Merge pull request #1165 from asheiduk/config-docu

Align documentation for C:\ProgramData\Git\config

Author: dscho

Documentation/git-config.txt

@@ -235,8 +235,16 @@ FILES
 If not set explicitly with `--file`, there are four files where
 'git config' will search for configuration options:
 
+$PROGRAMDATA/Git/config::
+	(Windows-only) System-wide configuration file shared with other Git
+	implementations. Typically `$PROGRAMDATA` points to `C:\ProgramData`.
+
 $(prefix)/etc/gitconfig::
 	System-wide configuration file.
+	(Windows-only) This file contains only the settings which are
+	specific for this installation of Git for Windows and which should
+	not be shared with other Git implementations like JGit, libgit2.
+	`--system` will select this file.
 
 $XDG_CONFIG_HOME/git/config::
 	Second user-specific configuration file. If $XDG_CONFIG_HOME is not set
@@ -253,14 +261,6 @@ $XDG_CONFIG_HOME/git/config::
 $GIT_DIR/config::
 	Repository specific configuration file.
 
-On Windows, as there is no central `/etc/` directory, there is yet another
-config file (located at `$PROGRAMDATA/Git/config`), intended to contain
-settings for *all* Git-related software running on the machine. Consequently,
-this config file takes an even lower precedence than the
-`$(prefix)/etc/gitconfig` file. Typically `$PROGRAMDATA` points to
-`C:\ProgramData` (on Windows XP the equivalent in `$ALLUSERSPROFILE` is used,
-i.e. `C:\Documents and Settings\All Users\Application Data\Git\config`).
-
 If no further options are given, all reading options will read all of these
 files that are available. If the global or the system-wide configuration
 file are not available they will be ignored. If the repository configuration

compat/mingw.c

@@ -3273,13 +3273,8 @@ const char *program_data_config(void)
 
 	if (!initialized) {
 		const char *env = mingw_getenv("PROGRAMDATA");
-		const char *extra = "";
-		if (!env) {
-			env = mingw_getenv("ALLUSERSPROFILE");
-			extra = "/Application Data";
-		}
 		if (env)
-			strbuf_addf(&path, "%s%s/Git/config", env, extra);
+			strbuf_addf(&path, "%s/Git/config", env);
 		initialized = 1;
 	}
 	return *path.buf ? path.buf : NULL;