ref-filter: implement %(if:equals=<string>) and %(if:notequals=<string>)

diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index 6b671ae92d051de54e850e2362dea4407c710c92..d5be41973129f827bc48281e8790dfa9adcdb345 100644 (file)
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -158,6 +158,9 @@ if::
        evaluating the string before %(then), this is useful when we
        use the %(HEAD) atom which prints either "*" or " " and we
        want to apply the 'if' condition only on the 'HEAD' ref.
+       Append ":equals=<string>" or ":notequals=<string>" to compare
+       the value between the %(if:...) and %(then) atoms with the
+       given string.
 
 In addition to the above, for commit and tag objects, the header
 field names (`tree`, `parent`, `object`, `type`, and `tag`) can