Preparation to call determine_author_info from prepare_to_commit

Reorder functions definitions such that determine_author_info is
defined before prepare_to_commit. No code changes.

Signed-off-by: Santi Béjar <sbejar@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin-commit.c

@@ -395,6 +395,45 @@ static int is_a_merge(const unsigned char *sha1)
 
 static const char sign_off_header[] = "Signed-off-by: ";
 
+static void determine_author_info(struct strbuf *sb)
+{
+	char *name, *email, *date;
+
+	name = getenv("GIT_AUTHOR_NAME");
+	email = getenv("GIT_AUTHOR_EMAIL");
+	date = getenv("GIT_AUTHOR_DATE");
+
+	if (use_message) {
+		const char *a, *lb, *rb, *eol;
+
+		a = strstr(use_message_buffer, "\nauthor ");
+		if (!a)
+			die("invalid commit: %s", use_message);
+
+		lb = strstr(a + 8, " <");
+		rb = strstr(a + 8, "> ");
+		eol = strchr(a + 8, '\n');
+		if (!lb || !rb || !eol)
+			die("invalid commit: %s", use_message);
+
+		name = xstrndup(a + 8, lb - (a + 8));
+		email = xstrndup(lb + 2, rb - (lb + 2));
+		date = xstrndup(rb + 2, eol - (rb + 2));
+	}
+
+	if (force_author) {
+		const char *lb = strstr(force_author, " <");
+		const char *rb = strchr(force_author, '>');
+
+		if (!lb || !rb)
+			die("malformed --author parameter");
+		name = xstrndup(force_author, lb - force_author);
+		email = xstrndup(lb + 2, rb - (lb + 2));
+	}
+
+	strbuf_addf(sb, "author %s\n", fmt_ident(name, email, date, IDENT_ERROR_ON_NO_NAME));
+}
+
 static int prepare_to_commit(const char *index_file, const char *prefix)
 {
 	struct stat statbuf;
@@ -622,45 +661,6 @@ static int message_is_empty(struct strbuf *sb, int start)
 	return 1;
 }
 
-static void determine_author_info(struct strbuf *sb)
-{
-	char *name, *email, *date;
-
-	name = getenv("GIT_AUTHOR_NAME");
-	email = getenv("GIT_AUTHOR_EMAIL");
-	date = getenv("GIT_AUTHOR_DATE");
-
-	if (use_message) {
-		const char *a, *lb, *rb, *eol;
-
-		a = strstr(use_message_buffer, "\nauthor ");
-		if (!a)
-			die("invalid commit: %s", use_message);
-
-		lb = strstr(a + 8, " <");
-		rb = strstr(a + 8, "> ");
-		eol = strchr(a + 8, '\n');
-		if (!lb || !rb || !eol)
-			die("invalid commit: %s", use_message);
-
-		name = xstrndup(a + 8, lb - (a + 8));
-		email = xstrndup(lb + 2, rb - (lb + 2));
-		date = xstrndup(rb + 2, eol - (rb + 2));
-	}
-
-	if (force_author) {
-		const char *lb = strstr(force_author, " <");
-		const char *rb = strchr(force_author, '>');
-
-		if (!lb || !rb)
-			die("malformed --author parameter");
-		name = xstrndup(force_author, lb - force_author);
-		email = xstrndup(lb + 2, rb - (lb + 2));
-	}
-
-	strbuf_addf(sb, "author %s\n", fmt_ident(name, email, date, IDENT_ERROR_ON_NO_NAME));
-}
-
 static int parse_and_validate_options(int argc, const char *argv[],
 				      const char * const usage[])
 {