vis

commit 02e696eb2a5493b36e0155fb9ef9920db3dab716
parent db1742e3947cb520680d279dfae830e21f9af96e
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Tue, 21 Feb 2017 14:47:05 +0100

sam: make sure all commands can be undone

Take a snapshot before and after processing the transcript.

Diffstat:
M
sam.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/sam.c b/sam.c
@@ -1137,6 +1137,7 @@ enum SamError sam_cmd(Vis *vis, const char *s) {
 			err = t->error;
 			continue;
 		}
+		vis_file_snapshot(vis, file);
 		ptrdiff_t delta = 0;
 		for (Change *c = t->changes; c; c = c->next) {
 			c->range.start += delta;
@@ -1176,6 +1177,7 @@ enum SamError sam_cmd(Vis *vis, const char *s) {
 			}
 		}
 		sam_transcript_free(&file->transcript);
+		vis_file_snapshot(vis, file);
 	}
 
 	if (vis->win) {