bash-completion: complete 'clean|groups|repolist' using help

Reported-by: Parag Nemade <pnemade@redhat.com> Reference: rpm-software-management#159 (comment)
ignatenkobrain · Sep 10, 2014 · 458bb4e · 458bb4e · akozumpl · Sep 10, 2014
1 parent 74b7921
commit 458bb4e
Showing 1 changed file with 33 additions and 0 deletions.
diff --git a/etc/bash_completion.d/dnf-completion.bash b/etc/bash_completion.d/dnf-completion.bash
@@ -20,6 +20,11 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 # 02110-1301  USA
 
+_dnf_help_command()
+{
+    eval "$2='$( dnf help $1 | perl -ne "next unless /^$1/; s|.*?\[(.*?)\].*|\1|g; s/\|/ /g; print; exit" )'"
+}
+
 _dnf()
 {
     local commandlist="$( compgen -W '$( dnf help | cut -d" " -s -f1 | sed -e "/^[A-Z]/d" -e "/:/d" )' )"
@@ -59,6 +64,7 @@ _dnf()
 
     $split && return
 
+    local comp
     if [[ $command ]]; then
 
         case $command in
@@ -88,6 +94,33 @@ _dnf()
                 esac
                 ext=''
                 ;;
+            clean)
+                _dnf_help_command "clean" comp
+                COMPREPLY=( $( compgen -W '$( echo $comp )' -- "$cur" ) )
+                ext=''
+                ;;
+            repolist)
+                case $nth in
+                    1)
+                        _dnf_help_command "repolist" comp
+                        COMPREPLY=( $( compgen -W '$( echo $comp )' -- "$cur" ) )
+                        ;;
+                    *)
+                        ;;
+                esac
+                ext=''
+                ;;
+            group)
+                case $nth in
+                    1)
+                        _dnf_help_command "group" comp
+                        COMPREPLY=( $( compgen -W '$( echo $comp )' -- "$cur" ) )
+                        ;;
+                    *)
+                        ;;
+                esac
+                ext=''
+                ;;
             *)
                 ext=''
                 ;;