# Short help message in response to '-h'.
usage_message="Options:
- --config show all configuration variables
- --debug enable verbose shell tracing
- -n, --dry-run display commands without modifying any files
- --features display basic configuration information and exit
- --mode=MODE use operation mode MODE
- --no-finish don't update shared library cache
- --no-warnings equivalent to '-Wnone'
- --preserve-dup-deps don't remove duplicate dependency libraries
- --reorder-cache=DIRS reorder shared library cache for preferred DIRS
- --quiet, --silent don't print informational messages
- --tag=TAG use configuration variables from tag TAG
- -v, --verbose print more informational messages than default
- --version print version information
- -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all]
- -h, --help, --help-all print short, long, or detailed help message
+ --config show all configuration variables
+ --debug enable verbose shell tracing
+ -n, --dry-run display commands without modifying any files
+ --features display basic configuration information
+ --finish use operation '--mode=finish'
+ --mode=MODE use operation mode MODE
+ --no-finish don't update shared library cache
+ --no-quiet, --no-silent print default informational messages
+ --no-warnings equivalent to '-Wnone'
+ --preserve-dup-deps don't remove duplicate dependency libraries
+ --quiet, --silent don't print informational messages
+ --reorder-cache=DIRS reorder shared library cache for preferred DIRS
+ --tag=TAG use configuration variables from tag TAG
+ -v, --verbose print more informational messages than default
+ --version print version information
+ -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all]
+ -h, --help, --help-all print short, long, or detailed help message
"
# Additional text appended to 'usage_message' in response to '--help'.