print task output on shell start only once every 30s

diff --git a/.zsh/zshrc/parts.d/50-taskwarrior b/.zsh/zshrc/parts.d/50-taskwarrior
index b35e3835f96a21614e54aa304e51cd37a7fce87b..2cf9d386d76bbf1be3d59c860aec6b107c72d31c 100644 (file)
--- a/.zsh/zshrc/parts.d/50-taskwarrior
+++ b/.zsh/zshrc/parts.d/50-taskwarrior
@@ -16,7 +16,14 @@ if whence task >/dev/null; then
   alias ty='t sync'
   alias td='t done'
 
-  [[ -t 0 ]] && task 2>/dev/null || :
+  local SENTINEL=${XDG_RUNTIME_DIR}/taskwarrior/shell_run_sentinel
+  mkdir --parent ${SENTINEL%/*}
+  # only print the tasks at most once every 30 seconds
+  if [[ -t 0 ]] && [[ -z ${SENTINEL}(#qNms-30) ]]; then
+    touch ${SENTINEL}
+    task 2>/dev/null || :
+  fi
+  unset SENTINEL
 fi
 
 # vim:ft=zsh