container: finance: add dependency checks for modules

Since modules are included upon build type, if a build doesn't support
a feature then that feature's dependencies will not be available.

This commit will give notice of those missing dependencies.

container/src/finance/lib/lib_finance.bash

@@ -74,7 +74,7 @@ function lib_finance::finance()
   fi
 
   declare -grx global_child_profile_journal="${global_child_profile_flow}/all-years.journal"
-  declare -grx global_hledger_cmd=("/usr/bin/hledger" "-f" "$global_child_profile_journal")
+  declare -grx global_hledger_cmd=("hledger" "-f" "$global_child_profile_journal")
 
   # Globals (configuration)
   declare -grx global_conf_fetch="${global_child_profile_flow}/docker-finance.d/fetch/fetch.yaml"
@@ -215,6 +215,8 @@ function lib_finance::reports()
 
 function lib_finance::root()
 {
+  # TODO: lib_root, add extendable arguments
+  lib_utils::deps_check "root"
   # NOTE: will automatically load rootlogon.C
   pushd "${DOCKER_FINANCE_CONTAINER_REPO}/src/root/macro" 1>/dev/null \
     && root -l