X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=tig.c;h=6f4c03f6abd7fdb407e512a073bae48f44f542cd;hb=6b0f9d0419dfe7d93fe74d5c6f5ff3af105494a7;hp=e58a6b65f2f3e3c5e50f15c7c275f569fbdd11aa;hpb=28e376e2624f6dd5fa20caacec996e3468d7f45d;p=tig.git

diff --git a/tig.c b/tig.c
index e58a6b6..6f4c03f 100644
--- a/tig.c
+++ b/tig.c
@@ -61,38 +61,21 @@ struct menu_item {
 
 static bool prompt_menu(const char *prompt, const struct menu_item *items, int *selected);
 
-enum graphic {
-	GRAPHIC_ASCII = 0,
-	GRAPHIC_DEFAULT,
-	GRAPHIC_UTF8
-};
+#define GRAPHIC_ENUM(_) \
+	_(GRAPHIC, ASCII), \
+	_(GRAPHIC, DEFAULT), \
+	_(GRAPHIC, UTF_8)
 
-static const struct enum_map graphic_map[] = {
-#define GRAPHIC_(name) ENUM_MAP(#name, GRAPHIC_##name)
-	GRAPHIC_(ASCII),
-	GRAPHIC_(DEFAULT),
-	GRAPHIC_(UTF8)
-#undef	GRAPHIC_
-};
+DEFINE_ENUM(graphic, GRAPHIC_ENUM);
 
-#define DATE_INFO \
-	DATE_(NO), \
-	DATE_(DEFAULT), \
-	DATE_(LOCAL), \
-	DATE_(RELATIVE), \
-	DATE_(SHORT)
-
-enum date {
-#define DATE_(name) DATE_##name
-	DATE_INFO
-#undef	DATE_
-};
+#define DATE_ENUM(_) \
+	_(DATE, NO), \
+	_(DATE, DEFAULT), \
+	_(DATE, LOCAL), \
+	_(DATE, RELATIVE), \
+	_(DATE, SHORT)
 
-static const struct enum_map date_map[] = {
-#define DATE_(name) ENUM_MAP(#name, DATE_##name)
-	DATE_INFO
-#undef	DATE_
-};
+DEFINE_ENUM(date, DATE_ENUM);
 
 struct time {
 	time_t sec;
@@ -154,23 +137,12 @@ mkdate(const struct time *time, enum date date)
 }
 
 
-#define AUTHOR_VALUES \
-	AUTHOR_(NO), \
-	AUTHOR_(FULL), \
-	AUTHOR_(ABBREVIATED)
-
-enum author {
-#define AUTHOR_(name) AUTHOR_##name
-	AUTHOR_VALUES,
-#undef	AUTHOR_
-	AUTHOR_DEFAULT = AUTHOR_FULL
-};
+#define AUTHOR_ENUM(_) \
+	_(AUTHOR, NO), \
+	_(AUTHOR, FULL), \
+	_(AUTHOR, ABBREVIATED)
 
-static const struct enum_map author_map[] = {
-#define AUTHOR_(name) ENUM_MAP(#name, AUTHOR_##name)
-	AUTHOR_VALUES
-#undef	AUTHOR_
-};
+DEFINE_ENUM(author, AUTHOR_ENUM);
 
 static const char *
 get_author_initials(const char *author)
@@ -207,6 +179,38 @@ get_author_initials(const char *author)
 	return initials;
 }
 
+#define author_trim(cols) (cols == 0 || cols > 5)
+
+static const char *
+mkauthor(const char *text, int cols, enum author author)
+{
+	bool trim = author_trim(cols);
+	bool abbreviate = author == AUTHOR_ABBREVIATED || !trim;
+
+	if (author == AUTHOR_NO)
+		return "";
+	if (abbreviate && text)
+		return get_author_initials(text);
+	return text;
+}
+
+static const char *
+mkmode(mode_t mode)
+{
+	if (S_ISDIR(mode))
+		return "drwxr-xr-x";
+	else if (S_ISLNK(mode))
+		return "lrwxrwxrwx";
+	else if (S_ISGITLINK(mode))
+		return "m---------";
+	else if (S_ISREG(mode) && mode & S_IXUSR)
+		return "-rwxr-xr-x";
+	else if (S_ISREG(mode))
+		return "-rw-r--r--";
+	else
+		return "----------";
+}
+
 
 /*
  * User requests
@@ -337,7 +341,7 @@ get_request(const char *name)
 /* Option and state variables. */
 static enum graphic opt_line_graphics	= GRAPHIC_DEFAULT;
 static enum date opt_date		= DATE_DEFAULT;
-static enum author opt_author		= AUTHOR_DEFAULT;
+static enum author opt_author		= AUTHOR_FULL;
 static bool opt_rev_graph		= TRUE;
 static bool opt_line_number		= FALSE;
 static bool opt_show_refs		= TRUE;
@@ -627,40 +631,30 @@ static struct keybinding default_keybindings[] = {
 	{ 'e',		REQ_EDIT },
 };
 
-#define KEYMAP_INFO \
-	KEYMAP_(GENERIC), \
-	KEYMAP_(MAIN), \
-	KEYMAP_(DIFF), \
-	KEYMAP_(LOG), \
-	KEYMAP_(TREE), \
-	KEYMAP_(BLOB), \
-	KEYMAP_(BLAME), \
-	KEYMAP_(BRANCH), \
-	KEYMAP_(PAGER), \
-	KEYMAP_(HELP), \
-	KEYMAP_(STATUS), \
-	KEYMAP_(STAGE)
-
-enum keymap {
-#define KEYMAP_(name) KEYMAP_##name
-	KEYMAP_INFO
-#undef	KEYMAP_
-};
+#define KEYMAP_ENUM(_) \
+	_(KEYMAP, GENERIC), \
+	_(KEYMAP, MAIN), \
+	_(KEYMAP, DIFF), \
+	_(KEYMAP, LOG), \
+	_(KEYMAP, TREE), \
+	_(KEYMAP, BLOB), \
+	_(KEYMAP, BLAME), \
+	_(KEYMAP, BRANCH), \
+	_(KEYMAP, PAGER), \
+	_(KEYMAP, HELP), \
+	_(KEYMAP, STATUS), \
+	_(KEYMAP, STAGE)
 
-static const struct enum_map keymap_table[] = {
-#define KEYMAP_(name) ENUM_MAP(#name, KEYMAP_##name)
-	KEYMAP_INFO
-#undef	KEYMAP_
-};
+DEFINE_ENUM(keymap, KEYMAP_ENUM);
 
-#define set_keymap(map, name) map_enum(map, keymap_table, name)
+#define set_keymap(map, name) map_enum(map, keymap_map, name)
 
 struct keybinding_table {
 	struct keybinding *data;
 	size_t size;
 };
 
-static struct keybinding_table keybindings[ARRAY_SIZE(keymap_table)];
+static struct keybinding_table keybindings[ARRAY_SIZE(keymap_map)];
 
 static void
 add_keybinding(enum keymap keymap, enum request request, int key)
@@ -1435,6 +1429,7 @@ enum open_flags {
 	OPEN_RELOAD = 4,	/* Reload view even if it is the current. */
 	OPEN_REFRESH = 16,	/* Refresh view using previous command. */
 	OPEN_PREPARED = 32,	/* Open already prepared command. */
+	OPEN_EXTRA = 64,	/* Open extra data from command. */
 };
 
 struct view_ops {
@@ -1482,7 +1477,7 @@ static struct view views[] = {
 	VIEW_(BRANCH, "branch",	&branch_ops, TRUE,  ref_head),
 	VIEW_(HELP,   "help",   &help_ops,   FALSE, ""),
 	VIEW_(PAGER,  "pager",  &pager_ops,  FALSE, ""),
-	VIEW_(STATUS, "status", &status_ops, TRUE,  ""),
+	VIEW_(STATUS, "status", &status_ops, TRUE,  "status"),
 	VIEW_(STAGE,  "stage",	&stage_ops,  TRUE,  ""),
 };
 
@@ -1644,38 +1639,28 @@ draw_date(struct view *view, struct time *time)
 	const char *date = mkdate(time, opt_date);
 	int cols = opt_date == DATE_SHORT ? DATE_SHORT_COLS : DATE_COLS;
 
+	if (opt_date == DATE_NO)
+		return FALSE;
+
 	return draw_field(view, LINE_DATE, date, cols, FALSE);
 }
 
 static bool
 draw_author(struct view *view, const char *author)
 {
-	bool trim = opt_author_cols == 0 || opt_author_cols > 5;
-	bool abbreviate = opt_author == AUTHOR_ABBREVIATED || !trim;
+	bool trim = author_trim(opt_author_cols);
+	const char *text = mkauthor(author, opt_author_cols, opt_author);
 
-	if (abbreviate && author)
-		author = get_author_initials(author);
+	if (opt_author == AUTHOR_NO)
+		return FALSE;
 
-	return draw_field(view, LINE_AUTHOR, author, opt_author_cols, trim);
+	return draw_field(view, LINE_AUTHOR, text, opt_author_cols, trim);
 }
 
 static bool
 draw_mode(struct view *view, mode_t mode)
 {
-	const char *str;
-
-	if (S_ISDIR(mode))
-		str = "drwxr-xr-x";
-	else if (S_ISLNK(mode))
-		str = "lrwxrwxrwx";
-	else if (S_ISGITLINK(mode))
-		str = "m---------";
-	else if (S_ISREG(mode) && mode & S_IXUSR)
-		str = "-rwxr-xr-x";
-	else if (S_ISREG(mode))
-		str = "-rw-r--r--";
-	else
-		str = "----------";
+	const char *str = mkmode(mode);
 
 	return draw_field(view, LINE_MODE, str, STRING_SIZE("-rw-r--r-- "), FALSE);
 }
@@ -1704,6 +1689,43 @@ draw_lineno(struct view *view, unsigned int lineno)
 	return draw_graphic(view, LINE_DEFAULT, &separator, 1, TRUE);
 }
 
+static bool
+draw_refs(struct view *view, struct ref_list *refs)
+{
+	size_t i;
+
+	if (!opt_show_refs || !refs)
+		return FALSE;
+
+	for (i = 0; i < refs->size; i++) {
+		struct ref *ref = refs->refs[i];
+		enum line_type type;
+
+		if (ref->head)
+			type = LINE_MAIN_HEAD;
+		else if (ref->ltag)
+			type = LINE_MAIN_LOCAL_TAG;
+		else if (ref->tag)
+			type = LINE_MAIN_TAG;
+		else if (ref->tracked)
+			type = LINE_MAIN_TRACKED;
+		else if (ref->remote)
+			type = LINE_MAIN_REMOTE;
+		else
+			type = LINE_MAIN_REF;
+
+		if (draw_text(view, type, "[") ||
+		    draw_text(view, type, ref->name) ||
+		    draw_text(view, type, "]"))
+			return TRUE;
+
+		if (draw_text(view, LINE_DEFAULT, " "))
+			return TRUE;
+	}
+
+	return FALSE;
+}
+
 static bool
 draw_view_line(struct view *view, unsigned int lineno)
 {
@@ -1971,14 +1993,16 @@ toggle_option(enum request request)
 }
 
 static void
-maximize_view(struct view *view)
+maximize_view(struct view *view, bool redraw)
 {
 	memset(display, 0, sizeof(display));
 	current_view = 0;
 	display[current_view] = view;
 	resize_display();
-	redraw_display(FALSE);
-	report("");
+	if (redraw) {
+		redraw_display(FALSE);
+		report("");
+	}
 }
 
 
@@ -2382,7 +2406,7 @@ format_arg(const char *name)
 }
 
 static bool
-format_argv(const char ***dst_argv, const char *src_argv[], bool replace, bool first)
+format_argv(const char ***dst_argv, const char *src_argv[], bool first)
 {
 	char buf[SIZEOF_STR];
 	int argc;
@@ -2420,7 +2444,7 @@ format_argv(const char ***dst_argv, const char *src_argv[], bool replace, bool f
 			int len = next - arg;
 			const char *value;
 
-			if (!next || !replace) {
+			if (!next) {
 				len = strlen(arg);
 				value = "";
 
@@ -2435,7 +2459,7 @@ format_argv(const char ***dst_argv, const char *src_argv[], bool replace, bool f
 			if (!string_format_from(buf, &bufpos, "%.*s%s", len, arg, value))
 				return FALSE;
 
-			arg = next && replace ? strchr(next, ')') + 1 : NULL;
+			arg = next ? strchr(next, ')') + 1 : NULL;
 		}
 
 		if (!argv_append(dst_argv, buf))
@@ -2491,53 +2515,26 @@ setup_update(struct view *view, const char *vid)
 	view->start_time = time(NULL);
 }
 
-static bool
-prepare_io(struct view *view, const char *dir, const char *argv[], bool replace)
-{
-	view->dir = dir;
-	return format_argv(&view->argv, argv, replace, !view->prev);
-}
-
-static bool
-prepare_update(struct view *view, const char *argv[], const char *dir)
-{
-	if (view->pipe)
-		end_update(view, TRUE);
-	return prepare_io(view, dir, argv, FALSE);
-}
-
-static bool
-start_update(struct view *view, const char **argv, const char *dir)
-{
-	if (view->pipe)
-		io_done(view->pipe);
-	return prepare_io(view, dir, argv, FALSE) &&
-	       io_run(&view->io, IO_RD, dir, view->argv);
-}
-
-static bool
-prepare_update_file(struct view *view, const char *name)
-{
-	if (view->pipe)
-		end_update(view, TRUE);
-	argv_free(view->argv);
-	return io_open(&view->io, "%s/%s", opt_cdup[0] ? opt_cdup : ".", name);
-}
-
 static bool
 begin_update(struct view *view, const char *dir, const char **argv, enum open_flags flags)
 {
-	bool reload = !!(flags & (OPEN_RELOAD | OPEN_REFRESH | OPEN_PREPARED));
+	bool extra = !!(flags & (OPEN_EXTRA));
+	bool reload = !!(flags & (OPEN_RELOAD | OPEN_REFRESH | OPEN_PREPARED | OPEN_EXTRA));
 	bool refresh = flags & (OPEN_REFRESH | OPEN_PREPARED);
 
 	if (!reload && !strcmp(view->vid, view->id))
 		return TRUE;
 
-	if (view->pipe)
-		end_update(view, TRUE);
+	if (view->pipe) {
+		if (extra)
+			io_done(view->pipe);
+		else
+			end_update(view, TRUE);
+	}
 
 	if (!refresh) {
-		if (!prepare_io(view, dir, argv, TRUE))
+		view->dir = dir;
+		if (!format_argv(&view->argv, argv, !view->prev))
 			return FALSE;
 
 		/* Put the current ref_* value to the view title ref
@@ -2551,7 +2548,8 @@ begin_update(struct view *view, const char *dir, const char **argv, enum open_fl
 	    !io_run(&view->io, IO_RD, view->dir, view->argv))
 		return FALSE;
 
-	setup_update(view, view->id);
+	if (!extra)
+		setup_update(view, view->id);
 
 	return TRUE;
 }
@@ -2698,15 +2696,64 @@ add_line_format(struct view *view, enum line_type type, const char *fmt, ...)
  * View opening
  */
 
+static void
+load_view(struct view *view, enum open_flags flags)
+{
+	if (view->pipe)
+		end_update(view, TRUE);
+	if (!view->ops->open(view, flags)) {
+		report("Failed to load %s view", view->name);
+		return;
+	}
+	restore_view_position(view);
+
+	if (view->pipe && view->lines == 0) {
+		/* Clear the old view and let the incremental updating refill
+		 * the screen. */
+		werase(view->win);
+		view->p_restore = flags & (OPEN_RELOAD | OPEN_REFRESH);
+		report("");
+	} else if (view_is_displayed(view)) {
+		redraw_view(view);
+		report("");
+	}
+}
+
+#define refresh_view(view) load_view(view, OPEN_REFRESH)
+#define reload_view(view) load_view(view, OPEN_RELOAD)
+
+static void
+split_view(struct view *prev, struct view *view)
+{
+	display[1] = view;
+	current_view = 1;
+	view->parent = prev;
+	resize_display();
+
+	if (prev->lineno - prev->offset >= prev->height) {
+		/* Take the title line into account. */
+		int lines = prev->lineno - prev->offset - prev->height + 1;
+
+		/* Scroll the view that was split if the current line is
+		 * outside the new limited view. */
+		do_scroll_view(prev, lines);
+	}
+
+	if (view != prev && view_is_displayed(prev)) {
+		/* "Blur" the previous view. */
+		update_view_title(prev);
+	}
+}
+
 static void
 open_view(struct view *prev, enum request request, enum open_flags flags)
 {
 	bool split = !!(flags & OPEN_SPLIT);
-	bool reload = !!(flags & (OPEN_RELOAD | OPEN_REFRESH | OPEN_PREPARED));
-	bool nomaximize = !!(flags & OPEN_REFRESH);
+	bool reload = !!(flags & (OPEN_RELOAD | OPEN_PREPARED));
 	struct view *view = VIEW(request);
 	int nviews = displayed_views();
-	struct view *base_view = display[0];
+
+	assert(flags ^ OPEN_REFRESH);
 
 	if (view == prev && nviews == 1 && !reload) {
 		report("Already in %s view", view->name);
@@ -2719,14 +2766,9 @@ open_view(struct view *prev, enum request request, enum open_flags flags)
 	}
 
 	if (split) {
-		display[1] = view;
-		current_view = 1;
-		view->parent = prev;
-	} else if (!nomaximize) {
-		/* Maximize the current view. */
-		memset(display, 0, sizeof(display));
-		current_view = 0;
-		display[current_view] = view;
+		split_view(prev, view);
+	} else {
+		maximize_view(view, FALSE);
 	}
 
 	/* No prev signals that this is the first loaded view. */
@@ -2734,46 +2776,31 @@ open_view(struct view *prev, enum request request, enum open_flags flags)
 		view->prev = prev;
 	}
 
-	/* Resize the view when switching between split- and full-screen,
-	 * or when switching between two different full-screen views. */
-	if (nviews != displayed_views() ||
-	    (nviews == 1 && base_view != display[0]))
-		resize_display();
-
-	if (view->ops->open) {
-		if (view->pipe)
-			end_update(view, TRUE);
-		if (!view->ops->open(view, flags)) {
-			report("Failed to load %s view", view->name);
-			return;
-		}
-		restore_view_position(view);
-	}
+	load_view(view, flags);
+}
 
-	if (split && prev->lineno - prev->offset >= prev->height) {
-		/* Take the title line into account. */
-		int lines = prev->lineno - prev->offset - prev->height + 1;
+static void
+open_argv(struct view *prev, struct view *view, const char *argv[], const char *dir, enum open_flags flags)
+{
+	enum request request = view - views + REQ_OFFSET + 1;
 
-		/* Scroll the view that was split if the current line is
-		 * outside the new limited view. */
-		do_scroll_view(prev, lines);
+	if (view->pipe)
+		end_update(view, TRUE);
+	view->dir = dir;
+	
+	if (!argv_copy(&view->argv, argv)) {
+		report("Failed to open %s view: %s", view->name, io_strerror(&view->io));
+	} else {
+		open_view(prev, request, flags | OPEN_PREPARED);
 	}
+}
 
-	if (prev && view != prev && split && view_is_displayed(prev)) {
-		/* "Blur" the previous view. */
-		update_view_title(prev);
-	}
+static void
+open_file(struct view *prev, struct view *view, const char *file, enum open_flags flags)
+{
+	const char *file_argv[] = { opt_cdup, file , NULL };
 
-	if (view->pipe && view->lines == 0) {
-		/* Clear the old view and let the incremental updating refill
-		 * the screen. */
-		werase(view->win);
-		view->p_restore = flags & (OPEN_RELOAD | OPEN_REFRESH);
-		report("");
-	} else if (view_is_displayed(view)) {
-		redraw_view(view);
-		report("");
-	}
+	open_argv(prev, view, file_argv, opt_cdup, flags); 
 }
 
 static void
@@ -2827,7 +2854,7 @@ open_run_request(enum request request)
 		return;
 	}
 
-	if (format_argv(&argv, req->argv, TRUE, FALSE))
+	if (format_argv(&argv, req->argv, FALSE))
 		open_external_viewer(argv, NULL);
 	if (argv)
 		argv_free(argv);
@@ -2977,7 +3004,7 @@ view_driver(struct view *view, enum request request)
 
 	case REQ_MAXIMIZE:
 		if (displayed_views() == 2)
-			maximize_view(view);
+			maximize_view(view, TRUE);
 		break;
 
 	case REQ_OPTIONS:
@@ -3034,7 +3061,7 @@ view_driver(struct view *view, enum request request)
 		 * view itself. Parents to closed view should never be
 		 * followed. */
 		if (view->prev && view->prev != view) {
-			maximize_view(view->prev);
+			maximize_view(view->prev, TRUE);
 			view->prev = view;
 			break;
 		}
@@ -3355,7 +3382,7 @@ log_request(struct view *view, enum request request, struct line *line)
 	switch (request) {
 	case REQ_REFRESH:
 		load_refs();
-		open_view(view, REQ_VIEW_LOG, OPEN_REFRESH);
+		refresh_view(view);
 		return REQ_NONE;
 	default:
 		return pager_request(view, request, line);
@@ -3425,7 +3452,7 @@ static struct view_ops diff_ops = {
  * Help backend
  */
 
-static bool help_keymap_hidden[ARRAY_SIZE(keymap_table)];
+static bool help_keymap_hidden[ARRAY_SIZE(keymap_map)];
 
 static bool
 help_open_keymap_title(struct view *view, enum keymap keymap)
@@ -3434,7 +3461,7 @@ help_open_keymap_title(struct view *view, enum keymap keymap)
 
 	line = add_line_format(view, LINE_HELP_KEYMAP, "[%c] %s bindings",
 			       help_keymap_hidden[keymap] ? '+' : '-',
-			       enum_name(keymap_table[keymap]));
+			       enum_name(keymap_map[keymap]));
 	if (line)
 		line->other = keymap;
 
@@ -3517,7 +3544,7 @@ help_open(struct view *view, enum open_flags flags)
 	add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT);
 	add_line_text(view, "", LINE_DEFAULT);
 
-	for (keymap = 0; keymap < ARRAY_SIZE(keymap_table); keymap++)
+	for (keymap = 0; keymap < ARRAY_SIZE(keymap_map); keymap++)
 		help_open_keymap(view, keymap);
 
 	return TRUE;
@@ -3531,8 +3558,7 @@ help_request(struct view *view, enum request request, struct line *line)
 		if (line->type == LINE_HELP_KEYMAP) {
 			help_keymap_hidden[line->other] =
 				!help_keymap_hidden[line->other];
-			view->p_restore = TRUE;
-			open_view(view, REQ_VIEW_HELP, OPEN_REFRESH);
+			refresh_view(view);
 		}
 
 		return REQ_NONE;
@@ -3700,11 +3726,10 @@ tree_read_date(struct view *view, char *text, bool *read_date)
 		return TRUE;
 
 	} else if (!text) {
-		char *path = *opt_path ? opt_path : ".";
 		/* Find next entry to process */
 		const char *log_file[] = {
 			"git", "log", "--no-color", "--pretty=raw",
-				"--cc", "--raw", view->id, "--", path, NULL
+				"--cc", "--raw", view->id, "--", "%(directory)", NULL
 		};
 
 		if (!view->lines) {
@@ -3713,7 +3738,7 @@ tree_read_date(struct view *view, char *text, bool *read_date)
 			return TRUE;
 		}
 
-		if (!start_update(view, log_file, opt_cdup)) {
+		if (!begin_update(view, opt_cdup, log_file, OPEN_EXTRA)) {
 			report("Failed to load tree data");
 			return TRUE;
 		}
@@ -3834,10 +3859,10 @@ tree_draw(struct view *view, struct line *line, unsigned int lineno)
 		if (draw_mode(view, entry->mode))
 			return TRUE;
 
-		if (opt_author && draw_author(view, entry->author))
+		if (draw_author(view, entry->author))
 			return TRUE;
 
-		if (opt_date && draw_date(view, &entry->time))
+		if (draw_date(view, &entry->time))
 			return TRUE;
 	}
 
@@ -3954,7 +3979,7 @@ tree_grep(struct view *view, struct line *line)
 	struct tree_entry *entry = line->data;
 	const char *text[] = {
 		entry->name,
-		opt_author ? entry->author : "",
+		mkauthor(entry->author, opt_author_cols, opt_author),
 		mkdate(&entry->time, opt_date),
 		NULL
 	};
@@ -4088,6 +4113,7 @@ struct blame {
 static bool
 blame_open(struct view *view, enum open_flags flags)
 {
+	const char *file_argv[] = { opt_cdup, opt_file , NULL };
 	char path[SIZEOF_STR];
 	size_t i;
 
@@ -4097,13 +4123,12 @@ blame_open(struct view *view, enum open_flags flags)
 			return FALSE;
 	}
 
-	if (*opt_ref || !io_open(&view->io, "%s%s", opt_cdup, opt_file)) {
+	if (*opt_ref || !begin_update(view, opt_cdup, file_argv, flags)) {
 		const char *blame_cat_file_argv[] = {
-			"git", "cat-file", "blob", path, NULL
+			"git", "cat-file", "blob", "%(ref):%(file)", NULL
 		};
 
-		if (!string_format(path, "%s:%s", opt_ref, opt_file) ||
-		    !start_update(view, blame_cat_file_argv, opt_cdup))
+		if (!begin_update(view, opt_cdup, blame_cat_file_argv, flags))
 			return FALSE;
 	}
 
@@ -4125,7 +4150,7 @@ blame_open(struct view *view, enum open_flags flags)
 			free(blame->commit);
 	}
 
-	setup_update(view, opt_file);
+	string_format(view->vid, "%s:%s", opt_ref, opt_file);
 	string_format(view->ref, "%s ...", opt_file);
 
 	return TRUE;
@@ -4219,7 +4244,7 @@ blame_read_file(struct view *view, const char *line, bool *read_file)
 		if (view->lines == 0 && !view->prev)
 			die("No blame exist for %s", view->vid);
 
-		if (view->lines == 0 || !start_update(view, blame_argv, opt_cdup)) {
+		if (view->lines == 0 || !begin_update(view, opt_cdup, blame_argv, OPEN_EXTRA)) {
 			report("Failed to load blame data");
 			return TRUE;
 		}
@@ -4321,10 +4346,10 @@ blame_draw(struct view *view, struct line *line, unsigned int lineno)
 		time = &blame->commit->time;
 	}
 
-	if (opt_date && draw_date(view, time))
+	if (draw_date(view, time))
 		return TRUE;
 
-	if (opt_author && draw_author(view, author))
+	if (draw_author(view, author))
 		return TRUE;
 
 	if (draw_field(view, LINE_BLAME_ID, id, ID_COLS, FALSE))
@@ -4402,7 +4427,7 @@ blame_request(struct view *view, enum request request, struct line *line)
 			string_copy(opt_file, blame->commit->filename);
 			if (blame->lineno)
 				view->lineno = blame->lineno;
-			open_view(view, REQ_VIEW_BLAME, OPEN_REFRESH);
+			reload_view(view);
 		}
 		break;
 
@@ -4415,7 +4440,7 @@ blame_request(struct view *view, enum request request, struct line *line)
 			string_copy_rev(opt_ref, blame->commit->parent_id);
 			string_copy(opt_file, blame->commit->parent_filename);
 			setup_blame_parent_line(view, blame);
-			open_view(view, REQ_VIEW_BLAME, OPEN_REFRESH);
+			reload_view(view);
 		}
 		break;
 
@@ -4441,14 +4466,10 @@ blame_request(struct view *view, enum request request, struct line *line)
 				diff_index_argv[7] = "/dev/null";
 			}
 
-			if (!prepare_update(diff, diff_index_argv, NULL)) {
-				report("Failed to allocate diff command");
-				break;
-			}
-			flags |= OPEN_PREPARED;
+			open_argv(view, diff, diff_index_argv, NULL, flags);
+		} else {
+			open_view(view, REQ_VIEW_DIFF, flags);
 		}
-
-		open_view(view, REQ_VIEW_DIFF, flags);
 		if (VIEW(REQ_VIEW_DIFF)->pipe && !strcmp(blame->commit->id, NULL_ID))
 			string_copy_rev(VIEW(REQ_VIEW_DIFF)->ref, NULL_ID);
 		break;
@@ -4544,10 +4565,10 @@ branch_draw(struct view *view, struct line *line, unsigned int lineno)
 	struct branch *branch = line->data;
 	enum line_type type = branch->ref->head ? LINE_MAIN_HEAD : LINE_DEFAULT;
 
-	if (opt_date && draw_date(view, &branch->time))
+	if (draw_date(view, &branch->time))
 		return TRUE;
 
-	if (opt_author && draw_author(view, branch->author))
+	if (draw_author(view, branch->author))
 		return TRUE;
 
 	draw_text(view, type, branch->ref == &branch_all ? "All branches" : branch->ref->name);
@@ -4562,7 +4583,7 @@ branch_request(struct view *view, enum request request, struct line *line)
 	switch (request) {
 	case REQ_REFRESH:
 		load_refs();
-		open_view(view, REQ_VIEW_BRANCH, OPEN_REFRESH);
+		refresh_view(view);
 		return REQ_NONE;
 
 	case REQ_TOGGLE_SORT_FIELD:
@@ -4580,10 +4601,7 @@ branch_request(struct view *view, enum request request, struct line *line)
 		};
 		struct view *main_view = VIEW(REQ_VIEW_MAIN);
 
-		if (!prepare_update(main_view, all_branches_argv, NULL))
-			report("Failed to load view of all branches");
-		else
-			open_view(view, REQ_VIEW_MAIN, OPEN_PREPARED | OPEN_SPLIT);
+		open_argv(view, main_view, all_branches_argv, NULL, OPEN_SPLIT);
 		return REQ_NONE;
 	}
 	default:
@@ -4657,12 +4675,11 @@ branch_open(struct view *view, enum open_flags flags)
 			"--simplify-by-decoration", "--all", NULL
 	};
 
-	if (!start_update(view, branch_log, NULL)) {
+	if (!begin_update(view, NULL, branch_log, flags)) {
 		report("Failed to load branch data");
 		return TRUE;
 	}
 
-	setup_update(view, view->id);
 	branch_open_visitor(view, &branch_all);
 	foreach_ref(branch_open_visitor, view);
 	view->p_restore = TRUE;
@@ -4676,7 +4693,7 @@ branch_grep(struct view *view, struct line *line)
 	struct branch *branch = line->data;
 	const char *text[] = {
 		branch->ref->name,
-		branch->author,
+		mkauthor(branch->author, opt_author_cols, opt_author),
 		NULL
 	};
 
@@ -5028,15 +5045,6 @@ status_draw(struct view *view, struct line *line, unsigned int lineno)
 	return TRUE;
 }
 
-static enum request
-status_load_error(struct view *view, struct view *stage, const char *path)
-{
-	if (displayed_views() == 2 || display[current_view] != view)
-		maximize_view(view);
-	report("Failed to load '%s': %s", path, io_strerror(&stage->io));
-	return REQ_NONE;
-}
-
 static enum request
 status_enter(struct view *view, struct line *line)
 {
@@ -5046,7 +5054,7 @@ status_enter(struct view *view, struct line *line)
 	 * path, so leave it empty. */
 	const char *newpath = status && status->status != 'U' ? status->new.name : NULL;
 	const char *info;
-	enum open_flags split;
+	enum open_flags flags = view_is_displayed(view) ? OPEN_SPLIT : OPEN_DEFAULT;
 	struct view *stage = VIEW(REQ_VIEW_STAGE);
 
 	if (line->type == LINE_STAT_NONE ||
@@ -5063,8 +5071,7 @@ status_enter(struct view *view, struct line *line)
 					"--", "/dev/null", newpath, NULL
 			};
 
-			if (!prepare_update(stage, no_head_diff_argv, opt_cdup))
-				return status_load_error(view, stage, newpath);
+			open_argv(view, stage, no_head_diff_argv, opt_cdup, flags); 
 		} else {
 			const char *index_show_argv[] = {
 				"git", "diff-index", "--root", "--patch-with-stat",
@@ -5072,8 +5079,7 @@ status_enter(struct view *view, struct line *line)
 					oldpath, newpath, NULL
 			};
 
-			if (!prepare_update(stage, index_show_argv, opt_cdup))
-				return status_load_error(view, stage, newpath);
+			open_argv(view, stage, index_show_argv, opt_cdup, flags);
 		}
 
 		if (status)
@@ -5089,8 +5095,7 @@ status_enter(struct view *view, struct line *line)
 				"-C", "-M", "--", oldpath, newpath, NULL
 		};
 
-		if (!prepare_update(stage, files_show_argv, opt_cdup))
-			return status_load_error(view, stage, newpath);
+		open_argv(view, stage, files_show_argv, opt_cdup, flags);
 		if (status)
 			info = "Unstaged changes to %s";
 		else
@@ -5108,8 +5113,7 @@ status_enter(struct view *view, struct line *line)
 			return REQ_NONE;
 		}
 
-		if (!prepare_update_file(stage, newpath))
-			return status_load_error(view, stage, newpath);
+		open_file(view, stage, newpath, flags);
 		info = "Untracked file %s";
 		break;
 
@@ -5120,8 +5124,6 @@ status_enter(struct view *view, struct line *line)
 		die("line type %d not handled in switch", line->type);
 	}
 
-	split = view_is_displayed(view) ? OPEN_SPLIT : OPEN_DEFAULT;
-	open_view(view, REQ_VIEW_STAGE, OPEN_PREPARED | split);
 	if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) {
 		if (status) {
 			stage_status = *status;
@@ -5391,7 +5393,7 @@ status_request(struct view *view, enum request request, struct line *line)
 		return request;
 	}
 
-	open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD);
+	refresh_view(view);
 
 	return REQ_NONE;
 }
@@ -5671,8 +5673,7 @@ stage_request(struct view *view, enum request request, struct line *line)
 		return request;
 	}
 
-	VIEW(REQ_VIEW_STATUS)->p_restore = TRUE;
-	open_view(view, REQ_VIEW_STATUS, OPEN_REFRESH);
+	refresh_view(view->parent);
 
 	/* Check whether the staged entry still exists, and close the
 	 * stage view if it doesn't. */
@@ -5681,18 +5682,7 @@ stage_request(struct view *view, enum request request, struct line *line)
 		return REQ_VIEW_CLOSE;
 	}
 
-	if (stage_line_type == LINE_STAT_UNTRACKED) {
-	    	if (!suffixcmp(stage_status.new.name, -1, "/")) {
-			report("Cannot display a directory");
-			return REQ_NONE;
-		}
-
-		if (!prepare_update_file(view, stage_status.new.name)) {
-			report("Failed to open file: %s", strerror(errno));
-			return REQ_NONE;
-		}
-	}
-	open_view(view, REQ_VIEW_STAGE, OPEN_REFRESH);
+	refresh_view(view);
 
 	return REQ_NONE;
 }
@@ -5810,44 +5800,17 @@ main_draw(struct view *view, struct line *line, unsigned int lineno)
 	if (!commit->author)
 		return FALSE;
 
-	if (opt_date && draw_date(view, &commit->time))
+	if (draw_date(view, &commit->time))
 		return TRUE;
 
-	if (opt_author && draw_author(view, commit->author))
+	if (draw_author(view, commit->author))
 		return TRUE;
 
 	if (opt_rev_graph && draw_graph(view, &commit->graph))
 		return TRUE;
 
-	if (opt_show_refs && commit->refs) {
-		size_t i;
-
-		for (i = 0; i < commit->refs->size; i++) {
-			struct ref *ref = commit->refs->refs[i];
-			enum line_type type;
-
-			if (ref->head)
-				type = LINE_MAIN_HEAD;
-			else if (ref->ltag)
-				type = LINE_MAIN_LOCAL_TAG;
-			else if (ref->tag)
-				type = LINE_MAIN_TAG;
-			else if (ref->tracked)
-				type = LINE_MAIN_TRACKED;
-			else if (ref->remote)
-				type = LINE_MAIN_REMOTE;
-			else
-				type = LINE_MAIN_REF;
-
-			if (draw_text(view, type, "[") ||
-			    draw_text(view, type, ref->name) ||
-			    draw_text(view, type, "]"))
-				return TRUE;
-
-			if (draw_text(view, LINE_DEFAULT, " "))
-				return TRUE;
-		}
-	}
+	if (draw_refs(view, commit->refs))
+		return TRUE;
 
 	draw_text(view, LINE_DEFAULT, commit->title);
 	return TRUE;
@@ -5947,12 +5910,12 @@ main_request(struct view *view, enum request request, struct line *line)
 	switch (request) {
 	case REQ_ENTER:
 		if (view_is_displayed(view) && display[0] != view)
-			maximize_view(view);
+			maximize_view(view, TRUE);
 		open_view(view, REQ_VIEW_DIFF, flags);
 		break;
 	case REQ_REFRESH:
 		load_refs();
-		open_view(view, REQ_VIEW_MAIN, OPEN_REFRESH);
+		refresh_view(view);
 		break;
 	default:
 		return request;
@@ -5984,7 +5947,7 @@ main_grep(struct view *view, struct line *line)
 	struct commit *commit = line->data;
 	const char *text[] = {
 		commit->title,
-		opt_author ? commit->author : "",
+		mkauthor(commit->author, opt_author_cols, opt_author),
 		mkdate(&commit->time, opt_date),
 		NULL
 	};
@@ -6962,10 +6925,8 @@ main(int argc, const char *argv[])
 
 				if (!argv_from_string(argv, &argc, cmd)) {
 					report("Too many arguments");
-				} else if (!prepare_update(next, argv, NULL)) {
-					report("Failed to format command");
 				} else {
-					open_view(view, REQ_VIEW_PAGER, OPEN_PREPARED);
+					open_argv(view, next, argv, NULL, OPEN_DEFAULT);
 				}
 			}