read-cache: refactor read_index_from()

diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt
index 1fe73448f3f5a3ff48f939924156771cabfc1f77..5516a47b5490ff1e79ead61cd2229946cc1a7fe2 100644 (file)
--- a/Documentation/git-branch.txt
+++ b/Documentation/git-branch.txt
@@ -118,6 +118,10 @@ OPTIONS
        default to color output.
        Same as `--color=never`.
 
+-i::
+--ignore-case::
+       Sorting and filtering branches are case insensitive.
+
 --column[=<options>]::
 --no-column::
        Display branch listing in columns. See configuration variable