post-checkout hook, tests, and docs

diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
index f2c67176f451483abdbe862fd5d1cc8fe6b67aac..a592b61e2fe998525d0978547b3ea7e4ad2d72ac 100644 (file)
--- a/Documentation/git-config.txt
+++ b/Documentation/git-config.txt
@@ -9,16 +9,17 @@ git-config - Get and set repository or global options
 SYNOPSIS
 --------
 [verse]
-'git-config' [--system | --global] name [value [value_regex]]
-'git-config' [--system | --global] --add name value
-'git-config' [--system | --global] --replace-all name [value [value_regex]]
-'git-config' [--system | --global] [type] --get name [value_regex]
-'git-config' [--system | --global] [type] --get-all name [value_regex]
-'git-config' [--system | --global] --unset name [value_regex]
-'git-config' [--system | --global] --unset-all name [value_regex]
-'git-config' [--system | --global] --rename-section old_name new_name
-'git-config' [--system | --global] --remove-section name
-'git-config' [--system | --global] -l | --list
+'git-config' [<file-option>] [type] [-z|--null] name [value [value_regex]]
+'git-config' [<file-option>] [type] --add name value
+'git-config' [<file-option>] [type] --replace-all name [value [value_regex]]
+'git-config' [<file-option>] [type] [-z|--null] --get name [value_regex]
+'git-config' [<file-option>] [type] [-z|--null] --get-all name [value_regex]
+'git-config' [<file-option>] [type] [-z|--null] --get-regexp name_regex [value_regex]
+'git-config' [<file-option>] --unset name [value_regex]
+'git-config' [<file-option>] --unset-all name [value_regex]
+'git-config' [<file-option>] --rename-section old_name new_name
+'git-config' [<file-option>] --remove-section name
+'git-config' [<file-option>] [-z|--null] -l | --list
 
 DESCRIPTION
 -----------
@@ -36,14 +37,19 @@ prepend a single exclamation mark in front (see also <<EXAMPLES>>).
 The type specifier can be either '--int' or '--bool', which will make
 'git-config' ensure that the variable(s) are of the given type and
 convert the value to the canonical form (simple decimal number for int,
-a "true" or "false" string for bool).  Type specifiers currently only
-take effect for reading operations.  If no type specifier is passed,
+a "true" or "false" string for bool).  If no type specifier is passed,
 no checks or transformations are performed on the value.
 
+The file-option can be one of '--system', '--global' or '--file'
+which specify where the values will be read from or written to.
+The default is to assume the config file of the current repository,
+.git/config unless defined otherwise with GIT_DIR and GIT_CONFIG
+(see <<FILES>>).
+
 This command will fail if:
 
-. The .git/config file is invalid,
-. Can not write to .git/config,
+. The config file is invalid,
+. Can not write to the config file,
 . no section was provided,
 . the section or key is invalid,
 . you try to unset an option which does not exist,
@@ -73,6 +79,7 @@ OPTIONS
 
 --get-regexp::
        Like --get-all, but interprets the name as a regular expression.
+       Also outputs the key names.
 
 --global::
        For writing options: write to global ~/.gitconfig file rather than
@@ -92,6 +99,9 @@ rather than from all available files.
 +
 See also <<FILES>>.
 
+-f config-file, --file config-file::
+       Use the given config file instead of the one specified by GIT_CONFIG.
+
 --remove-section::
        Remove the given section from the configuration file.
 
@@ -116,15 +126,23 @@ See also <<FILES>>.
        in the config file will cause the value to be multiplied
        by 1024, 1048576, or 1073741824 prior to output.
 
+-z, --null::
+       For all options that output values and/or keys, always
+       end values with with the null character (instead of a
+       newline). Use newline instead as a delimiter between
+       key and value. This allows for secure parsing of the
+       output without getting confused e.g. by values that
+       contain line breaks.
+
 
 [[FILES]]
 FILES
 -----
 
-There are three files where git-config will search for configuration
-options:
+If not set explicitly with '--file', there are three files where
+git-config will search for configuration options:
 
-.git/config::
+$GIT_DIR/config::
        Repository specific configuration file. (The filename is
        of course relative to the repository root, not the working
        directory.)
@@ -196,9 +214,7 @@ Given a .git/config like this:
 
        ; Proxy settings
        [core]
-               gitproxy="ssh" for "ssh://kernel.org/"
                gitproxy="proxy-command" for kernel.org
-               gitproxy="myprotocol-command" for "my://"
                gitproxy=default-proxy ; for all the rest
 
 you can set the filemode to true with
@@ -273,7 +289,7 @@ To actually match only values with an exclamation mark, you have to
 To add a new proxy, without altering any of the existing ones, use
 
 ------------
-% git config core.gitproxy '"proxy" for example.com'
+% git config core.gitproxy '"proxy-command" for example.com'
 ------------