From d37f266524803de945af25c4e9fff8209e927374 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Wed, 12 Nov 2014 22:57:06 +0000
Subject: [PATCH] Add -b to splitw like joinw, from Felix Rosencrantz.

---
 cmd-split-window.c | 7 ++++---
 tmux.1             | 6 +++++-
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/cmd-split-window.c b/cmd-split-window.c
index b05a2faf..7e34e523 100644
--- a/cmd-split-window.c
+++ b/cmd-split-window.c
@@ -37,8 +37,8 @@ enum cmd_retval	 cmd_split_window_exec(struct cmd *, struct cmd_q *);
 
 const struct cmd_entry cmd_split_window_entry = {
 	"split-window", "splitw",
-	"c:dF:l:hp:Pt:v", 0, -1,
-	"[-dhvP] [-c start-directory] [-F format] [-p percentage|-l size] "
+	"bc:dF:l:hp:Pt:v", 0, -1,
+	"[-bdhvP] [-c start-directory] [-F format] [-p percentage|-l size] "
 	CMD_TARGET_PANE_USAGE " [command]",
 	0,
 	cmd_split_window_exec
@@ -145,7 +145,8 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
 	if (*shell == '\0' || areshell(shell))
 		shell = _PATH_BSHELL;
 
-	if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) {
+	lc = layout_split_pane(wp, type, size, args_has(args, 'b'));
+	if (lc == NULL) {
 		cause = xstrdup("pane too small");
 		goto error;
 	}
diff --git a/tmux.1 b/tmux.1
index f13bdf06..0ff611d0 100644
--- a/tmux.1
+++ b/tmux.1
@@ -1757,7 +1757,7 @@ is given and the selected window is already the current window,
 the command behaves like
 .Ic last-window .
 .It Xo Ic split-window
-.Op Fl dhvP
+.Op Fl bdhvP
 .Op Fl c Ar start-directory
 .Oo Fl l
 .Ar size |
@@ -1781,6 +1781,10 @@ and
 .Fl p
 options specify the size of the new pane in lines (for vertical split) or in
 cells (for horizontal split), or as a percentage, respectively.
+The
+.Fl b
+option causes the new pane to be created to the left of or above
+.Ar target-pane .
 All other options have the same meaning as for the
 .Ic new-window
 command.