Reference git-commit-tree for env vars.

Signed-off-by: Jon Loeliger <jdl@jdl.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt
index 214ed235c554de89edc4f614072b50c6f0724ded..d04b342a95037378e94bd89be933130909700456 100644 (file)
--- a/Documentation/git-commit.txt
+++ b/Documentation/git-commit.txt
@@ -18,6 +18,10 @@ Updates the index file for given paths, or all modified files if
 VISUAL and EDITOR environment variables to edit the commit log
 message.
 
+Several environment variable are used during commits.  They are
+documented in gitlink:git-commit-tree[1].
+
+
 This command can run `commit-msg`, `pre-commit`, and
 `post-commit` hooks.  See link:hooks.html[hooks] for more
 information.