refactor: use _comp_compgen_help for trivial _parse_{help,usage}

Author: akinomyoga

completions/2to3

@@ -27,7 +27,7 @@ _comp_cmd_2to3()
     [[ $was_split ]] && return
 
     if [[ $cur == -* ]]; then
-        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
+        _comp_compgen_help
         [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
         return
     fi

completions/_adb

@@ -37,7 +37,7 @@ _comp_cmd_adb()
     if [[ ! $has_cmd ]]; then
         local tmp=()
         if [[ ! $cur || $cur == -* ]]; then
-            tmp+=($(compgen -W '$(_parse_help "$1" help)' -- "$cur"))
+            _comp_compgen -av tmp help -- help
         fi
         if [[ ! $cur || $cur != -* ]]; then
             tmp+=($("$1" help 2>&1 | awk '$1 == "adb" { print $2 }'))

completions/_eject

@@ -19,7 +19,7 @@ _comp_cmd_eject()
     esac
 
     if [[ $cur == -* ]]; then
-        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
+        _comp_compgen_help
         return
     elif [[ $prev == @(-d|--default) ]]; then
         return

completions/_ionice

@@ -51,7 +51,7 @@ _comp_cmd_ionice()
     esac
 
     if [[ $cur == -* ]]; then
-        COMPREPLY=($(compgen -W '$(_parse_help "$1" -h)' -- "$cur"))
+        _comp_compgen_help -- -h
         return
     fi
 } &&

completions/_mock

@@ -58,7 +58,7 @@ _comp_cmd_mock()
     [[ $was_split ]] && return
 
     if [[ $cur == -* ]]; then
-        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
+        _comp_compgen_help
         [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
     else
         _comp_compgen_filedir '@(?(no)src.r|s)pm'

completions/_repomanage

@@ -13,7 +13,7 @@ _comp_cmd_repomanage()
     [[ $was_split ]] && return
 
     if [[ $cur == -* ]]; then
-        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
+        _comp_compgen_help
         [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
     else
         _comp_compgen_filedir -d

completions/_reptyr

@@ -15,7 +15,7 @@ _comp_cmd_reptyr()
     esac
 
     if [[ $cur == -* ]]; then
-        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
+        _comp_compgen_help
         return
     fi
 

completions/_rtcwake

@@ -26,7 +26,7 @@ _comp_cmd_rtcwake()
 
     [[ $was_split ]] && return
 
-    COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
+    _comp_compgen_help
 } &&
     complete -F _comp_cmd_rtcwake rtcwake
 

completions/_su

@@ -29,7 +29,7 @@ _comp_cmd_su()
     [[ $was_split ]] && return
 
     if [[ $cur == -* ]]; then
-        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
+        _comp_compgen_help
         [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
         return
     fi

completions/_yum

@@ -141,7 +141,7 @@ _comp_cmd_yum()
     [[ $was_split ]] && return
 
     if [[ $cur == -* ]]; then
-        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
+        _comp_compgen_help
         [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
     fi
 } &&