Merge branch 'mh/deref-symref-over-helper-transport'

diff --git a/builtin/commit.c b/builtin/commit.c
index 7d90c3591567d10f9a075ec38048b93923f707d4..7f467133b88c10e2440c878a0218bee981b3acd7 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -34,12 +34,12 @@
 #include "mailmap.h"
 
 static const char * const builtin_commit_usage[] = {
-       N_("git commit [options] [--] <pathspec>..."),
+       N_("git commit [<options>] [--] <pathspec>..."),
        NULL
 };
 
 static const char * const builtin_status_usage[] = {
-       N_("git status [options] [--] <pathspec>..."),
+       N_("git status [<options>] [--] <pathspec>..."),
        NULL
 };
 
@@ -559,20 +559,14 @@ static void set_ident_var(char **buf, char *val)
        *buf = val;
 }
 
-static char *envdup(const char *var)
-{
-       const char *val = getenv(var);
-       return val ? xstrdup(val) : NULL;
-}
-
 static void determine_author_info(struct strbuf *author_ident)
 {
        char *name, *email, *date;
        struct ident_split author;
 
-       name = envdup("GIT_AUTHOR_NAME");
-       email = envdup("GIT_AUTHOR_EMAIL");
-       date = envdup("GIT_AUTHOR_DATE");
+       name = xstrdup_or_null(getenv("GIT_AUTHOR_NAME"));
+       email = xstrdup_or_null(getenv("GIT_AUTHOR_EMAIL"));
+       date = xstrdup_or_null(getenv("GIT_AUTHOR_DATE"));
 
        if (author_message) {
                struct ident_split ident;