remote-helpers: export GIT_DIR variable to helpers

diff --git a/Documentation/git-remote-helpers.txt b/Documentation/git-remote-helpers.txt
index 58f6ad4994dae770b1898888d3073fca777743af..18b8341f24b74ffba0dc6074255c01b4ab37f655 100644 (file)
--- a/Documentation/git-remote-helpers.txt
+++ b/Documentation/git-remote-helpers.txt
@@ -47,6 +47,9 @@ arguments. The first argument specifies a remote repository as in git;
 it is either the name of a configured remote or a URL. The second
 argument specifies a URL; it is usually of the form
 '<transport>://<address>', but any arbitrary string is possible.
+The 'GIT_DIR' environment variable is set up for the remote helper
+and can be used to determine where to store additional data or from
+which directory to invoke auxiliary git commands.
 
 When git encounters a URL of the form '<transport>://<address>', where
 '<transport>' is a protocol that it cannot handle natively, it