Hi,
Attached is a patch which adds support for a TMUX_TMPDIR environment
variable to set the directory for tmux sockets. The TMPDIR variable
isn't acceptable here since it always appends "/tmux-$UID" to the
directory.
My use case is to put all of my sockets into XDG_RUNTIME_DIR. It would
also allow setups with shared tmux usage without having to
remember/alias -S onto all of the commands and without sharing
everything which uses TMPDIR.
Since I'm guessing direct usage of XDG_RUNTIME_DIR (based on previous
discussion about XDG_* environment support) wouldn't be accepted, a more
general way which I can use to put sockets there is acceptable for me.
Thanks,
--Ben
>From 56057f3d7b33f78512d1ec68f37e1d7cb0c32f87 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <maths...@gmail.com>
Date: Tue, 19 Mar 2013 15:05:01 -0400
Subject: [PATCH] Support TMUX_TMPDIR
---
tmux.1 | 10 ++++++----
tmux.c | 8 +++++---
2 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/tmux.1 b/tmux.1
index bd56044..4062261 100644
--- a/tmux.1
+++ b/tmux.1
@@ -139,11 +139,13 @@ shows any error messages from commands in configuration
files in the first
session created, and continues to process the rest of the configuration file.
.It Fl L Ar socket-name
.Nm
-stores the server socket in a directory under
-.Pa /tmp
-(or
+stores the server socket in
+.Ev TMUX_TMPDIR
+if set, otherwise in a directory under
.Ev TMPDIR
-if set);
+(defauting to
+.Pa /tmp
+if unset);
the default socket is named
.Em default .
This option allows a different socket name to be specified, allowing several
diff --git a/tmux.c b/tmux.c
index 4b58aba..32050f7 100644
--- a/tmux.c
+++ b/tmux.c
@@ -167,10 +167,12 @@ makesocketpath(const char *label)
u_int uid;
uid = getuid();
- if ((s = getenv("TMPDIR")) == NULL || *s == '\0')
- xsnprintf(base, sizeof base, "%s/tmux-%u", _PATH_TMP, uid);
- else
+ if ((s = getenv("TMUX_TMPDIR")) != NULL && *s != '\0')
+ xsnprintf(base, sizeof base, "%s/", s);
+ else if ((s = getenv("TMPDIR")) != NULL && *s != '\0')
xsnprintf(base, sizeof base, "%s/tmux-%u", s, uid);
+ else
+ xsnprintf(base, sizeof base, "%s/tmux-%u", _PATH_TMP, uid);
if (mkdir(base, S_IRWXU) != 0 && errno != EEXIST)
return (NULL);
--
1.8.1.4
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