On Wed, Jul 03, 2013 at 11:47:50AM -0700, Junio C Hamano wrote:
> John Keeping <j...@keeping.me.uk> writes:
> > Since commit 00b347d (git-config: do not complain about duplicate
> > entries, 2012-10-23), "git config --get" does not exit with an error if
> > there are multiple values for the specified key but instead returns the
> > last value.  Update the documentation to reflect this.
> >
> > Signed-off-by: John Keeping <j...@keeping.me.uk>
> > ---
> >  Documentation/git-config.txt | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
> > index 19a7be0..fbad05e 100644
> > --- a/Documentation/git-config.txt
> > +++ b/Documentation/git-config.txt
> > @@ -82,7 +82,7 @@ OPTIONS
> >  --get::
> >     Get the value for a given key (optionally filtered by a regex
> >     matching the value). Returns error code 1 if the key was not
> > -   found and error code 2 if multiple key values were found.
> > +   found and the last value if multiple key values were found.
> >  
> >  --get-all::
> >     Like get, but does not fail if the number of values for the key
> Thanks.
> I wondered if we should explain the significance of "last" a bit
> more (like "this results in the value from the most specific
> configuration file to be used, the ones in $GIT_DIR/config
> overriding what is in $HOME/.gitconfig"), but I do not have a strong
> opinion either way.  Let's queue this for 'maint' for now.

I don't think that change belongs here.  How about doing something like
this in the FILES section (the first two hunks are just reordering the
existing list, only the last hunk changes the content):

-- >8 --
diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
index fbad05e..99dc497 100644
--- a/Documentation/git-config.txt
+++ b/Documentation/git-config.txt
@@ -206,12 +206,8 @@ FILES
 If not set explicitly with '--file', there are four files where
 'git config' will search for configuration options:
-       Repository specific configuration file.
-       User-specific configuration file. Also called "global"
-       configuration file.
+       System-wide configuration file.
        Second user-specific configuration file. If $XDG_CONFIG_HOME is not set
@@ -221,8 +217,12 @@ $XDG_CONFIG_HOME/git/config::
        you sometimes use older versions of Git, as support for this
        file was added fairly recently.
-       System-wide configuration file.
+       User-specific configuration file. Also called "global"
+       configuration file.
+       Repository specific configuration file.
 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
@@ -230,6 +230,10 @@ file are not available they will be ignored. If the 
repository configuration
 file is not available or readable, 'git config' will exit with a non-zero
 error code. However, in neither case will an error message be issued.
+The files are read in the order given above, with last value found taking
+precedence over values read earlier.  When multiple values are taken then all
+values of a key from all files will be used.
 All writing options will per default write to the repository specific
 configuration file. Note that this also affects options like '--replace-all'
 and '--unset'. *'git config' will only ever change one file at a time*.
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