remote-helpers: export GIT_DIR variable to helpers

diff --git a/Documentation/git-remote-helpers.txt b/Documentation/git-remote-helpers.txt
index 87cd11f2c47b66387d31c38f648c02f4c2734955..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
@@ -181,11 +184,11 @@ CAPABILITIES
        When using the import command, expect the source ref to have
        been written to the destination ref. The earliest applicable
        refspec takes precedence. For example
-       "refs/heads/*:refs/svn/origin/branches/*" means that, after an
-       "import refs/heads/name", the script has written to
+       "refs/heads/{asterisk}:refs/svn/origin/branches/{asterisk}" means
+       that, after an "import refs/heads/name", the script has written to
        refs/svn/origin/branches/name. If this capability is used at
        all, it must cover all refs reported by the list command; if
-       it is not used, it is effectively "*:*"
+       it is not used, it is effectively "{asterisk}:{asterisk}"
 
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