[PATCH] Add a commit.signoff configuration variable to always use --signoff.

["Adeodato Simó" <dato@net.com.org.es>]

Signed-off-by: Adeodato Simó <dato@net.com.org.es>
---
I wrote:
> Has there even been talk of a commit.signoff configuration variable
> to always add a S-o-b line? This could allow to enable it on a
> per-project basis, which would be cool.

Well, it seemed easy enough to do, so I went ahead. Comments would be
welcome.

 Documentation/config.txt     |    6 ++++++
 Documentation/git-commit.txt |    3 ++-
 builtin-commit.c             |    5 +++++
 3 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 52786c7..6d195a3 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -591,6 +591,12 @@ color.ui::
 commit.template::
 	Specify a file to use as the template for new commit messages.
 
+commit.signoff::
+	If set, 'git-commit' will always add a Signed-off-by line. If
+	you don't want it always active, you can still set it in the
+	repository specific configuration file for projects that require
+	a Signed-off-by line for all commits.
+
 diff.autorefreshindex::
 	When using 'git-diff' to compare with work tree
 	files, do not consider stat-only change as changed.
diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt
index b5d81be..abab839 100644
--- a/Documentation/git-commit.txt
+++ b/Documentation/git-commit.txt
@@ -96,7 +96,8 @@ 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 e88b78f..fc09539 100644
--- a/builtin-commit.c
+++ b/builtin-commit.c
@@ -929,6 +929,11 @@ static int git_commit_config(const char *k, const char *v, void *cb)
 	if (!strcmp(k, "commit.template"))
 		return git_config_string(&template_file, k, v);
 
+	if (!strcmp(k, "commit.signoff")) {
+		signoff = git_config_bool(k, v);
+		return 0;
+	}
+
 	return git_status_config(k, v, cb);
 }
 
-- 
1.6.1.307.g07803