X-Git-Url: https://git.distorted.org.uk/~mdw/stgit/blobdiff_plain/adeef6bc6f43fbccb1a046e00f57c559ee363737..7cc45294:/contrib/stgit.el

diff --git a/contrib/stgit.el b/contrib/stgit.el
index 7fd3786..b066b14 100644
--- a/contrib/stgit.el
+++ b/contrib/stgit.el
@@ -65,7 +65,9 @@ Argument DIR is the repository path."
     buf))
 
 (defmacro stgit-capture-output (name &rest body)
-  "Capture StGit output and show it in a window at the end."
+  "Capture StGit output and, if there was any output, show it in a window
+at the end.
+Returns nil if there was no output."
   `(let ((output-buf (get-buffer-create ,(or name "*StGit output*")))
          (stgit-dir default-directory)
          (inhibit-read-only t))
@@ -526,7 +528,8 @@ find copied files."
           ("r" .        stgit-refresh)
           ("\C-c\C-r" . stgit-rename)
           ("e" .        stgit-edit)
-          ("c" .        stgit-coalesce)
+          ("M" .        stgit-move-patches)
+          ("S" .        stgit-squash)
           ("N" .        stgit-new)
           ("R" .        stgit-repair)
           ("C" .        stgit-commit)
@@ -562,11 +565,23 @@ Commands:
 
 (defun stgit-add-mark (patchsym)
   "Mark the patch PATCHSYM."
-  (setq stgit-marked-patches (cons patchsym stgit-marked-patches)))
+  (setq stgit-marked-patches (cons patchsym stgit-marked-patches))
+  (save-excursion
+    (when (stgit-goto-patch patchsym)
+      (move-to-column 1)
+      (let ((inhibit-read-only t))
+        (insert-and-inherit ?*)
+        (delete-char 1)))))
 
 (defun stgit-remove-mark (patchsym)
   "Unmark the patch PATCHSYM."
-  (setq stgit-marked-patches (delq patchsym stgit-marked-patches)))
+  (setq stgit-marked-patches (delq patchsym stgit-marked-patches))
+  (save-excursion
+    (when (stgit-goto-patch patchsym)
+      (move-to-column 1)
+      (let ((inhibit-read-only t))
+        (insert-and-inherit ? )
+        (delete-char 1)))))
 
 (defun stgit-clear-marks ()
   "Unmark all patches."
@@ -636,22 +651,19 @@ If that patch cannot be found, return nil."
   "Mark the patch under point."
   (interactive)
   (let ((patch (stgit-patch-at-point t)))
-    (stgit-add-mark patch)
-    (stgit-reload))
+    (stgit-add-mark patch))
   (stgit-next-patch))
 
 (defun stgit-unmark-up ()
   "Remove mark from the patch on the previous line."
   (interactive)
   (stgit-previous-patch)
-  (stgit-remove-mark (stgit-patch-at-point t))
-  (stgit-reload))
+  (stgit-remove-mark (stgit-patch-at-point t)))
 
 (defun stgit-unmark-down ()
   "Remove mark from the patch on the current line."
   (interactive)
   (stgit-remove-mark (stgit-patch-at-point t))
-  (stgit-reload)
   (stgit-next-patch))
 
 (defun stgit-rename (name)
@@ -866,26 +878,82 @@ the work tree and index."
           (apply 'stgit-run "delete" args))
         (stgit-reload)))))
 
-(defun stgit-coalesce (patchsyms)
-  "Coalesce the patches in PATCHSYMS.
-Interactively, coalesce the marked patches."
+(defun stgit-move-patches-target ()
+  "Return the patchsym indicating a target patch for
+`stgit-move-patches'.
+
+This is either the patch at point, or one of :top and :bottom, if
+the point is after or before the applied patches."
+
+  (let ((patchsym (stgit-patch-at-point)))
+    (cond (patchsym patchsym)
+	  ((save-excursion (re-search-backward "^>" nil t)) :top)
+	  (t :bottom))))
+
+(defun stgit-move-patches (patchsyms target-patch)
+  "Move the patches in PATCHSYMS to below TARGET-PATCH.
+If TARGET-PATCH is :bottom or :top, move the patches to the
+bottom or top of the stack, respectively.
+
+Interactively, move the marked patches to where the point is."
+  (interactive (list stgit-marked-patches
+                     (stgit-move-patches-target)))
+  (unless patchsyms
+    (error "Need at least one patch to move"))
+
+  (unless target-patch
+    (error "Point not at a patch"))
+
+  (if (eq target-patch :top)
+      (stgit-capture-output nil
+        (apply 'stgit-run "float" patchsyms))
+
+    ;; need to have patchsyms sorted by position in the stack
+    (let (sorted-patchsyms
+          (series (with-output-to-string
+                    (with-current-buffer standard-output
+                      (stgit-run-silent "series" "--noprefix"))))
+          start)
+      (while (string-match "^\\(.+\\)" series start)
+        (let ((patchsym (intern (match-string 1 series))))
+          (when (memq patchsym patchsyms)
+            (setq sorted-patchsyms (cons patchsym sorted-patchsyms))))
+        (setq start (match-end 0)))
+      (setq sorted-patchsyms (nreverse sorted-patchsyms))
+    
+      (unless (= (length patchsyms) (length sorted-patchsyms))
+        (error "Internal error"))
+
+      (while sorted-patchsyms
+        (setq sorted-patchsyms
+              (and (stgit-capture-output nil
+                     (if (eq target-patch :bottom)
+                         (stgit-run "sink" "--" (car sorted-patchsyms))
+                       (stgit-run "sink" "--to" target-patch "--"
+                                  (car sorted-patchsyms))))
+                   (cdr sorted-patchsyms))))))
+  (stgit-reload))
+
+(defun stgit-squash (patchsyms)
+  "Squash the patches in PATCHSYMS.
+Interactively, squash the marked patches."
   (interactive (list stgit-marked-patches))
   (when (< (length patchsyms) 2)
-    (error "Need at least two patches to coalesce"))
+    (error "Need at least two patches to squash"))
   (let ((edit-buf (get-buffer-create "*StGit edit*"))
         (dir default-directory))
-    (log-edit 'stgit-confirm-coalesce t nil edit-buf)
+    (log-edit 'stgit-confirm-squash t nil edit-buf)
     (set (make-local-variable 'stgit-patchsyms) patchsyms)
     (setq default-directory dir)
     (let ((standard-output edit-buf))
-      (apply 'stgit-run-silent "coalesce" "--save-template=-" patchsyms))))
+      (apply 'stgit-run-silent "squash" "--save-template=-" patchsyms))))
 
-(defun stgit-confirm-coalesce ()
+(defun stgit-confirm-squash ()
   (interactive)
   (let ((file (make-temp-file "stgit-edit-")))
     (write-region (point-min) (point-max) file)
     (stgit-capture-output nil
-      (apply 'stgit-run "coalesce" "-f" file stgit-patchsyms))
+      (apply 'stgit-run "squash" "-f" file stgit-patchsyms))
     (with-current-buffer log-edit-parent-buffer
       (stgit-clear-marks)
       ;; Go to first marked patch and stay there