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Clarify _readaccountconf_mutable_default

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This commit is contained in:
medmunds 2021-02-16 14:41:21 -08:00
parent 4b615cb3a9
commit 5a182eddbf
1 changed files with 4 additions and 3 deletions
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7
notify/smtp.sh
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@ -358,7 +358,7 @@ PYTHON
# - if MY_CONF is set _empty_, output $default_value # - if MY_CONF is set _empty_, output $default_value
# (lets user `export MY_CONF=` to clear previous saved value # (lets user `export MY_CONF=` to clear previous saved value
# and return to default, without user having to know default) # 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) # (value of SAVED_MY_CONF from account.conf)
# - otherwise output $default_value # - otherwise output $default_value
_readaccountconf_mutable_default() { _readaccountconf_mutable_default() {
@ -366,8 +366,9 @@ _readaccountconf_mutable_default() {
_default_value="$2" _default_value="$2"
eval "_value=\"\$$_name\"" eval "_value=\"\$$_name\""
eval "_explicit_empty_value=\"\${${_name}+empty}\"" eval "_name_is_set=\"\${${_name}+true}\""
if [ -z "${_value}" ] && [ "${_explicit_empty_value:-}" != "empty" ]; then # ($_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")" _value="$(_readaccountconf_mutable "$_name")"
fi fi
if [ -z "${_value}" ]; then if [ -z "${_value}" ]; then