Create library for modules written as ZSH scripts

modules/lib.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env zsh
+
+function autoloadZShLib() {
+  test -d "${ASTZWEIG_ZSHLIB}" || { echo "This module needs astzweig/zshlib to work." >&2; return 99 }
+  FPATH="${ASTZWEIG_ZSHLIB}:${FPATH}"
+  local funcNames=(${(f)"$(find "${ASTZWEIG_ZSHLIB}" -type f -perm +u=x -maxdepth 1 | awk -F/ '{ print $NF }')"})
+  autoload -Uz "${funcNames[@]}"
+}
+
+function configureLogging() {
+  local output=tostdout level=info
+  [ -n "${logfile}" ] && output=${logfile}
+  [ "${verbose}" = true ] && level=debug
+  lop setoutput -l ${level} ${output}
+}
+
+function checkCommands() {
+  local cmd
+  for cmd in ${(k)cmds}; do
+    if ! which "${cmd}" >&! /dev/null; then
+      local comment=''
+      [ -n "${cmds[$cmd]}" ] && comment=" ${cmds[$cmd]}"
+      lop error "This module needs ${cmd}${comment} to work."
+      return 11
+    fi
+  done
+}