Adds bash-completion script for celery command

extra/bash-completion/celery.bash

@@ -0,0 +1,99 @@
+# This is a bash completion script for celery
+# Redirect it to a file, then source it or copy it to /etc/bash_completion.d
+# to get tab completion. celery must be on your PATH for this to work.
+_celery()
+{
+    local cur basep opts base kval kkey
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    basep="${COMP_WORDS[1]}"
+    opts="worker events beat shell multi amqp status
+          inspect control purge list migrate call result report"
+    fargs="--app= --broker= --loader= --config= --version"
+    dopts="--detach --umask= --gid= --uid= --pidfile= --logfile= --loglevel="
+
+    # find the current subcommand, store in basep'
+    for index in $(seq 1 $((${#COMP_WORDS[@]} - 2)))
+    do
+        basep=${COMP_WORDS[$index]}
+        if [ "${basep:0:2}" != "--" ]; then
+            break;
+        fi
+    done
+
+    if [ "${cur:0:2}" == "--" -a "$cur" != "${cur//=}" ]; then
+        kkey="${cur%=*}"
+        kval="${cur#*=}"
+        case "${kkey}" in
+            --uid)
+                COMPREPLY=( $(compgen -u -- "$kval") )
+                return 0
+            ;;
+            --gid)
+                COMPREPLY=( $(compgen -g -- "$kval") )
+                return 0
+                ;;
+            *)
+            ;;
+        esac
+    fi
+
+    case "${basep}" in
+    worker)
+        COMPREPLY=( $(compgen -W '--concurrency= --pool= --purge --logfile=
+        --loglevel= --hostname= --beat --schedule= --scheduler= --statedb= --events
+        --time-limit= --soft-time-limit= --maxtasksperchild= --queues=
+        --include= --pidfile= --autoscale= --autoreload --no-execv' -- ${cur} ) )
+        return 0
+        ;;
+    inspect)
+        COMPREPLY=( $(compgen -W 'active active_queues ping registered report
+        reserved revoked scheduled stats --help' -- ${cur}) )
+            return 0
+            ;;
+    control)
+        COMPREPLY=( $(compgen -W 'add_consumer autoscale cancel_consumer
+        disable_events enable_events pool_grow pool_shrink
+        rate_limit time_limit --help' -- ${cur}) )
+            return 0
+            ;;
+    multi)
+        COMPREPLY=( $(compgen -W 'start restart stopwait stop show
+        kill names expand get help --quiet --nosplash
+        --verbose --no-color --help' -- ${cur} ) )
+        return 0
+        ;;
+    amqp)
+        COMPREPLY=( $(compgen -W 'queue.declare queue.purge exchange.delete
+        basic.publish exchange.declare queue.delete queue.bind
+        basic.get --help' -- ${cur} ))
+        return 0
+        ;;
+    list)
+        COMPREPLY=( $(compgen -W 'bindings' -- ${cur} ) )
+        return 0
+        ;;
+    shell)
+        COMPREPLY=( $(compgen -W '--ipython --bpython --python
+        --without-tasks --eventlet --gevent' -- ${cur} ) )
+        return 0
+        ;;
+    beat)
+        COMPREPLY=( $(compgen -W '--schedule= --scheduler=
+        --max-interval= $dopts' -- ${cur}  ))
+        return 0
+        ;;
+    events)
+        COMPREPLY=( $(compgen -W '--dump --camera= --freq=
+        --maxrate= $dopts' -- ${cur}))
+        return 0
+        ;;
+    *)
+        ;;
+    esac
+
+   COMPREPLY=($(compgen -W "${opts} ${fargs}" -- ${cur}))
+   return 0
+}
+complete -F _celery celery
+