Commit 5a182edd authored by medmunds's avatar medmunds
Browse files

Clarify _readaccountconf_mutable_default

parent 4b615cb3
......@@ -358,7 +358,7 @@ PYTHON
# - if MY_CONF is set _empty_, output $default_value
# (lets user `export MY_CONF=` to clear previous saved value
# and return to default, without user having to know default)
# - otherwise if _readaccountconf_mutable $name is non-empty, return that
# - otherwise if _readaccountconf_mutable MY_CONF is non-empty, return that
# (value of SAVED_MY_CONF from account.conf)
# - otherwise output $default_value
_readaccountconf_mutable_default() {
......@@ -366,8 +366,9 @@ _readaccountconf_mutable_default() {
_default_value="$2"
eval "_value=\"\$$_name\""
eval "_explicit_empty_value=\"\${${_name}+empty}\""
if [ -z "${_value}" ] && [ "${_explicit_empty_value:-}" != "empty" ]; then
eval "_name_is_set=\"\${${_name}+true}\""
# ($_name_is_set is "true" if $$_name is set to anything, including empty)
if [ -z "${_value}" ] && [ "${_name_is_set:-}" != "true" ]; then
_value="$(_readaccountconf_mutable "$_name")"
fi
if [ -z "${_value}" ]; then
......
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