branch: master
commit 5bbcfcf16c9cbeb15e5b1ec3348f96e2951c1370
Author: Alexey Veretennikov <alexey.veretenni...@gmail.com>
Commit: Alexey Veretennikov <alexey.veretenni...@gmail.com>
Started diff model
---
ztree-diff-model.el | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 68 insertions(+), 0 deletions(-)
diff --git a/ztree-diff-model.el b/ztree-diff-model.el
new file mode 100644
index 0000000..3727358
--- /dev/null
+++ b/ztree-diff-model.el
@@ -0,0 +1,68 @@
+;; Diff model
+
+(defun ztree-diff-model-get-left-path (node)
+ (plist-get node 'path))
+
+(defun ztree-diff-model-create-node (left-full-path right-full-path short-name
children different)
+ (let (node)
+ (setq node (plist-put node 'left left-full-path))
+ (setq node (plist-put node 'right right-full-path))
+ (setq node (plist-put node 'short short-name))
+ (setq node (plist-put node 'children children))
+ (setq node (plist-put node 'different different))))
+
+
+(defun file-short-name (file)
+ "Base file/directory name. Taken from
+ http://lists.gnu.org/archive/html/emacs-devel/2011-01/msg01238.html";
+ (printable-string (file-name-nondirectory (directory-file-name file))))
+
+
+(defun ztree-diff-model-files-are-different (file1 file2)
+ (let ((diff-output (shell-command-to-string (concat "diff -q" " " file1 " "
file2))))
+ (> (length diff-output) 2)))
+
+(defun ztree-diff-model-traverse (path1 path2)
+ (let ((list1 (directory-files path1 'full))
+ (list2 (directory-files path2 'full))
+ (result nil))
+ ;; first - adding all files from left directory
+ (dolist (file1 list1)
+ (let ((simple-name (file-short-name file1)))
+ ;; if a file is not a special
+ (if (not (or (string-equal simple-name ".")
+ (string-equal simple-name "..")))
+ ;; find if the file is in the second directory
+ (let ((file2 (ztree-find list2
+ #'(lambda (x) (string-equal
(file-short-name x)
+
simple-name))))
+ (children nil)
+ (different nil))
+ (when (and file2
+ (not (file-directory-p file1))
+ (setq different
+ (ztree-diff-model-files-are-different file1
file2))))
+ (push (ztree-diff-model-create-node file1 file2 simple-name nil
different)
+ result)))))
+ ;; second - adding files from right directory which are missing in first
directory
+ (dolist (file2 list2)
+ (let ((simple-name (file-short-name file2)))
+ ;; if a file is not a special
+ (if (not (or (string-equal simple-name ".")
+ (string-equal simple-name "..")))
+ ;; find if the file is in the second directory
+ (let ((file1 (ztree-find list1
+ #'(lambda (x) (string-equal
(file-short-name x)
+
simple-name))))
+ (children nil))
+ (when (not file1)
+ (push (ztree-diff-model-create-node nil file2 simple-name
children nil)
+ result))))))
+ result))
+
+(dolist (diff
+ (ztree-diff-model-traverse "/Users/alexeyv/Sources/Science/libsexp"
+
"/Users/alexeyv/Sources/Science/libsexpv1"))
+ (print diff))
+
+
