[PATCH] Add `commit.signoff` configuration variable.

[Steven Drake <sdrake@xnet.co.nz>]

Signed-off-by: Steven Drake <sdrake@xnet.co.nz>
---
 Documentation/config.txt     |    4 ++++
 Documentation/git-commit.txt |    2 +-
 builtin-commit.c             |    4 ++++
 3 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 23a965e..dd261cf 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -712,6 +712,10 @@ color.ui::
 	terminal. When more specific variables of color.* are set, they always
 	take precedence over this setting. Defaults to false.
 
+commit.signoff::
+	Add Signed-off-by line by the committer at the end of the commit
+	log message.
+
 commit.template::
 	Specify a file to use as the template for new commit messages.
 	"{tilde}/" is expanded to the value of `$HOME` and "{tilde}user/" to the
diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt
index c97c151..5a977b6 100644
--- a/Documentation/git-commit.txt
+++ b/Documentation/git-commit.txt
@@ -114,7 +114,7 @@ OPTIONS
 -s::
 --signoff::
 	Add Signed-off-by line by the committer at the end of the commit
-	log message.
+	log message. This overrides the `commit.signoff` configuration variable.
 
 -n::
 --no-verify::
diff --git a/builtin-commit.c b/builtin-commit.c
index 3dfcd77..db90e7a 100644
--- a/builtin-commit.c
+++ b/builtin-commit.c
@@ -1093,6 +1093,10 @@ static int git_commit_config(const char *k, const char *v, void *cb)
 
 	if (!strcmp(k, "commit.template"))
 		return git_config_pathname(&template_file, k, v);
+	if (!strcmp(k, "commit.signoff")) {
+		signoff = git_config_bool(k, v);
+		return 0;
+	}
 
 	return git_status_config(k, v, s);
 }
-- 
1.6.4