read-cache: add post-index-change hook

diff --git a/Documentation/git-interpret-trailers.txt b/Documentation/git-interpret-trailers.txt
index ee131246812a93347bfd5c75795bb2d26f6b3b82..a5e8b36f62bcf5eeedfb5a04ac852c476d9f43f3 100644 (file)
--- a/Documentation/git-interpret-trailers.txt
+++ b/Documentation/git-interpret-trailers.txt
@@ -89,7 +89,8 @@ OPTIONS
        Specify where all new trailers will be added.  A setting
        provided with '--where' overrides all configuration variables
        and applies to all '--trailer' options until the next occurrence of
-       '--where' or '--no-where'.
+       '--where' or '--no-where'. Possible values are `after`, `before`,
+       `end` or `start`.
 
 --if-exists <action>::
 --no-if-exists::
@@ -97,7 +98,8 @@ OPTIONS
        least one trailer with the same <token> in the message.  A setting
        provided with '--if-exists' overrides all configuration variables
        and applies to all '--trailer' options until the next occurrence of
-       '--if-exists' or '--no-if-exists'.
+       '--if-exists' or '--no-if-exists'. Possible actions are `addIfDifferent`,
+       `addIfDifferentNeighbor`, `add`, `replace` and `doNothing`.
 
 --if-missing <action>::
 --no-if-missing::
@@ -105,7 +107,8 @@ OPTIONS
        trailer with the same <token> in the message.  A setting
        provided with '--if-missing' overrides all configuration variables
        and applies to all '--trailer' options until the next occurrence of
-       '--if-missing' or '--no-if-missing'.
+       '--if-missing' or '--no-if-missing'. Possible actions are `doNothing`
+       or `add`.
 
 --only-trailers::
        Output only the trailers, not any other parts of the input.