update-index: do not die too early in a read-only repository.

diff --git a/Documentation/git-var.txt b/Documentation/git-var.txt
index 90cb157be56cec2ced79b8d6995c999d4d8d0251..9b0de1c111d7b58cb8d431d90814d1f1530f5e0d 100644 (file)
--- a/Documentation/git-var.txt
+++ b/Documentation/git-var.txt
@@ -3,7 +3,7 @@ git-var(1)
 
 NAME
 ----
-git-var - Print the git users identity
+git-var - Show a git logical variable
 
 
 SYNOPSIS
@@ -17,7 +17,10 @@ Prints a git logical variable.
 OPTIONS
 -------
 -l::
-       Cause the logical variables to be listed.
+       Cause the logical variables to be listed. In addition, all the
+       variables of the git configuration file .git/config are listed
+       as well. (However, the configuration variables listing functionality
+       is deprecated in favor of `git-config -l`.)
 
 EXAMPLE
 --------
@@ -46,6 +49,7 @@ See Also
 --------
 gitlink:git-commit-tree[1]
 gitlink:git-tag[1]
+gitlink:git-config[1]
 
 Author
 ------