task: Integrate into office module

Since I am striving for closer connection between my task management, my
mail suite and my calendar appointments, it makes sense to unify all
'office' tasks into the single office module instead of keeping
taskwarrior outside of it.

office/.config/sh/alias.d/taskwarrior.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env sh
+
+# invoking t starts the task shell
+# passing arguments along passes them straight through to taskwarrior instead
+t() {
+    # check for existence of tasksh before doing this whole song and dance
+    if type tasksh >/dev/null 2>&1 && [ "$#" -eq 0 ]; then
+        tasksh
+    else
+        task "$@"
+    fi
+}
+
+# copy the `task` zsh completions over to my little alias 😉
+# this is not very pretty and not super portable (needs ps) but
+# works for now. from here: https://unix.stackexchange.com/a/72564/414758
+if [ "$(ps -p $$ -o comm --no-headers)" = "zsh" ]; then compdef t=task; fi
+
+# Make taskopen XDG conforming. If changing here, also change in taskrc alias.
+alias taskopen='taskopen --config=${XDG_CONFIG_HOME:-~/.config}/task/taskopenrc'
+
+alias ta="task add"
+alias tal="task log"
+alias tan="task annotate"
+
+alias tn="task next +READY"
+alias tun="task next urgency \> 4"
+
+alias tra="task active"
+alias trw="task end.after:today-1wk completed"
+
+alias to="task open"

office/.config/sh/alias.d/timewarrior.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env sh
+
+if ! exist timew; then
+    return 1
+fi
+
+# invoking tim without arguments prints out timesheet summary
+# with ids attached.
+# otherwise tim passes through any arguments to timew
+tim() {
+    if [ "$#" -eq 0 ]; then
+        timew summary :ids
+    else
+        timew "$@"
+    fi
+}

office/.config/sh/env.d/taskwarrior-ensure-files.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env sh
+# Ensure necessary taskwarrior includes exist
+
+
+[ -e "${XDG_CONFIG_HOME:-$HOME/.config}/task/contexts" ] || touch "${XDG_CONFIG_HOME:-$HOME/.config}/task/contexts"
+[ -e "${XDG_CONFIG_HOME:-$HOME/.config}/task/task-sync.rc" ] || touch "${XDG_CONFIG_HOME:-$HOME/.config}/task/task-sync.rc"

office/.config/sh/env.d/taskwarrior-xdg.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+
+[ -d "$XDG_DATA_HOME/task/notes" ] || mkdir -p "$XDG_DATA_HOME/task/notes"

office/.config/sh/env.d/timewarrior-xdg.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+
+export TIMEWARRIORDB="$XDG_CONFIG_HOME/timewarrior"