bash completion: Complete ‘guix style -f’ with files.

* etc/completion/bash/guix (_guix_is_dash_f):
Recognise ‘--whole-file’ as a member of the ‘-f’ family.
(_guix_complete): Add a new clause for ‘guix style’.

Reported by cmiller in #guix.

Change-Id: I3f55f7fd7fb8610dc13770ebfe70d9f65c1497af

1 files changed, 10 insertions, 1 deletions

diff --git a/etc/completion/bash/guix b/etc/completion/bash/guix
index 7b1f639371f..ab441a2540f 100644
--- a/etc/completion/bash/guix
+++ b/etc/completion/bash/guix
@@ -139,7 +139,8 @@ _guix_is_dash_f ()
 {
     _guix_is_short_option f ||
     _guix_is_long_option file ||
-    _guix_is_long_option install-from-file
+    _guix_is_long_option install-from-file ||
+    _guix_is_long_option whole-file
 }
 
 _guix_is_dash_l ()
@@ -333,6 +334,14 @@ _guix_complete ()
                 else
                     _guix_complete_available_package "$word_at_point"
                 fi
+            elif [[ "$command" = "style" ]]
+            then
+                if _guix_is_dash_f
+                then
+                    _guix_complete_file
+                else
+                    _guix_complete_available_package "$word_at_point"
+                fi
             else
                 _guix_complete_available_package "$word_at_point"
             fi