[PATCH 1/1] commit: add signoff config variable

[Liam Beguin <liambeguin@gmail.com>]

Add a configuration variable, based on format.signoff, to automatically
signoff commit messages.

Signed-off-by: Liam Beguin <liambeguin@gmail.com>
---
 Documentation/config/commit.txt | 7 +++++++
 builtin/commit.c                | 4 ++++
 2 files changed, 11 insertions(+)

diff --git a/Documentation/config/commit.txt b/Documentation/config/commit.txt
index 2c95573930be..62aaacb0dc74 100644
--- a/Documentation/config/commit.txt
+++ b/Documentation/config/commit.txt
@@ -27,3 +27,10 @@ commit.template::
 commit.verbose::
 	A boolean or int to specify the level of verbose with `git commit`.
 	See linkgit:git-commit[1].
+
+commit.signOff::
+	A boolean value which lets you enable the `-s/--signoff` option of
+	`git commit` by default. *Note:* Adding the Signed-off-by: line to a
+	patch should be a conscious act and means that you certify you have
+	the rights to submit this work under the same open source license.
+	Please see the 'SubmittingPatches' document for further discussion.
diff --git a/builtin/commit.c b/builtin/commit.c
index ae7aaf6dc683..36d70396ace7 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1456,6 +1456,10 @@ static int git_commit_config(const char *k, const char *v, void *cb)
 		config_commit_verbose = git_config_bool_or_int(k, v, &is_bool);
 		return 0;
 	}
+	if (!strcmp(k, "commit.signoff")) {
+		signoff = git_config_bool(k, v);
+		return 0;
+	}
 
 	status = git_gpg_config(k, v, NULL);
 	if (status)
-- 
2.21.0.777.g83232e38648b