git-commit: don't add multiple Signed-off-by: from the same identity

diff --git a/environment.c b/environment.c
index 84d870ca4eca6e202bcbec388e9a299b887f9a12..f83fb9e44806c03cde06eede7888a4dcb901c5c3 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -11,19 +11,29 @@
 
 char git_default_email[MAX_GITNAME];
 char git_default_name[MAX_GITNAME];
-int use_legacy_headers = 1;
 int trust_executable_bit = 1;
+int quote_path_fully = 1;
+int has_symlinks = 1;
 int assume_unchanged;
 int prefer_symlink_refs;
-int log_all_ref_updates;
+int is_bare_repository_cfg = -1; /* unspecified */
+int log_all_ref_updates = -1; /* unspecified */
 int warn_ambiguous_refs = 1;
 int repository_format_version;
-char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
+const char *git_commit_encoding;
+const char *git_log_output_encoding;
 int shared_repository = PERM_UMASK;
 const char *apply_default_whitespace;
-int zlib_compression_level = Z_DEFAULT_COMPRESSION;
+int zlib_compression_level = Z_BEST_SPEED;
+int core_compression_level;
+int core_compression_seen;
+size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
+size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
+size_t delta_base_cache_limit = 16 * 1024 * 1024;
+char *pager_program;
 int pager_in_use;
 int pager_use_color = 1;
+int auto_crlf = 0;     /* 1: both ways, -1: only when adding git objects */
 
 static const char *git_dir;
 static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
@@ -50,6 +60,19 @@ static void setup_git_env(void)
                git_graft_file = xstrdup(git_path("info/grafts"));
 }
 
+int is_bare_repository(void)
+{
+       const char *dir, *s;
+       if (0 <= is_bare_repository_cfg)
+               return is_bare_repository_cfg;
+
+       dir = get_git_dir();
+       if (!strcmp(dir, DEFAULT_GIT_DIR_ENVIRONMENT))
+               return 0;
+       s = strrchr(dir, '/');
+       return !s || strcmp(s + 1, DEFAULT_GIT_DIR_ENVIRONMENT);
+}
+
 const char *get_git_dir(void)
 {
        if (!git_dir)
@@ -84,5 +107,3 @@ char *get_graft_file(void)
                setup_git_env();
        return git_graft_file;
 }
-
-