Enhanced zshrc logging.

dotfiles/zshrc.d/logging.zsh

@@ -0,0 +1,39 @@
+LOGGER_ENV=""
+LOGGER_DIR="${LOGGER_DIR:-${HOME}/.zlogs}"
+
+function _logger_now {
+  print -P "%D{%Y%m%d-%H%M%S}"
+}
+
+function logenv {
+  LOGGER_ENV="${1:-}"
+  if test -z "${LOGGER_ENV}" ; then
+    return 0
+  fi
+  mkdir -p "${LOGGER_DIR}/${LOGGER_ENV}"
+}
+
+# Executed on prompt
+function _logger_precmd {
+  _RV="$?"
+  if test -z "${LOGGER_ENV}" ; then
+    return 0
+  fi
+  _LOGGER_STOP="$(_logger_now)"
+  _LOGGER_DATE="$(print -P '%D{%Y%m%d}')"
+  echo "$_LOGGER_START $_LOGGER_STOP $$ $_RV $_LOGGER_CMD" >>| \
+    "${LOGGER_DIR}/${LOGGER_ENV}/${_LOGGER_DATE}.log"
+  return 0
+}
+
+# Executed on command entry
+function _logger_preexec {
+  _LOGGER_CMD="${2}"
+  _LOGGER_START="$(_logger_now)"
+  return 0
+}
+
+typeset -a precmd_functions
+precmd_functions+=_logger_precmd
+typeset -a preexec_functions
+preexec_functions+=_logger_preexec