--parseopt::
Use 'git-rev-parse' in option parsing mode (see PARSEOPT section below).
---keep-dash-dash::
+--keep-dashdash::
Only meaningful in `--parseopt` mode. Tells the option parser to echo
out the first `--` met instead of skipping it.
unfortunately named tag "master"), and show them as full
refnames (e.g. "refs/heads/master").
+--abbrev-ref[={strict|loose}]::
+ A non-ambiguous short name of the objects name.
+ The option core.warnAmbiguousRefs is used to select the strict
+ abbreviation mode.
+
--all::
Show all refs found in `$GIT_DIR/refs`.