read-cache: refactor read_index_from()

diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt
index 80019c584b11b35b2b14da83a31f326634bc6708..76cfe40d969bc5f37dce674f43857ec89f25ae67 100644 (file)
--- a/Documentation/git-tag.txt
+++ b/Documentation/git-tag.txt
@@ -108,6 +108,10 @@ OPTIONS
        variable if it exists, or lexicographic order otherwise. See
        linkgit:git-config[1].
 
+-i::
+--ignore-case::
+       Sorting and filtering tags are case insensitive.
+
 --column[=<options>]::
 --no-column::
        Display tag listing in columns. See configuration variable