contrib: added bash completion

Signed-off-by: Miquel Sabaté Solà <msabate@suse.com>

contrib/bash-completion/_consul

@@ -0,0 +1,264 @@
+# This completion file has been inspired by the completion files of the Git and
+# the Docker projects.
+
+__consulcomp() {
+    local all c s=$'\n' IFS=' '$'\t'$'\n'
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+
+    for c in $1; do
+        case "$c$4" in
+            --*=*) all="$all$c$4$s" ;;
+            *)     all="$all$c$4 $s" ;;
+        esac
+    done
+    IFS=$s
+    COMPREPLY=($(compgen -P "$2" -W "$all" -- "$cur"))
+    return
+}
+
+__consul_agent() {
+    local subcommands="
+    -advertise
+    -advertise-wan
+    -atlas
+    -atlas-join
+    -atlas-token
+    -atlas-endpoint
+    -bootstrap
+    -bind
+    -http-port
+    -bootstrap-expect
+    -client
+    -config-file
+    -config-dir
+    -data-dir
+    -recursor
+    -dc
+    -encrypt
+    -join
+    -join-wan
+    -retry-join
+    -retry-interval
+    -retry-max-wan
+    -log-level
+    -node
+    -protocol
+    -rejoin
+    -server
+    -syslog
+    -ui
+    -ui-dir
+    -pid-file
+    "
+    __consulcomp "-help $subcommands"
+}
+
+__consul_configtest() {
+    local subcommands="
+    -config-file
+    -config-dir
+    "
+    __consulcomp "-help $subcommands"
+}
+
+__consul_event() {
+    local subcommands="
+    -http-addr
+    -datacenter
+    -name
+    -node
+    -service
+    -tag
+    -token
+    "
+    __consulcomp "-help $subcommands"
+}
+
+__consul_exec() {
+    local subcommands="
+    -http-addr
+    -datacenter
+    -prefix
+    -node
+    -service
+    -tag
+    -wait
+    -wait-repl
+    -token
+    "
+
+    __consulcomp "-help $subcommands"
+}
+
+__consul_force_leave() {
+    __consulcomp "-help -rpc-addr"
+}
+
+__consul_info() {
+    __consulcomp "-help -rpc-addr"
+}
+
+__consul_join() {
+    local subcommands="
+    -rpc-addr
+    -wan
+    "
+
+    __consulcomp "-help $subcommands"
+}
+
+__consul_keygen() {
+    # NOTE: left empty on purpose.
+    return
+}
+
+__consul_keyring() {
+    local subcommands="
+    -install
+    -list
+    -remove
+    -token
+    -use
+    -rpc-addr
+    "
+
+    __consulcomp "-help $subcommands"
+}
+
+__consul_leave() {
+    __consulcomp "-help -rpc-addr"
+}
+
+__consul_lock() {
+    local subcommands="
+    -http-addr
+    -n
+    -name
+    -token
+    -pass-stdin
+    -try
+    -monitor-retry
+    -verbose
+    "
+
+    __consulcomp "-help $subcommands"
+}
+
+__consul_maint() {
+    local subcommands="
+    -enable
+    -disable
+    -reason
+    -service
+    -token
+    -http-addr
+    "
+
+    __consulcomp "-help $subcommands"
+}
+
+__consul_members() {
+    local subcommands="
+    -detailed
+    -rpc-addr
+    -status
+    -wan
+    "
+
+    __consulcomp "-help $subcommands"
+}
+
+__consul_monitor() {
+    local subcommands="
+    -log-level
+    -rpc-addr
+    "
+
+    __consulcomp "-help $subcommands"
+}
+
+__consul_reload() {
+    __consulcomp "-help -rpc-addr"
+}
+
+__consul_rtt() {
+    local subcommands="
+    -wan
+    -http-addr
+    "
+
+    __consulcomp "-help $subcommands"
+}
+
+__consul_version() {
+    # NOTE: left empty on purpose.
+    return
+}
+
+__consul_watch() {
+    local subcommands="
+    -http-addr
+    -datacenter
+    -token
+    -key
+    -name
+    -passingonly
+    -prefix
+    -service
+    -state
+    -tag
+    -type
+    "
+
+    __consulcomp "-help $subcommands"
+}
+
+__consul() {
+    local c=1 command
+    while [ $c -lt $COMP_CWORD ]; do
+        cmd="${COMP_WORDS[c]}"
+        case "$cmd" in
+            -*) ;;
+            *) command="$cmd"
+        esac
+        c=$((++c))
+    done
+
+    local cmds="
+    agent
+    configtest
+    event
+    exec
+    force-leave
+    info
+    join
+    keygen
+    keyring
+    leave
+    lock
+    maint
+    members
+    monitor
+    reload
+    rtt
+    version
+    watch
+    "
+
+    local globalflags="--help --version"
+
+    # Complete a command.
+    if [ $c -eq $COMP_CWORD -a -z "$command" ]; then
+        case "${COMP_WORDS[COMP_CWORD]}" in
+            -*|--*) __consulcomp "$globalflags" ;;
+            *)      __consulcomp "$cmds" ;;
+        esac
+        return
+    fi
+
+    # Command options.
+    local completion_func="__consul_${command//-/_}"
+    declare -f $completion_func >/dev/null && $completion_func && return
+}
+
+complete -o default -o nospace -F __consul consul