submodule: use prepare_submodule_repo_env consistently

diff --git a/Documentation/git.txt b/Documentation/git.txt
index a48c1e802413713122f2f9e4f9dc410950163aef..2754af8f7782d4a13fce4f5752737e3106491f22 100644 (file)
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -43,9 +43,10 @@ unreleased) version of Git, that is available from the 'master'
 branch of the `git.git` repository.
 Documentation for older releases are available here:
 
-* link:v2.7.1/git.html[documentation for release 2.7.1]
+* link:v2.7.2/git.html[documentation for release 2.7.2]
 
 * release notes for
+  link:RelNotes/2.7.2.txt[2.7.2],
   link:RelNotes/2.7.1.txt[2.7.1],
   link:RelNotes/2.7.0.txt[2.7].
 
@@ -1064,6 +1065,11 @@ of clones and fetches.
        cloning of shallow repositories.
        See 'GIT_TRACE' for available trace output options.
 
+'GIT_TRACE_EXCLUDE'::
+       Enables trace messages that can help debugging .gitignore
+       processing. See 'GIT_TRACE' for available trace output
+       options.
+
 'GIT_LITERAL_PATHSPECS'::
        Setting this variable to `1` will cause Git to treat all
        pathspecs literally, rather than as glob patterns. For example,