setup.c: detect $GIT_COMMON_DIR in is_git_directory()

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 7a3294d947cc2c89b23733c2498561536789484e..922072596fdd80eaaa47746fba5e5591223c5108 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -683,7 +683,7 @@ alias.*::
        confusion and troubles with script usage, aliases that
        hide existing Git commands are ignored. Arguments are split by
        spaces, the usual shell quoting and escaping is supported.
-       quote pair and a backslash can be used to quote them.
+       A quote pair or a backslash can be used to quote them.
 +
 If the alias expansion is prefixed with an exclamation point,
 it will be treated as a shell command.  For example, defining
@@ -1210,7 +1210,7 @@ gc.autopacklimit::
        default value is 50.  Setting this to 0 disables it.
 
 gc.autodetach::
-       Make `git gc --auto` return immediately andrun in background
+       Make `git gc --auto` return immediately and run in background
        if the system supports it. Default is true.
 
 gc.packrefs::
@@ -1357,7 +1357,7 @@ gpg.program::
        same command-line interface as GPG, namely, to verify a detached
        signature, "gpg --verify $file - <$signature" is run, and the
        program is expected to signal a good signature by exiting with
-       code 0, and to generate an ascii-armored detached signature, the
+       code 0, and to generate an ASCII-armored detached signature, the
        standard input of "gpg -bsau $key" is fed with the contents to be
        signed, and the program is expected to send the result to its
        standard output.
@@ -1592,7 +1592,7 @@ http.useragent::
        Can be overridden by the 'GIT_HTTP_USER_AGENT' environment variable.
 
 http.<url>.*::
-       Any of the http.* options above can be applied selectively to some urls.
+       Any of the http.* options above can be applied selectively to some URLs.
        For a config key to match a URL, each element of the config key is
        compared to that of the URL, in the following order:
 +
@@ -1631,8 +1631,8 @@ if the URL is `https://user@example.com/foo/bar` a config key match of
 +
 All URLs are normalized before attempting any matching (the password part,
 if embedded in the URL, is always ignored for matching purposes) so that
-equivalent urls that are simply spelled differently will match properly.
-Environment variable settings always override any matches.  The urls that are
+equivalent URLs that are simply spelled differently will match properly.
+Environment variable settings always override any matches.  The URLs that are
 matched against are those given directly to Git commands.  This means any URLs
 visited as a result of a redirection do not participate in matching.
 
@@ -2339,7 +2339,7 @@ status.showUntrackedFiles::
        files which are not currently tracked by Git. Directories which
        contain only untracked files, are shown with the directory name
        only. Showing untracked files means that Git needs to lstat() all
-       all the files in the whole repository, which might be slow on some
+       the files in the whole repository, which might be slow on some
        systems. So, this variable controls how the commands displays
        the untracked files. Possible values are:
 +