extras/lttng-bash_completion

   1 #
   2 # Copyright (c) - 2012 Simon Marchi <simon.marchi@polymtl.ca>
   3 #
   4 # This program is free software; you can redistribute it and/or modify it under
   5 # the terms of the GNU General Public License as published by as published by
   6 # the Free Software Foundation; only version 2 of the License.
   7 #
   8 # This program is distributed in the hope that it will be useful, but WITHOUT
   9 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  11 # more details.
  12 #
  13 # You should have received a copy of the GNU General Public License along with
  14 # this program; if not, write to the Free Software Foundation, Inc., 51
  15 # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16 #
  17
  18 _lttng_complete_sessions() {
  19         # TODO, maybe have a lttng list --simple or something like that
  20         return
  21 }
  22
  23 _lttng_cmd_add_context() {
  24         local add_context_opts
  25         add_context_opts=$(lttng add-context --list-options)
  26
  27         case $prev in
  28         --session|-s)
  29                 _lttng_complete_sessions
  30                 return
  31                 ;;
  32         --channel|-c)
  33                 return
  34                 ;;
  35         --event|-e)
  36                 return
  37                 ;;
  38         --type|-t)
  39                 return
  40                 ;;
  41         esac
  42
  43         case $cur in
  44         -*)
  45                 COMPREPLY=( $(compgen -W "${add_context_opts}" -- $cur) )
  46                 return
  47                 ;;
  48         esac
  49 }
  50
  51 _lttng_cmd_create() {
  52         local create_opts
  53         create_opts=$(lttng create --list-options)
  54
  55         case $prev in
  56         --output|-o)
  57                 _filedir -d
  58                 return
  59                 ;;
  60         esac
  61
  62         case $cur in
  63         -*)
  64                 COMPREPLY=( $(compgen -W "${create_opts}" -- $cur) )
  65                 return
  66                 ;;
  67         esac
  68 }
  69
  70 _lttng_cmd_destroy() {
  71         local destroy_opts
  72         destroy_opts=$(lttng destroy --list-options)
  73
  74         case $cur in
  75         -*)
  76                 COMPREPLY=( $(compgen -W "${destroy_opts}" -- $cur) )
  77                 ;;
  78         *)
  79                 _lttng_complete_sessions
  80                 ;;
  81         esac
  82 }
  83
  84 _lttng_cmd_enablechannel() {
  85         local enable_channel_opts
  86         enable_channel_opts=$(lttng enable-channel --list-options)
  87
  88         case $prev in
  89         --session|-s)
  90                 _lttng_complete_sessions
  91                 return
  92                 ;;
  93         esac
  94
  95         case $cur in
  96         -*)
  97                 COMPREPLY=( $(compgen -W "${enable_channel_opts}" -- $cur) )
  98                 return
  99                 ;;
 100         esac
 101 }
 102
 103 _lttng_cmd_enableevent() {
 104         local enable_event_opts
 105         enable_event_opts=$(lttng enable-event --list-options)
 106
 107         case $prev in
 108         --session|-s)
 109                 _lttng_complete_sessions
 110                 return
 111                 ;;
 112         --channel|-c)
 113                 return
 114                 ;;
 115         --probe)
 116                 return
 117                 ;;
 118         --function)
 119                 return
 120                 ;;
 121         esac
 122
 123         case $cur in
 124         -*)
 125                 COMPREPLY=( $(compgen -W "${enable_event_opts}" -- $cur) )
 126                 return
 127                 ;;
 128         esac
 129 }
 130
 131 _lttng_cmd_disablechannel() {
 132         local disable_channel_opts
 133         disable_channel_opts=$(lttng disable-channel --list-options)
 134
 135         case $prev in
 136         --session|-s)
 137                 _lttng_complete_sessions
 138                 return
 139                 ;;
 140         esac
 141
 142         case $cur in
 143         -*)
 144                 COMPREPLY=( $(compgen -W "${disable_channel_opts}" -- $cur) )
 145                 return
 146                 ;;
 147         esac
 148 }
 149
 150 _lttng_cmd_disable_event() {
 151         local disable_event_opts
 152         disable_channel_opts=$(lttng disable-event --list-options)
 153
 154         case $prev in
 155         --session|-s)
 156                 _lttng_complete_sessions
 157                 return
 158                 ;;
 159         --channel|-c)
 160                 return
 161                 ;;
 162         esac
 163
 164         case $cur in
 165         -*)
 166                 COMPREPLY=( $(compgen -W "${disable_event_opts}" -- $cur) )
 167                 return
 168                 ;;
 169         esac
 170 }
 171
 172 _lttng_cmd_list() {
 173         local list_opts
 174         list_opts=$(lttng list --list-options)
 175
 176         case $prev in
 177         --channel|-c)
 178                 return
 179                 ;;
 180         esac
 181
 182         case $cur in
 183         -*)
 184                 COMPREPLY=( $(compgen -W "${list_opts}" -- $cur) )
 185                 return
 186                 ;;
 187         esac
 188 }
 189
 190 _lttng_cmd_set_session() {
 191         local set_session_opts
 192         set_session_opts=$(lttng set-session --list-options)
 193
 194         case $cur in
 195         -*)
 196                 COMPREPLY=( $(compgen -W "${set_session_opts}" -- $cur) )
 197                 return
 198                 ;;
 199         esac
 200 }
 201
 202 _lttng_cmd_start() {
 203         local start_opts
 204         start_opts=$(lttng start --list-options)
 205
 206         case $cur in
 207         -*)
 208                 COMPREPLY=( $(compgen -W "${start_opts}" -- $cur) )
 209                 ;;
 210         *)
 211                 _lttng_complete_sessions
 212                 ;;
 213         esac
 214 }
 215
 216 _lttng_cmd_stop() {
 217         local stop_opts
 218         stop_opts=$(lttng stop --list-options)
 219
 220         case $cur in
 221         -*)
 222                 COMPREPLY=( $(compgen -W "${stop_opts}" -- $cur) )
 223                 ;;
 224         *)
 225                 _lttng_complete_sessions
 226                 ;;
 227         esac
 228 }
 229
 230 _lttng_cmd_version() {
 231         local version_opts
 232         version_opts=$(lttng version --list-options)
 233
 234         case $cur in
 235         -*)
 236                 COMPREPLY=( $(compgen -W "${version_opts}" -- $cur) )
 237                 ;;
 238         esac
 239 }
 240
 241 _lttng_cmd_calibrate() {
 242         local calibrate_opts
 243         calibrate_opts=$(lttng calibrate --list-options)
 244
 245         case $cur in
 246         -*)
 247                 COMPREPLY=( $(compgen -W "${calibrate_opts}" -- $cur) )
 248                 ;;
 249         esac
 250 }
 251
 252 _lttng_cmd_view() {
 253         local view_opts
 254                 view_opts=$(lttng view --list-options)
 255
 256                 case $cur in
 257                 -*)
 258                 COMPREPLY=( $(compgen -W "${view_opts}" -- $cur) )
 259                 ;;
 260         esac
 261 }
 262
 263 _lttng_opts() {
 264         local opts
 265         opts=$(lttng --list-options)
 266
 267         COMPREPLY=( $(compgen -W "${opts}" -- $cur) )
 268 }
 269
 270 _lttng_commands() {
 271         COMPREPLY=( $(compgen -W "$commands" -- $cur) )
 272 }
 273
 274 _lttng_before_command() {
 275         # Check if the previous word should alter the behavior
 276         case $prev in
 277         --group|-g)
 278                 COMPREPLY=( $(compgen -g -- $cur) )
 279                 return
 280                 ;;
 281         --sessiond-path)
 282                 _filedir
 283                 return
 284                 ;;
 285         esac
 286
 287         case $cur in
 288         -*)
 289                 # If the current word starts with a dash, complete with options
 290                 _lttng_opts
 291                 ;;
 292         *)
 293                 # Otherwise complete with commands
 294                 _lttng_commands
 295                 ;;
 296         esac
 297 }
 298
 299 _lttng_after_command() {
 300         local cmd_name
 301
 302         cmd_name=_lttng_cmd_${command//-/}
 303
 304         type -t $cmd_name | grep -q 'function' && $cmd_name
 305 }
 306
 307 _lttng_is_command() {
 308         for command in $commands; do
 309                 if [ "$1" == "$command" ]; then
 310                         return 0
 311                 fi
 312         done
 313
 314         return 1
 315 }
 316
 317 _lttng() {
 318         local cur prev commands command_found command_found_index
 319
 320         # Get the current and previous word
 321         _get_comp_words_by_ref cur prev
 322
 323         # Get the valid LTTng commands
 324         commands=$(lttng --list-commands)
 325
 326         # The text of the found command
 327         command_found=""
 328
 329         # The index of the found command in COMP_WORDS
 330         command_found_index=-1
 331
 332         for (( i = 1 ; i < ${#COMP_WORDS[@]} ; i++ )); do
 333                 _lttng_is_command ${COMP_WORDS[$i]}
 334                 if [ $? -eq 0 ]; then
 335                         command_found=${COMP_WORDS[$i]}
 336                         command_found_index=$i
 337                         break
 338                 fi
 339
 340         done
 341
 342         # Check if the cursor is before or after the command keyword
 343         if [ -n "$command_found" ] && [ "$COMP_CWORD" -gt "$command_found_index" ]; then
 344                 _lttng_after_command
 345         else
 346                 _lttng_before_command
 347         fi
 348 }
 349
 350 complete -F _lttng lttng