config: don't segfault when given --path with a missing value

diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt
index f400835921803ad66a5021524de4fb9d3369f0be..4622297ec98cddc2e1f2e4417b9eeec11a3c91b1 100644 (file)
--- a/Documentation/git-commit.txt
+++ b/Documentation/git-commit.txt
@@ -407,6 +407,15 @@ This command can run `commit-msg`, `prepare-commit-msg`, `pre-commit`,
 and `post-commit` hooks.  See linkgit:githooks[5] for more
 information.
 
+FILES
+-----
+
+`$GIT_DIR/COMMIT_EDITMSG`::
+       This file contains the commit message of a commit in progress.
+       If `git commit` exits due to an error before creating a commit,
+       any commit message that has been provided by the user (e.g., in
+       an editor session) will be available in this file, but will be
+       overwritten by the next invocation of `git commit`.
 
 SEE ALSO
 --------