setup: add gentle version of read_gitfile

diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index 2103bbf48a38f7f27d57258677804d2823ebfb7a..c483100e75886e7326cecabcd66f1449e640365a 100644 (file)
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -102,7 +102,7 @@ eval "set -- $(git rev-parse --sq --prefix "$prefix" "$@")"
 +
 If you want to make sure that the output actually names an object in
 your object database and/or can be used as a specific type of object
-you require, you can add "\^{type}" peeling operator to the parameter.
+you require, you can add the `^{type}` peeling operator to the parameter.
 For example, `git rev-parse "$VAR^{commit}"` will make sure `$VAR`
 names an existing object that is a commit-ish (i.e. a commit, or an
 annotated tag that points at a commit).  To make sure that `$VAR`
@@ -147,7 +147,7 @@ can be used.
        form as close to the original input as possible.
 
 --symbolic-full-name::
-       This is similar to \--symbolic, but it omits input that
+       This is similar to --symbolic, but it omits input that
        are not refs (i.e. branch or tag names; or more
        explicitly disambiguating "heads/master" form, when you
        want to name the "master" branch when there is an
@@ -216,6 +216,9 @@ If `$GIT_DIR` is not defined and the current directory
 is not detected to lie in a Git repository or work tree
 print a message to stderr and exit with nonzero status.
 
+--git-common-dir::
+       Show `$GIT_COMMON_DIR` if defined, else `$GIT_DIR`.
+
 --is-inside-git-dir::
        When the current working directory is below the repository
        directory print "true", otherwise "false".