Merge branch 'nv/parseopt-opt-arg'

Enhance "rev-parse --parseopt" mode to help parsing options with
an optional parameter.

* nv/parseopt-opt-arg:
rev-parse --parseopt: add the --stuck-long mode
Use the word 'stuck' instead of 'sticked'

diff --combined Documentation/gitcli.txt
index 41bed2983f936bc936cb7e655ceb3ce04146aeeb,c87f0ae88d6c5db378ab077c27ac8405ae7c192a..3f33ca5507a7a4b61030b1ad04b37387d7abdb37
--- 1/Documentation/gitcli.txt
--- 2/Documentation/gitcli.txt
+++ b/Documentation/gitcli.txt
@@@ -72,23 -72,23 +72,23 @@@ scripting Git
   * splitting short options to separate words (prefer `git foo -a -b`
     to `git foo -ab`, the latter may not even work).
  
-  * when a command line option takes an argument, use the 'sticked' form.  In
+  * when a command line option takes an argument, use the 'stuck' form.  In
     other words, write `git foo -oArg` instead of `git foo -o Arg` for short
     options, and `git foo --long-opt=Arg` instead of `git foo --long-opt Arg`
     for long options.  An option that takes optional option-argument must be
-    written in the 'sticked' form.
+    written in the 'stuck' form.
  
   * when you give a revision parameter to a command, make sure the parameter is
     not ambiguous with a name of a file in the work tree.  E.g. do not write
     `git log -1 HEAD` but write `git log -1 HEAD --`; the former will not work
     if you happen to have a file called `HEAD` in the work tree.
  
 - * many commands allow a long option "--option" to be abbreviated
 + * many commands allow a long option `--option` to be abbreviated
     only to their unique prefix (e.g. if there is no other option
 -   whose name begins with "opt", you may be able to spell "--opt" to
 -   invoke the "--option" flag), but you should fully spell them out
 +   whose name begins with `opt`, you may be able to spell `--opt` to
 +   invoke the `--option` flag), but you should fully spell them out
     when writing your scripts; later versions of Git may introduce a
 -   new option whose name shares the same prefix, e.g. "--optimize",
 +   new option whose name shares the same prefix, e.g. `--optimize`,
     to make a short prefix that used to be unique no longer unique.
  
  
@@@ -149,7 -149,7 +149,7 @@@ prefix of a long option as if it is ful
  with a caution.  For example, `git commit --amen` behaves as if you
  typed `git commit --amend`, but that is true only until a later version
  of Git introduces another option that shares the same prefix,
 -e.g `git commit --amenity" option.
 +e.g. `git commit --amenity` option.
  
  
  Separating argument from the option
@@@ -165,7 -165,7 +165,7 @@@ $ git foo -o Ar
  ----------------------------
  
  However, this is *NOT* allowed for switches with an optional value, where the
- 'sticked' form must be used:
+ 'stuck' form must be used:
  ----------------------------
  $ git describe --abbrev HEAD     # correct
  $ git describe --abbrev=10 HEAD  # correct