Enhancement

- Solve bug #962.
- Improve completion by proposing column names (used when filtering and
  modifying tasks).

scripts/bash/task.sh

@@ -0,0 +1,180 @@
+################################################################################
+# bash completion support for taskwarrior
+# taskwarrior - a command line task list manager.
+#
+# Copyright 2006-2012, Paul Beckingham, Federico Hernandez.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+# http://www.opensource.org/licenses/mit-license.php
+#
+################################################################################
+#
+# The routines will do completion of:
+#
+#    *) task subcommands
+#    *) project names
+#    *) tag names
+#
+# To use these routines:
+#
+#    1) Copy this file to somewhere (e.g. ~/.bash_completion.d/.task_completion.sh).
+#    2) Added the following line to your .bashrc:
+#        source ~/.bash_completion.d/task_completion.sh
+#
+#    OR
+#
+#    3) Copy the file to /etc/bash_complettion.d
+#    4) source /etc/bash_completion
+#
+# To submit patches/bug reports:
+#
+#    *) Go to the projects website at
+#
+#       http://taskwarrior.org
+#
+################################################################################
+
+_task_get_tags() {
+    task _tags
+}
+
+_task_get_config() {
+    task _config
+}
+
+_task_offer_dependencies() {
+    COMPREPLY=( $(compgen -W "$(task _ids)" -- ${cur/*:/}) )
+}
+
+_task_offer_priorities() {
+    COMPREPLY=( $(compgen -W "L M H" -- ${cur/*:/}) )
+}
+
+_task_offer_projects() {
+    COMPREPLY=( $(compgen -W "$(task _projects)" -- ${cur/*:/}) )
+}
+
+_task() 
+{
+    local cur prev opts base
+
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+    if [ ${#COMP_WORDS[*]} -gt 2 ]
+    then
+        prev2="${COMP_WORDS[COMP_CWORD-2]}"
+    else
+        prev2=""
+    fi
+#   echo -e "\ncur='$cur'"
+#   echo "prev='$prev'"
+#   echo "prev2='$prev2'"
+
+    opts="$(task _commands) $(task _ids) $(task _columns)"
+
+    case "${prev}" in
+        :)
+            case "${prev2}" in
+                dep*)
+                    _task_offer_dependencies
+                    return 0
+                    ;;
+                pri*)
+                    _task_offer_priorities
+                    return 0
+                    ;;
+                pro*)
+                    _task_offer_projects
+                    return 0
+                    ;;
+            esac
+            ;;
+        *)
+            case "${cur}" in
+                pro*:*)
+                    _task_offer_projects
+                    return 0
+                    ;;
+                :)
+                    case "${prev}" in
+                        dep*)
+                            _task_offer_dependencies
+                            return 0
+                            ;;
+                        pri*)
+                            _task_offer_priorities
+                            return 0
+                            ;;
+                        pro*)
+                            _task_offer_projects
+                            return 0
+                            ;;
+                    esac
+                    ;;
+                +*)
+                    local tags=$(_task_get_tags | sed 's/^/+/')
+                    COMPREPLY=( $(compgen -W "${tags}" -- ${cur}) )
+                    return 0
+                    ;;
+                -*)
+                    local tags=$(_task_get_tags | sed 's/^/-/')
+                    COMPREPLY=( $(compgen -W "${tags}" -- ${cur}) )
+                    return 0
+                    ;;
+                rc.*)
+                    local config=$(_task_get_config | sed -e 's/^/rc\./' -e 's/$/:/')
+                    COMPREPLY=( $(compgen -W "${config}" -- ${cur}) )
+                    return 0
+                    ;;
+						 *)
+ 						  case "${prev}" in
+							  merge)
+								 local servers=$(_task_get_config | grep merge | grep uri | sed 's/^merge\.\(.*\)\.uri/\1/')
+								 COMPREPLY=( $(compgen -W "${servers}" -- ${cur}) )
+								 _known_hosts_real -a "$cur"
+						       return 0
+						       ;;
+							  push)
+								 local servers=$(_task_get_config | grep push | grep uri | sed 's/^push\.\(.*\)\.uri/\1/')
+								 COMPREPLY=( $(compgen -W "${servers}" -- ${cur}) )
+								 _known_hosts_real -a "$cur"
+						       return 0
+						       ;;
+							  pull)
+								 local servers=$(_task_get_config | grep pull | grep uri | sed 's/^pull\.\(.*\)\.uri/\1/')
+								 COMPREPLY=( $(compgen -W "${servers}" -- ${cur}) )
+								 _known_hosts_real -a "$cur"
+						       return 0
+						       ;;
+							  import)
+								 COMPREPLY=( $(compgen -o "default" -- ${cur}) )
+								 return 0
+								 ;;
+						  esac
+						  ;;
+            esac
+            ;;
+    esac
+      
+    COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+    return 0
+}
+complete -o nospace -F _task task