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Adding short options

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Feature request #25
This commit is contained in:
Tyler Akins 2019-03-13 20:38:00 -05:00
parent aabc62f1d6
commit 505570a57b
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GPG Key ID: 8F3B8C432F4393BD
1 changed files with 27 additions and 14 deletions
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@ -11,12 +11,18 @@
#/
#/ Simple usage:
#/
#/ mo [--false] [--help] [--source=FILE] filenames...
#/ mo [OPTIONS] filenames...
#/
#/ --fail-not-set - Fail upon expansion of an unset variable.
#/ --false - Treat the string "false" as empty for conditionals.
#/ --help - This message.
#/ --source=FILE - Load FILE into the environment before processing templates.
#/ Options:
#/
#/ -u, --fail-not-set
#/ - Fail upon expansion of an unset variable.
#/ -e, --false
#/ - Treat the string "false" as empty for conditionals.
#/ -h, --help
#/ - This message.
#/ -s=FILE, --source=FILE
#/ - Load FILE into the environment before processing templates.
#
# Mo is under a MIT style licence with an additional non-advertising clause.
# See LICENSE.md for the full text.
@ -32,14 +38,17 @@
# --allow-function-arguments
# - Permit functions in templates to be called with additional
# arguments. This puts template data directly in to the path
# of an eval statement. Use with caution.
# --fail-not-set - Fail upon expansion of an unset variable. Default behavior
# of an eval statement. Use with caution. Not listed in the
# help because it only makes sense when mo is sourced.
# -u, --fail-not-set
# - Fail upon expansion of an unset variable. Default behavior
# is to silently ignore and expand into empty string.
# --false - Treat "false" as an empty value. You may set the
# -e, --false - Treat "false" as an empty value. You may set the
# MO_FALSE_IS_EMPTY environment variable instead to a non-empty
# value to enable this behavior.
# --help - Display a help message.
# --source=FILE - Source a file into the environment before processint
# -h, --help - Display a help message.
# -s=FILE, --source=FILE
# - Source a file into the environment before processint
# template files.
# -- - Used to indicate the end of options. You may optionally
# use this when filenames may start with two hyphens.
@ -89,18 +98,22 @@ mo() (
MO_ALLOW_FUNCTION_ARGUMENTS=true
;;
--fail-not-set)
-u | --fail-not-set)
# shellcheck disable=SC2030
MO_FAIL_ON_UNSET=true
;;
--false)
-e | --false)
# shellcheck disable=SC2030
MO_FALSE_IS_EMPTY=true
;;
--source=*)
f2source="${arg#--source=}"
-s=* | --source=*)
if [[ "$arg" == --source=* ]]; then
f2source="${arg#--source=}"
else
f2source="${arg#-s=}"
fi
if [[ -f "$f2source" ]]; then
# shellcheck disable=SC1090