Documentation/remote-helpers: Rewrite description

diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index 5061d3e4e7b8a888093c5e8c7b4cb03509391756..7e83288d1846a7fcd53ec46776160a2f5ffbad84 100644 (file)
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -75,16 +75,23 @@ For all objects, the following names can be used:
 refname::
        The name of the ref (the part after $GIT_DIR/).
        For a non-ambiguous short name of the ref append `:short`.
+       The option core.warnAmbiguousRefs is used to select the strict
+       abbreviation mode.
 
 objecttype::
        The type of the object (`blob`, `tree`, `commit`, `tag`).
 
 objectsize::
-       The size of the object (the same as 'git-cat-file -s' reports).
+       The size of the object (the same as 'git cat-file -s' reports).
 
 objectname::
        The object name (aka SHA-1).
 
+upstream::
+       The name of a local ref which can be considered ``upstream''
+       from the displayed ref. Respects `:short` in the same way as
+       `refname` above.
+
 In addition to the above, for commit and tag objects, the header
 field names (`tree`, `parent`, `object`, `type`, and `tag`) can
 be used to specify the value in the header field.