Merge branch 'jk/version-string'

Teaches git native protocol agents to show software version over the
wire.

* jk/version-string:
  http: get default user-agent from git_user_agent
  version: add git_user_agent function
  move git_version_string into version.c

1 files changed, 17 insertions, 0 deletions

diff --git a/version.c b/version.c
new file mode 100644
index 0000000000..f98d5a654d
--- /dev/null
+++ b/version.c
@@ -0,0 +1,17 @@
+#include "git-compat-util.h"
+#include "version.h"
+
+const char git_version_string[] = GIT_VERSION;
+
+const char *git_user_agent(void)
+{
+	static const char *agent = NULL;
+
+	if (!agent) {
+		agent = getenv("GIT_USER_AGENT");
+		if (!agent)
+			agent = GIT_USER_AGENT;
+	}
+
+	return agent;
+}