+ "The face used for unapplied patch names"
+ :group 'stgit)
+
+(defface stgit-modified-file-face
+ '((((class color) (background light)) (:foreground "purple"))
+ (((class color) (background dark)) (:foreground "salmon")))
+ "StGit mode face used for modified file status"
+ :group 'stgit)
+
+(defface stgit-unmerged-file-face
+ '((((class color) (background light)) (:foreground "red" :bold t))
+ (((class color) (background dark)) (:foreground "red" :bold t)))
+ "StGit mode face used for unmerged file status"
+ :group 'stgit)
+
+(defface stgit-unknown-file-face
+ '((((class color) (background light)) (:foreground "goldenrod" :bold t))
+ (((class color) (background dark)) (:foreground "goldenrod" :bold t)))
+ "StGit mode face used for unknown file status"
+ :group 'stgit)
+
+(defface stgit-ignored-file-face
+ '((((class color) (background light)) (:foreground "grey60"))
+ (((class color) (background dark)) (:foreground "grey40")))
+ "StGit mode face used for ignored files")
+
+(defface stgit-file-permission-face
+ '((((class color) (background light)) (:foreground "green" :bold t))
+ (((class color) (background dark)) (:foreground "green" :bold t)))
+ "StGit mode face used for permission changes."
+ :group 'stgit)
+
+(defface stgit-index-work-tree-title-face
+ '((((supports :slant italic)) :slant italic)
+ (t :inherit bold))
+ "StGit mode face used for the \"Index\" and \"Work tree\" titles"
+ :group 'stgit)
+
+
+(defcustom stgit-expand-find-copies-harder
+ nil
+ "Try harder to find copied files when listing patches.
+
+When not nil, runs git diff-tree with the --find-copies-harder
+flag, which reduces performance."
+ :type 'boolean
+ :group 'stgit)
+
+(defconst stgit-file-status-code-strings
+ (mapcar (lambda (arg)
+ (cons (car arg)
+ (propertize (cadr arg) 'face (car (cddr arg)))))
+ '((add "Added" stgit-modified-file-face)
+ (copy "Copied" stgit-modified-file-face)
+ (delete "Deleted" stgit-modified-file-face)
+ (modify "Modified" stgit-modified-file-face)
+ (rename "Renamed" stgit-modified-file-face)
+ (mode-change "Mode change" stgit-modified-file-face)
+ (unmerged "Unmerged" stgit-unmerged-file-face)
+ (unknown "Unknown" stgit-unknown-file-face)
+ (ignore "Ignored" stgit-ignored-file-face)))
+ "Alist of code symbols to description strings")
+
+(defconst stgit-patch-status-face-alist
+ '((applied . stgit-applied-patch-face)
+ (top . stgit-top-patch-face)
+ (unapplied . stgit-unapplied-patch-face)
+ (index . stgit-index-work-tree-title-face)
+ (work . stgit-index-work-tree-title-face))
+ "Alist of face to use for a given patch status")
+
+(defun stgit-file-status-code-as-string (file)
+ "Return stgit status code for FILE as a string"
+ (let* ((code (assq (stgit-file-status file)
+ stgit-file-status-code-strings))
+ (score (stgit-file-cr-score file)))
+ (when code
+ (format "%-11s "
+ (if (and score (/= score 100))
+ (format "%s %s" (cdr code)
+ (propertize (format "%d%%" score)
+ 'face 'stgit-description-face))
+ (cdr code))))))
+
+(defun stgit-file-status-code (str &optional score)
+ "Return stgit status code from git status string"
+ (let ((code (assoc str '(("A" . add)
+ ("C" . copy)
+ ("D" . delete)
+ ("I" . ignore)
+ ("M" . modify)
+ ("R" . rename)
+ ("T" . mode-change)
+ ("U" . unmerged)
+ ("X" . unknown)))))
+ (setq code (if code (cdr code) 'unknown))
+ (when (stringp score)
+ (if (> (length score) 0)
+ (setq score (string-to-number score))
+ (setq score nil)))
+ (if score (cons code score) code)))
+
+(defconst stgit-file-type-strings
+ '((#o100 . "file")
+ (#o120 . "symlink")
+ (#o160 . "subproject"))
+ "Alist of names of file types")
+
+(defun stgit-file-type-string (type)
+ "Return string describing file type TYPE (the high bits of file permission).
+Cf. `stgit-file-type-strings' and `stgit-file-type-change-string'."
+ (let ((type-str (assoc type stgit-file-type-strings)))
+ (or (and type-str (cdr type-str))
+ (format "unknown type %o" type))))
+
+(defun stgit-file-type-change-string (old-perm new-perm)
+ "Return string describing file type change from OLD-PERM to NEW-PERM.
+Cf. `stgit-file-type-string'."
+ (let ((old-type (lsh old-perm -9))
+ (new-type (lsh new-perm -9)))
+ (cond ((= old-type new-type) "")
+ ((zerop new-type) "")
+ ((zerop old-type)
+ (if (= new-type #o100)
+ ""
+ (format " (%s)" (stgit-file-type-string new-type))))
+ (t (format " (%s -> %s)"
+ (stgit-file-type-string old-type)
+ (stgit-file-type-string new-type))))))
+
+(defun stgit-file-mode-change-string (old-perm new-perm)
+ "Return string describing file mode change from OLD-PERM to NEW-PERM.
+Cf. `stgit-file-type-change-string'."
+ (setq old-perm (logand old-perm #o777)
+ new-perm (logand new-perm #o777))
+ (if (or (= old-perm new-perm)
+ (zerop old-perm)
+ (zerop new-perm))
+ ""
+ (let* ((modified (logxor old-perm new-perm))
+ (not-x-modified (logand (logxor old-perm new-perm) #o666)))
+ (cond ((zerop modified) "")
+ ((and (zerop not-x-modified)
+ (or (and (eq #o111 (logand old-perm #o111))
+ (propertize "-x" 'face 'stgit-file-permission-face))
+ (and (eq #o111 (logand new-perm #o111))
+ (propertize "+x" 'face
+ 'stgit-file-permission-face)))))
+ (t (concat (propertize (format "%o" old-perm)
+ 'face 'stgit-file-permission-face)
+ (propertize " -> "
+ 'face 'stgit-description-face)
+ (propertize (format "%o" new-perm)
+ 'face 'stgit-file-permission-face)))))))
+
+(defstruct (stgit-file)
+ old-perm new-perm copy-or-rename cr-score cr-from cr-to status file)
+
+(defun stgit-file-pp (file)
+ (let ((status (stgit-file-status file))
+ (name (if (stgit-file-copy-or-rename file)
+ (concat (stgit-file-cr-from file)
+ (propertize " -> "
+ 'face 'stgit-description-face)
+ (stgit-file-cr-to file))
+ (stgit-file-file file)))
+ (mode-change (stgit-file-mode-change-string
+ (stgit-file-old-perm file)
+ (stgit-file-new-perm file)))
+ (start (point)))
+ (insert (format " %-12s%1s%s%s\n"
+ (stgit-file-status-code-as-string file)
+ mode-change
+ name
+ (propertize (stgit-file-type-change-string
+ (stgit-file-old-perm file)
+ (stgit-file-new-perm file))
+ 'face 'stgit-description-face)))
+ (add-text-properties start (point)
+ (list 'entry-type 'file
+ 'file-data file))))
+
+(defun stgit-find-copies-harder-diff-arg ()
+ "Return the flag to use with `git-diff' depending on the
+`stgit-expand-find-copies-harder' flag."
+ (if stgit-expand-find-copies-harder
+ "--find-copies-harder"
+ "-C"))
+
+(defun stgit-insert-ls-files (args file-flag)
+ (let ((start (point)))
+ (apply 'stgit-run-git
+ (append '("ls-files" "--exclude-standard" "-z") args))
+ (goto-char start)
+ (while (looking-at "\\([^\0]*\\)\0")
+ (let ((name-len (- (match-end 0) (match-beginning 0))))
+ (insert ":0 0 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 " file-flag "\0")
+ (forward-char name-len)))))
+
+(defun stgit-insert-patch-files (patch)
+ "Expand (show modification of) the patch PATCH after the line
+at point."
+ (let* ((patchsym (stgit-patch-name patch))
+ (end (point-marker))
+ (args (list "-z" (stgit-find-copies-harder-diff-arg)))
+ (ewoc (ewoc-create #'stgit-file-pp nil nil t)))
+ (set-marker-insertion-type end t)
+ (setf (stgit-patch-files-ewoc patch) ewoc)
+ (with-temp-buffer
+ (apply 'stgit-run-git
+ (cond ((eq patchsym :work)
+ `("diff-files" ,@args))
+ ((eq patchsym :index)
+ `("diff-index" ,@args "--cached" "HEAD"))
+ (t
+ `("diff-tree" ,@args "-r" ,(stgit-id patchsym)))))
+
+ (when (and (eq patchsym :work))
+ (when stgit-show-ignored
+ (stgit-insert-ls-files '("--ignored" "--others") "I"))
+ (when stgit-show-unknown
+ (stgit-insert-ls-files '("--others") "X"))
+ (sort-regexp-fields nil ":[^\0]*\0\\([^\0]*\\)\0" "\\1"
+ (point-min) (point-max)))