added _primus completion for primusrun

src/_primus

@@ -0,0 +1,43 @@
+# compdef primus
+# ------------------------------------------------------------------------------
+# Description
+# -----------
+#
+#  Completion script for primus (https://github.com/amonakov/primus).
+#
+# ------------------------------------------------------------------------------
+# Authors
+# -------
+#
+#  * Christophe-Marie Duquesne <chm.duquesne@gmail.com>
+#
+# ------------------------------------------------------------------------------
+
+
+local curcontext="$curcontext" state line
+typeset -A opt_args
+
+args=(
+    '--version[output version information]'
+    '(-h --help)'{-h,--help}'[show help]'
+    '(-c --vgl-compress)'{-c,--vgl-compress}'[image transport method]:method:(proxy jpeg rgb xb yuv)'
+    '--failsafe[run a program even if the nvidia card is unavailable]'
+    '--no-failsafe[do not run a program if the nvidia card is unavailable]'
+    '--vgl-options[options to be passed to vglrun (example: +tr)]'
+    '(-q --quiet --silent)'{-q,--quiet,--silent}'[supress all logging messages]'
+    '(-v --verbose)'{-v,--verbose}'[increase the verbosity level of log messages]'
+    '--debug[set the verbosity level to the maximum]'
+    '(-d --display)'{-d,--display}'[the X display number to use]'
+    '(-C --config)'{-C,--config}'[retrieve settings for Bumblebee from FILE]:file:_files'
+    '(-l --ldpath)'{-l,--ldpath}'[PATH the libraries like libGL.so are searched in]:file:_files -/'
+    '(-s --socket)'{-s,--socket}'[use FILE for communication with the daemon]:file:_files'
+)
+
+_arguments $args
+#  -c, --vgl-compress METHOD  image compression or transport to use with
+#                               VirtualGL. Valid values for METHOD are proxy,
+#                               jpeg, rgb, xv and yuv. Changing this setting
+#                               may affect performance, CPU usage and image
+#                               quality
+#  -d, --display DISPLAY   the X display number to use
+