[PATCH 2/4] Update sw_vers completion

[Shohei YOSHIDA <syohex@xxxxxxxxx>]

- Add 'productVersionExtra' flag
- Use '--' double dashes instead of '-' single dash
  Its manpage says "sw_vers is backwards compatible with previous versions
  which expect options passed with a single dash"
---
 Completion/Darwin/Command/_sw_vers | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Completion/Darwin/Command/_sw_vers b/Completion/Darwin/Command/_sw_vers
index 11814e0b0..b5b26580e 100644
--- a/Completion/Darwin/Command/_sw_vers
+++ b/Completion/Darwin/Command/_sw_vers
@@ -1,6 +1,7 @@
 #compdef sw_vers
 
 _arguments : \
-  '(-)-buildVersion[display build version only]' \
-  '(-)-productName[display product name only]' \
-  '(-)-productVersion[display product version only]'
+  '(-)--buildVersion[display build version only]' \
+  '(-)--productName[display product name only]' \
+  '(-)--productVersion[display product version only]' \
+  '(-)--productVersionExtra[display rapid security response version only]'
-- 
2.42.0