From cae23453bf77ee4b9d037061b13d4f1c094700e1 Mon Sep 17 00:00:00 2001
From: Jonas Fonseca <fonseca@diku.dk>
Date: Wed, 10 Sep 2008 15:46:51 +0200
Subject: [PATCH] main: implement refreshing by just rerunning the original
 command

Also updates NEWS to mention the fix from last commit.
---
 NEWS  |  3 +++
 tig.c | 29 ++++++++++++++++++++++++-----
 2 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/NEWS b/NEWS
index d93fb04..9ebcbea 100644
--- a/NEWS
+++ b/NEWS
@@ -9,6 +9,7 @@ Improvements:
  - F5 also refreshes the current view.
  - Allow line graphics to be disabled with new line-graphics option.
  - Main view: also include the reference names when searching.
+ - Main view: support for refreshing.
  - Stage view: add stage-next action to jump to next diff chunk that can
    be staged. By default bound to '@'.
  - Configure: check for the ncurses header files.
@@ -24,6 +25,8 @@ Bug fixes:
    installed as /bin/sh does not support it.
  - Do not show incomplete boundary commits when --no-walk is used.
  - Documentation: Rename gitlink macro to support AsciiDoc 8.2.3.
+ - Ignore pipe reads with errno "Success" reported after a signals,
+   for example when refreshing doing background loading.
 
 tig-0.11
 --------
diff --git a/tig.c b/tig.c
index 8362ecf..fd0076f 100644
--- a/tig.c
+++ b/tig.c
@@ -4760,6 +4760,15 @@ append_to_rev_graph(struct rev_graph *graph, chtype symbol)
 		commit->graph[commit->graph_size++] = symbol;
 }
 
+static void
+clear_rev_graph(struct rev_graph *graph)
+{
+	graph->boundary = 0;
+	graph->size = graph->pos = 0;
+	graph->commit = NULL;
+	memset(graph->parents, 0, sizeof(*graph->parents));
+}
+
 static void
 done_rev_graph(struct rev_graph *graph)
 {
@@ -4776,9 +4785,7 @@ done_rev_graph(struct rev_graph *graph)
 		}
 	}
 
-	graph->size = graph->pos = 0;
-	graph->commit = NULL;
-	memset(graph->parents, 0, sizeof(*graph->parents));
+	clear_rev_graph(graph);
 }
 
 static void
@@ -4981,6 +4988,8 @@ main_read(struct view *view, char *line)
 	struct commit *commit;
 
 	if (!line) {
+		int i;
+
 		if (!view->lines && !view->parent)
 			die("No revisions match the given arguments.");
 		if (view->lines > 0) {
@@ -4992,6 +5001,9 @@ main_read(struct view *view, char *line)
 			}
 		}
 		update_rev_graph(graph);
+
+		for (i = 0; i < ARRAY_SIZE(graph_stacks); i++)
+			clear_rev_graph(&graph_stacks[i]);
 		return TRUE;
 	}
 
@@ -5111,10 +5123,17 @@ main_request(struct view *view, enum request request, struct line *line)
 {
 	enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
 
-	if (request == REQ_ENTER)
+	switch (request) {
+	case REQ_ENTER:
 		open_view(view, REQ_VIEW_DIFF, flags);
-	else
+		break;
+	case REQ_REFRESH:
+		string_copy(opt_cmd, view->cmd);
+		open_view(view, REQ_VIEW_MAIN, OPEN_RELOAD);
+		break;
+	default:
 		return request;
+	}
 
 	return REQ_NONE;
 }
-- 
2.30.2