setup_git_env: avoid blind fall-back to ".git"

diff --git a/Documentation/config.txt b/Documentation/config.txt
index a17947462a931d70700461c8a1a7a32b20bd3676..27069ac032a47ac93bcc960ce82b861e4e8a36cf 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -2825,12 +2825,13 @@ stash.showStat::
        option will show diffstat of the stash.  Defaults to true.
        See description of 'show' command in linkgit:git-stash[1].
 
-submodule.<name>.path::
 submodule.<name>.url::
-       The path within this project and URL for a submodule. These
-       variables are initially populated by 'git submodule init'. See
-       linkgit:git-submodule[1] and linkgit:gitmodules[5] for
-       details.
+       The URL for a submodule. This variable is copied from the .gitmodules
+       file to the git config via 'git submodule init'. The user can change
+       the configured URL before obtaining the submodule via 'git submodule
+       update'. After obtaining the submodule, the presence of this variable
+       is used as a sign whether the submodule is of interest to git commands.
+       See linkgit:git-submodule[1] and linkgit:gitmodules[5] for details.
 
 submodule.<name>.update::
        The default update procedure for a submodule. This variable