Fix auto completion for erdfish-client

- Adds support for:
  - all options (-- and -)
  - all commands and subcommands
  - manager completion

Change-Id: Icb074364795222428dac540224bd389257d0d2a9

redfish-client/etc/bash_completion.d/redfish-client.bash

@@ -1,11 +1,61 @@
-_redfish-client_complete_baseopts()
+_redfish-client()
 {
-    case $2 in
+    local cur prev opts
+    COMPREPLY=()
+    cfgfile=$HOME/.redfish/inventory
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+    opts="--help -h --insecure --debug --inventory -i --debugfile --libdebugfile
+    --config -c --version"
+    cmds="config manager chassis system"
+    confcmds="add del modify show showall"
+    ocmds="getinfo"
+    # done once as used a lot
+    mngrs=`redfish-client config show | tail -n +2`
 
-        --help|-h)
+    if [[ ${cur} == -* ]] ; then
+        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+        return 0
+    fi
+
+    if [ $COMP_CWORD -eq 1 ]; then
+        COMPREPLY=( $(compgen -W "${cmds}" -- ${cur}) )
+    elif [ $COMP_CWORD -eq 2 ]; then
+        case "${prev}" in
+            config)
+                COMPREPLY=( $(compgen -W "${confcmds}" -- ${cur}) )
+                return 0
+                ;;
+            *)
+                COMPREPLY=( $(compgen -W "${ocmds}" -- ${cur}) )
                 return 0
                 ;;
-
         esac
-    return 1
+
+    elif [ $COMP_CWORD -eq 3 ]; then
+        if [ "${COMP_WORDS[COMP_CWORD-2]}" = "config" ]; then
+            case "${prev}" in
+                del|modify)
+                    COMPREPLY=( $(compgen -W "${mngrs}" -- ${cur}) )
+                    return 0
+                    ;;
+            esac
+        else
+            # all other cases are getinfo manager
+            case "${prev}" in
+                getinfo)
+                    COMPREPLY=( $(compgen -W "${mngrs}" -- ${cur}) )
+                    return 0
+                    ;;
+            esac
+        fi
+
+    elif [ $COMP_CWORD -eq 4 ]; then
+        if [ "${COMP_WORDS[COMP_CWORD-3]}" = "config" ] &&
+            [ "${COMP_WORDS[COMP_CWORD-2]}" = "modify" ]; then
+                COMPREPLY=( $(compgen -W "manager_name url login password" -- ${cur}) )
+                return 0
+        fi
+    fi
 }
+complete -F _redfish-client redfish-client