nano

commit a1132c81a1f5322f6f7e6ef06b5c0b212dd29ab7
parent 0496aed4aba12fefa520616a527996b4dfcf5179
Author: Benno Schulenberg <bensberg@telfort.nl>
Date:   Tue, 20 Mar 2018 10:31:03 +0100

files: prevent the undo of reading a file into a new buffer

When the file has just been read, it is in the state that it has
on disk, so there is nothing to undo.

This fixes https://savannah.gnu.org/bugs/?53387.

Diffstat:
M
src/files.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/files.c b/src/files.c
@@ -483,7 +483,7 @@ bool open_buffer(const char *filename, bool undoable)
 	/* If we have a non-new file, read it in.  Then, if the buffer has
 	 * no stat, update the stat, if applicable. */
 	if (rc > 0) {
-		read_file(f, rc, realname, undoable, new_buffer);
+		read_file(f, rc, realname, undoable && !new_buffer, new_buffer);
 #ifndef NANO_TINY
 		if (openfile->current_stat == NULL)
 			stat_with_alloc(realname, &openfile->current_stat);