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[elpa] 01/05: Trigger ggtags-update-tags based on visited file modtime
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From: |
Leo Liu |
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Subject: |
[elpa] 01/05: Trigger ggtags-update-tags based on visited file modtime |
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Date: |
Sat, 01 Mar 2014 09:57:35 +0000 |
leoliu pushed a commit to branch master
in repository elpa.
commit 2abd61884ee42a9c61f6958530ab15e5247098ad
Author: Leo Liu <address@hidden>
Date: Wed Feb 26 10:20:07 2014 +0800
Trigger ggtags-update-tags based on visited file modtime
---
ggtags.el | 94 ++++++++++++++++++++++++++++++++++++------------------------
1 files changed, 56 insertions(+), 38 deletions(-)
diff --git a/ggtags.el b/ggtags.el
index 4034978..9cce122 100644
--- a/ggtags.el
+++ b/ggtags.el
@@ -3,7 +3,7 @@
;; Copyright (C) 2013-2014 Free Software Foundation, Inc.
;; Author: Leo Liu <address@hidden>
-;; Version: 0.7.11
+;; Version: 0.7.12
;; Keywords: tools, convenience
;; Created: 2013-01-29
;; URL: https://github.com/leoliu/ggtags
@@ -271,38 +271,40 @@ properly update `ggtags-mode-map'."
(:copier nil)
(:type vector)
:named)
- root tag-size has-refs has-path-style has-color dirty-p timestamp)
+ root tag-size has-refs has-path-style has-color dirty-p mtime timestamp)
(defun ggtags-make-project (root)
(check-type root string)
- (when-let (tag-size (nth 7 (file-attributes (expand-file-name "GTAGS"
root))))
- (let* ((default-directory (file-name-as-directory root))
- (rtags-size (nth 7 (file-attributes "GRTAGS")))
- (has-refs
- (when rtags-size
- (and (or (> rtags-size (* 32 1024))
- (with-demoted-errors
- (not (equal "" (ggtags-process-string "global"
"-crs")))))
- 'has-refs)))
- ;; http://thread.gmane.org/gmane.comp.gnu.global.bugs/1518
- (has-path-style
- (with-demoted-errors ; in case `global' not found
- (and (zerop (process-file "global" nil nil nil
- "--path-style" "shorter" "--help"))
- 'has-path-style)))
- ;; http://thread.gmane.org/gmane.comp.gnu.global.bugs/1542
- (has-color
- (with-demoted-errors
- (and (zerop (process-file "global" nil nil nil "--color"
"--help"))
- 'has-color))))
- (puthash default-directory
- (ggtags-project--make :root default-directory
- :tag-size tag-size
- :has-refs has-refs
- :has-path-style has-path-style
- :has-color has-color
- :timestamp (float-time))
- ggtags-projects))))
+ (pcase (nthcdr 5 (file-attributes (expand-file-name "GTAGS" root)))
+ (`(,mtime ,_ ,tag-size . ,_)
+ (let* ((default-directory (file-name-as-directory root))
+ (rtags-size (nth 7 (file-attributes "GRTAGS")))
+ (has-refs
+ (when rtags-size
+ (and (or (> rtags-size (* 32 1024))
+ (with-demoted-errors
+ (not (equal "" (ggtags-process-string "global"
"-crs")))))
+ 'has-refs)))
+ ;; http://thread.gmane.org/gmane.comp.gnu.global.bugs/1518
+ (has-path-style
+ (with-demoted-errors ; in case `global' not found
+ (and (zerop (process-file "global" nil nil nil
+ "--path-style" "shorter" "--help"))
+ 'has-path-style)))
+ ;; http://thread.gmane.org/gmane.comp.gnu.global.bugs/1542
+ (has-color
+ (with-demoted-errors
+ (and (zerop (process-file "global" nil nil nil "--color"
"--help"))
+ 'has-color))))
+ (puthash default-directory
+ (ggtags-project--make :root default-directory
+ :tag-size tag-size
+ :has-refs has-refs
+ :has-path-style has-path-style
+ :has-color has-color
+ :mtime (float-time mtime)
+ :timestamp (float-time))
+ ggtags-projects)))))
(defun ggtags-project-expired-p (project)
(or (< (ggtags-project-timestamp project) 0)
@@ -310,6 +312,18 @@ properly update `ggtags-mode-map'."
(ggtags-project-timestamp project))
ggtags-project-duration)))
+(defun ggtags-project-update-mtime-maybe (&optional project)
+ "Update PROJECT's modtime and if current file is newer.
+Value is new modtime if updated."
+ (let ((project (or project (ggtags-find-project))))
+ (when (and (ggtags-project-p project)
+ (consp (visited-file-modtime))
+ (> (float-time (visited-file-modtime))
+ (ggtags-project-mtime project)))
+ (setf (ggtags-project-dirty-p project) t)
+ (setf (ggtags-project-mtime project)
+ (float-time (visited-file-modtime))))))
+
(defun ggtags-project-oversize-p (&optional project)
(pcase ggtags-oversize-limit
(`nil nil)
@@ -491,7 +505,8 @@ non-nil."
(ggtags-with-current-project
(with-temp-message "`global -u' in progress..."
(ggtags-process-string "global" "-u")
- (setf (ggtags-project-dirty-p (ggtags-find-project)) nil)))))
+ (setf (ggtags-project-dirty-p (ggtags-find-project)) nil)
+ (setf (ggtags-project-mtime (ggtags-find-project)) (float-time))))))
(defvar-local ggtags-completion-cache nil)
@@ -1181,14 +1196,17 @@ Global and Emacs."
(defun ggtags-global-next-error-function ()
(ggtags-move-to-tag)
(ggtags-global-save-start-marker)
+ (and (ggtags-project-update-mtime-maybe)
+ (message "File `%s' is newer than GTAGS"
+ (file-name-nondirectory buffer-file-name)))
(ignore-errors
(ggtags-ensure-global-buffer
- (unless (overlayp ggtags-global-line-overlay)
- (setq ggtags-global-line-overlay (make-overlay (point) (point)))
- (overlay-put ggtags-global-line-overlay 'face 'ggtags-global-line))
- (move-overlay ggtags-global-line-overlay
- (line-beginning-position) (line-end-position)
- (current-buffer))))
+ (unless (overlayp ggtags-global-line-overlay)
+ (setq ggtags-global-line-overlay (make-overlay (point) (point)))
+ (overlay-put ggtags-global-line-overlay 'face 'ggtags-global-line))
+ (move-overlay ggtags-global-line-overlay
+ (line-beginning-position) (line-end-position)
+ (current-buffer))))
(run-hooks 'ggtags-global-next-error-hook))
(define-minor-mode ggtags-navigation-mode nil
@@ -1246,7 +1264,7 @@ Global and Emacs."
(defun ggtags-after-save-function ()
(when (ggtags-find-project)
- (setf (ggtags-project-dirty-p (ggtags-find-project)) t)
+ (ggtags-project-update-mtime-maybe)
;; When oversize update on a per-save basis.
(when (and buffer-file-name (ggtags-project-oversize-p))
(ggtags-with-current-project