read-cache: refactor read_index_from()

diff --git a/Documentation/git-init.txt b/Documentation/git-init.txt
index 8174d27efdc13b3f611b4aedda70086f39867d73..9d27197de8f63e2e7495976af944344436e48302 100644 (file)
--- a/Documentation/git-init.txt
+++ b/Documentation/git-init.txt
@@ -47,7 +47,7 @@ Only print error and warning messages; all other output will be suppressed.
 
 --bare::
 
-Create a bare repository. If GIT_DIR environment is not set, it is set to the
+Create a bare repository. If `GIT_DIR` environment is not set, it is set to the
 current working directory.
 
 --template=<template_directory>::
@@ -130,7 +130,12 @@ The template directory will be one of the following (in order):
  - the default template directory: `/usr/share/git-core/templates`.
 
 The default template directory includes some directory structure, suggested
-"exclude patterns" (see linkgit:gitignore[5]), and sample hook files (see linkgit:githooks[5]).
+"exclude patterns" (see linkgit:gitignore[5]), and sample hook files.
+
+The sample hooks are all disabled by default, To enable one of the
+sample hooks rename it by removing its `.sample` suffix.
+
+See linkgit:githooks[5] for more general info on hook execution.
 
 EXAMPLES
 --------