git.el: Get the default user name and email from the repository config.

If user name or email are not set explicitly, get them from the
user.name and user.email configuration values before falling back to
the Emacs defaults.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/contrib/emacs/git.el b/contrib/emacs/git.el
index cf650da3e5eedf2ec018c77d424456cc566ea311..5496a1bb5e121f197a4a4c6c6e0c2a589f864ef3 100644 (file)
--- a/contrib/emacs/git.el
+++ b/contrib/emacs/git.el
@@ -59,14 +59,14 @@
 
 (defcustom git-committer-name nil
   "User name to use for commits.
-The default is to fall back to `add-log-full-name' and then `user-full-name'."
+The default is to fall back to the repository config, then to `add-log-full-name' and then to `user-full-name'."
   :group 'git
   :type '(choice (const :tag "Default" nil)
                  (string :tag "Name")))
 
 (defcustom git-committer-email nil
   "Email address to use for commits.
-The default is to fall back to `add-log-mailing-address' and then `user-mail-address'."
+The default is to fall back to the git repository config, then to `add-log-mailing-address' and then to `user-mail-address'."
   :group 'git
   :type '(choice (const :tag "Default" nil)
                  (string :tag "Email")))
@@ -203,6 +203,7 @@ The default is to fall back to `add-log-mailing-address' and then `user-mail-add
   "Return the name to use as GIT_COMMITTER_NAME."
   ; copied from log-edit
   (or git-committer-name
+      (git-repo-config "user.name")
       (and (boundp 'add-log-full-name) add-log-full-name)
       (and (fboundp 'user-full-name) (user-full-name))
       (and (boundp 'user-full-name) user-full-name)))
@@ -211,6 +212,7 @@ The default is to fall back to `add-log-mailing-address' and then `user-mail-add
   "Return the email address to use as GIT_COMMITTER_EMAIL."
   ; copied from log-edit
   (or git-committer-email
+      (git-repo-config "user.email")
       (and (boundp 'add-log-mailing-address) add-log-mailing-address)
       (and (fboundp 'user-mail-address) (user-mail-address))
       (and (boundp 'user-mail-address) user-mail-address)))
@@ -268,6 +270,11 @@ The default is to fall back to `add-log-mailing-address' and then `user-mail-add
   (git-get-string-sha1
    (git-call-process-env-string nil "rev-parse" rev)))
 
+(defun git-repo-config (key)
+  "Retrieve the value associated to KEY in the git repository config file."
+  (let ((str (git-call-process-env-string nil "repo-config" key)))
+    (and str (car (split-string str "\n")))))
+
 (defun git-symbolic-ref (ref)
   "Wrapper for the git-symbolic-ref command."
   (let ((str (git-call-process-env-string nil "symbolic-ref" ref)))