--- OLD/config.c	Thu Jan  1 00:00:00 1970
+++ NEW/config.c	Thu Jan  1 00:00:00 1970
@@ -693,7 +693,7 @@
 		found += 1;
 	}
 
-	home = getenv("HOME");
+	home = env_home();
 	if (git_config_global() && home) {
 		char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
 		if (!access(user_config, R_OK)) {
@@ -1295,4 +1295,16 @@
 int config_error_nonbool(const char *var)
 {
 	return error("Missing value for '%s'", var);
+}
+
+char *env_home(void)
+{
+ char *s;
+
+ s = getenv("GIT_HOME");
+ if (s) return(s);
+ s = getenv("HOME");
+ if (s) return(s);
+ /* lose lose */
+ return(0);
 }