send-email: Cleanup smtp-domain and add config

diff --git a/cache.h b/cache.h
index c286310ded0628fba4706f81b77708559d759c29..89f6a40d1a1011bca4d546c5979d66d44b408ece 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -388,6 +388,15 @@ static inline enum object_type object_type(unsigned int mode)
 #define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF"
 #define GIT_NOTES_DEFAULT_REF "refs/notes/commits"
 
+/*
+ * Repository-local GIT_* environment variables
+ * The array is NULL-terminated to simplify its usage in contexts such
+ * environment creation or simple walk of the list.
+ * The number of non-NULL entries is available as a macro.
+ */
+#define LOCAL_REPO_ENV_SIZE 8
+extern const char *const local_repo_env[LOCAL_REPO_ENV_SIZE + 1];
+
 extern int is_bare_repository_cfg;
 extern int is_bare_repository(void);
 extern int is_inside_git_dir(void);