (cond ((not node) + (ewoc-enter-last status info) + (setq info (pop infolist))) + ((string-lessp (git-fileinfo->name (ewoc-data node)) + (git-fileinfo->name info)) + (setq node (ewoc-next status node))) + ((string-equal (git-fileinfo->name (ewoc-data node)) + (git-fileinfo->name info)) + ;; preserve the marked flag + (setf (git-fileinfo->marked info) (git-fileinfo->marked (ewoc-data node))) + (setf (ewoc-data node) info) + (setq info (pop infolist))) + (t + (ewoc-enter-before status node info) + (setq info (pop infolist))))))) (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)) + (let (infolist) (with-temp-buffer - (apply #'git-run-command t nil "diff-index" "-z" "-M" "HEAD" "--" files) + (apply #'git-call-process-env 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" @@ -558,13 +611,14 @@ Return the list of files that haven't been handled." (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)) + (push (git-create-fileinfo 'added new-name old-perm new-perm 'copy name) infolist) + (push (git-create-fileinfo 'deleted name 0 0 'rename new-name) infolist) + (push (git-create-fileinfo 'added new-name old-perm new-perm 'rename name) infolist)) + (push (git-create-fileinfo (git-state-code state) name old-perm new-perm) infolist)) (setq files (delete name files)) - (when new-name (setq files (delete new-name files))))))) - files) + (when new-name (setq files (delete new-name files)))))) + (git-insert-info-list status infolist) + files)) (defun git-find-status-file (status file) "Find a given file in the status ewoc and return its node." @@ -576,27 +630,26 @@ Return the list of files that haven't been handled." (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)) + (let (infolist) (with-temp-buffer - (apply #'git-run-command t nil "ls-files" "-z" "-t" (append options (list "--") files)) + (apply #'git-call-process-env t nil "ls-files" "-z" (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) + (while (re-search-forward "\\([^\0]*\\)\0" nil t 1) + (let ((name (match-string 1))) + (push (git-create-fileinfo default-state name) infolist) + (setq files (delete name files))))) + (git-insert-info-list status infolist) + 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) + (apply #'git-call-process-env 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)))) + (push (match-string 1) unmerged-files)) + (git-set-filenames-state status unmerged-files 'unmerged)))) (defun git-get-exclude-files () "Get the list of exclude files to pass to git-ls-files." @@ -608,34 +661,30 @@ Return the list of files that haven't been handled." (push config files)) files)) +(defun git-run-ls-files-with-excludes (status files default-state &rest options) + "Run git-ls-files on FILES with appropriate --exclude-from options." + (let ((exclude-files (git-get-exclude-files))) + (apply #'git-run-ls-files status files default-state + (concat "--exclude-per-directory=" git-per-dir-ignore-file) + (append options (mapcar (lambda (f) (concat "--exclude-from=" f)) exclude-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.")) - (let* ((status git-status) - (remaining-files + (unless files + (when git-show-uptodate (git-run-ls-files git-status nil 'uptodate "-c"))) + (let* ((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-run-ls-files git-status files 'added "-c") + (git-run-diff-index git-status files)))) + (git-run-ls-unmerged git-status files) + (when (or remaining-files (and git-show-unknown (not files))) + (setq remaining-files (git-run-ls-files-with-excludes git-status remaining-files 'unknown "-o"))) + (when (or remaining-files (and git-show-ignored (not files))) + (setq remaining-files (git-run-ls-files-with-excludes git-status remaining-files 'ignored "-o" "-i"))) + (git-set-filenames-state git-status remaining-files default-state) (git-refresh-files) - (git-refresh-ewoc-hf status))) + (git-refresh-ewoc-hf git-status))) (defun git-marked-files () "Return a list of all marked files, or if none a list containing just the file at cursor position." @@ -698,11 +747,11 @@ Return the list of files that haven't been handled." ('deleted (push info deleted)) ('modified (push info modified)))) (when added - (apply #'git-run-command nil env "update-index" "--add" "--" (git-get-filenames added))) + (apply #'git-call-process-env nil env "update-index" "--add" "--" (git-get-filenames added))) (when deleted - (apply #'git-run-command nil env "update-index" "--remove" "--" (git-get-filenames deleted))) + (apply #'git-call-process-env nil env "update-index" "--remove" "--" (git-get-filenames deleted))) (when modified - (apply #'git-run-command nil env "update-index" "--" (git-get-filenames modified))))) + (apply #'git-call-process-env nil env "update-index" "--" (git-get-filenames modified))))) (defun git-run-pre-commit-hook () "Run the pre-commit hook if any." @@ -734,6 +783,7 @@ Return the list of files that haven't been handled." head-tree (git-rev-parse "HEAD^{tree}"))) (if files (progn + (message "Running git commit...") (git-read-tree head-tree index-file) (git-update-index nil files) ;update both the default index (git-update-index index-file files) ;and the temporary one @@ -744,8 +794,9 @@ Return the list of files that haven't been handled." (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") + (dolist (info files) (git-set-fileinfo-state info 'uptodate)) + (git-call-process-env nil nil "rerere") + (git-call-process-env nil nil "gc" "--auto") (git-refresh-files) (git-refresh-ewoc-hf git-status) (message "Committed %s." commit) @@ -792,7 +843,8 @@ Return the list of files that haven't been handled." "Mark all files." (interactive) (unless git-status (error "Not in git-status buffer.")) - (ewoc-map (lambda (info) (setf (git-fileinfo->marked info) t) t) git-status) + (ewoc-map (lambda (info) (unless (git-fileinfo->marked info) + (setf (git-fileinfo->marked info) t))) git-status) ; move back to goal column after invalidate (when goal-column (move-to-column goal-column))) @@ -800,7 +852,9 @@ Return the list of files that haven't been handled." "Unmark all files." (interactive) (unless git-status (error "Not in git-status buffer.")) - (ewoc-map (lambda (info) (setf (git-fileinfo->marked info) nil) t) git-status) + (ewoc-map (lambda (info) (when (git-fileinfo->marked info) + (setf (git-fileinfo->marked info) nil) + t)) git-status) ; move back to goal column after invalidate (when goal-column (move-to-column goal-column))) @@ -853,11 +907,12 @@ Return the list of files that haven't been handled." (defun git-add-file () "Add marked file(s) to the index cache." (interactive) - (let ((files (git-get-filenames (git-marked-files-state 'unknown)))) + (let ((files (git-get-filenames (git-marked-files-state 'unknown 'ignored)))) (unless 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))) + (apply #'git-call-process-env nil nil "update-index" "--add" "--" files) + (git-update-status-files files 'uptodate) + (git-success-message "Added" files))) (defun git-ignore-file () "Add marked file(s) to the ignore list." @@ -866,12 +921,13 @@ Return the list of files that haven't been handled." (unless 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))) + (git-update-status-files files 'ignored) + (git-success-message "Ignored" files))) (defun git-remove-file () "Remove the marked file(s)." (interactive) - (let ((files (git-get-filenames (git-marked-files-state 'added 'modified 'unknown 'uptodate)))) + (let ((files (git-get-filenames (git-marked-files-state 'added 'modified 'unknown 'uptodate 'ignored)))) (unless files (push (file-relative-name (read-file-name "File to remove: " nil nil t)) files)) (if (yes-or-no-p @@ -879,8 +935,9 @@ Return the list of files that haven't been handled." (progn (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)) + (apply #'git-call-process-env nil nil "update-index" "--remove" "--" files) + (git-update-status-files files nil) + (git-success-message "Removed" files)) (message "Aborting")))) (defun git-revert-file () @@ -898,29 +955,65 @@ Return the list of files that haven't been handled." ('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" "--" added)) + (apply #'git-call-process-env nil nil "update-index" "--force-remove" "--" added)) (when modified - (apply #'git-run-command nil nil "checkout" "HEAD" modified)) - (git-update-status-files (append added modified) 'uptodate)))) + (apply #'git-call-process-env nil nil "checkout" "HEAD" modified)) + (git-update-status-files (append added modified) 'uptodate) + (git-success-message "Reverted" (git-get-filenames files))))) (defun git-resolve-file () "Resolve conflicts in marked file(s)." (interactive) (let ((files (git-get-filenames (git-marked-files-state 'unmerged)))) (when files - (apply #'git-run-command nil nil "update-index" "--" files) - (git-update-status-files files 'uptodate)))) + (apply #'git-call-process-env nil nil "update-index" "--" files) + (git-update-status-files files 'uptodate) + (git-success-message "Resolved" files)))) (defun git-remove-handled () "Remove handled files from the status list." (interactive) (ewoc-filter git-status (lambda (info) - (not (or (eq (git-fileinfo->state info) 'ignored) - (eq (git-fileinfo->state info) 'uptodate))))) + (case (git-fileinfo->state info) + ('ignored git-show-ignored) + ('uptodate git-show-uptodate) + ('unknown git-show-unknown) + (t t)))) (unless (ewoc-nth git-status 0) ; refresh header if list is empty (git-refresh-ewoc-hf git-status))) +(defun git-toggle-show-uptodate () + "Toogle the option for showing up-to-date files." + (interactive) + (if (setq git-show-uptodate (not git-show-uptodate)) + (git-refresh-status) + (git-remove-handled))) + +(defun git-toggle-show-ignored () + "Toogle the option for showing ignored files." + (interactive) + (if (setq git-show-ignored (not git-show-ignored)) + (progn + (message "Inserting ignored files...") + (git-run-ls-files-with-excludes git-status nil 'ignored "-o" "-i") + (git-refresh-files) + (git-refresh-ewoc-hf git-status) + (message "Inserting ignored files...done")) + (git-remove-handled))) + +(defun git-toggle-show-unknown () + "Toogle the option for showing unknown files." + (interactive) + (if (setq git-show-unknown (not git-show-unknown)) + (progn + (message "Inserting unknown files...") + (git-run-ls-files-with-excludes git-status nil 'unknown "-o") + (git-refresh-files) + (git-refresh-ewoc-hf git-status) + (message "Inserting unknown files...done")) + (git-remove-handled))) + (defun git-setup-diff-buffer (buffer) "Setup a buffer for displaying a diff." (let ((dir default-directory)) @@ -1118,12 +1211,23 @@ Return the list of files that haven't been handled." (interactive) (let* ((status git-status) (pos (ewoc-locate status)) + (marked-files (git-get-filenames (ewoc-collect status (lambda (info) (git-fileinfo->marked info))))) (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") + (message "Refreshing git status...") + (git-call-process-env nil nil "update-index" "--refresh") (git-clear-status status) (git-update-status-files nil) + ; restore file marks + (when marked-files + (git-status-filenames-map status + (lambda (info) + (setf (git-fileinfo->marked info) t) + (setf (git-fileinfo->needs-refresh info) t)) + marked-files) + (git-refresh-files)) ; move point to the current file name if any + (message "Refreshing git status...done") (let ((node (and cur-name (git-find-status-file status cur-name)))) (when node (ewoc-goto-node status node))))) @@ -1146,7 +1250,8 @@ Return the list of files that haven't been handled." (unless git-status-mode-map (let ((map (make-keymap)) - (diff-map (make-sparse-keymap))) + (diff-map (make-sparse-keymap)) + (toggle-map (make-sparse-keymap))) (suppress-keymap map) (define-key map "?" 'git-help) (define-key map "h" 'git-help) @@ -1170,6 +1275,7 @@ Return the list of files that haven't been handled." (define-key map "q" 'git-status-quit) (define-key map "r" 'git-remove-file) (define-key map "R" 'git-resolve-file) + (define-key map "t" toggle-map) (define-key map "T" 'git-toggle-all-marks) (define-key map "u" 'git-unmark-file) (define-key map "U" 'git-revert-file) @@ -1186,6 +1292,11 @@ Return the list of files that haven't been handled." (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) + ; the toggle submap + (define-key toggle-map "u" 'git-toggle-show-uptodate) + (define-key toggle-map "i" 'git-toggle-show-ignored) + (define-key toggle-map "k" 'git-toggle-show-unknown) + (define-key toggle-map "m" 'git-toggle-all-marks) (setq git-status-mode-map map))) ;; git mode should only run in the *git status* buffer @@ -1207,6 +1318,9 @@ Commands: (let ((status (ewoc-create 'git-fileinfo-prettyprint "" ""))) (set (make-local-variable 'git-status) status)) (set (make-local-variable 'list-buffers-directory) default-directory) + (make-local-variable 'git-show-uptodate) + (make-local-variable 'git-show-ignored) + (make-local-variable 'git-show-unknown) (run-hooks 'git-status-mode-hook))) (defun git-find-status-buffer (dir) @@ -1235,9 +1349,24 @@ Commands: (cd dir) (git-status-mode) (git-refresh-status) - (goto-char (point-min))) + (goto-char (point-min)) + (add-hook 'after-save-hook 'git-update-saved-file)) (message "%s is not a git working tree." dir))) +(defun git-update-saved-file () + "Update the corresponding git-status buffer when a file is saved. +Meant to be used in `after-save-hook'." + (let* ((file (expand-file-name buffer-file-name)) + (dir (condition-case nil (git-get-top-dir (file-name-directory file)) (error nil))) + (buffer (and dir (git-find-status-buffer dir)))) + (when buffer + (with-current-buffer buffer + (let ((filename (file-relative-name file dir))) + ; skip files located inside the .git directory + (unless (string-match "^\\.git/" filename) + (git-call-process-env nil nil "add" "--refresh" "--" filename) + (git-update-status-files (list filename) 'uptodate))))))) + (defun git-help () "Display help for Git mode." (interactive) |