clipmenu

commit 35a3cb2e8ad43e8bb796570379ccd80d0b3a37bc
parent ef3102c5e9c8c927afc0c463f0bbe372a75a815b
Author: Chris Down <chris@chrisdown.name>
Date:   Sun, 29 Oct 2017 02:04:37 +0000

Use /proc/self/fd/2 instead of /dev/stderr where possible

/dev/stderr is not standardised, whereas /proc/self/fd is provided by
the kernel. Add a fallback for non-Linux.

Diffstat:
M
clipmenud
 | 
9
++++++++-

1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/clipmenud b/clipmenud
@@ -12,8 +12,15 @@ cache_file=$cache_dir/line_cache
 lock_file=$cache_dir/lock
 lock_timeout=2
 
+xsel_log=/dev/null
+for file in /proc/self/fd/2 /dev/stderr; do
+    [[ -e "$file" ]] || continue
+    xsel_log="$file"
+    break
+done
+
 _xsel() {
-    timeout 1 xsel --logfile /dev/stderr "$@"
+    timeout 1 xsel --logfile "$xsel_log" "$@"
 }
 
 get_first_line() {