setup_git_env: avoid blind fall-back to ".git"

diff --git a/usage.c b/usage.c
index 8675d72f30a1c3e98d890a8b1b6f111a1293258f..17f52c1b5ce631eed1cdf3447d80e7223a2e6f01 100644 (file)
--- a/usage.c
+++ b/usage.c
@@ -70,6 +70,21 @@ void set_error_routine(void (*routine)(const char *err, va_list params))
        error_routine = routine;
 }
 
+void (*get_error_routine(void))(const char *err, va_list params)
+{
+       return error_routine;
+}
+
+void set_warn_routine(void (*routine)(const char *warn, va_list params))
+{
+       warn_routine = routine;
+}
+
+void (*get_warn_routine(void))(const char *warn, va_list params)
+{
+       return warn_routine;
+}
+
 void set_die_is_recursing_routine(int (*routine)(void))
 {
        die_is_recursing = routine;
@@ -148,6 +163,18 @@ void NORETURN die_errno(const char *fmt, ...)
        va_end(params);
 }
 
+#undef error_errno
+int error_errno(const char *fmt, ...)
+{
+       char buf[1024];
+       va_list params;
+
+       va_start(params, fmt);
+       error_routine(fmt_with_err(buf, sizeof(buf), fmt), params);
+       va_end(params);
+       return -1;
+}
+
 #undef error
 int error(const char *err, ...)
 {
@@ -159,6 +186,16 @@ int error(const char *err, ...)
        return -1;
 }
 
+void warning_errno(const char *warn, ...)
+{
+       char buf[1024];
+       va_list params;
+
+       va_start(params, warn);
+       warn_routine(fmt_with_err(buf, sizeof(buf), warn), params);
+       va_end(params);
+}
+
 void warning(const char *warn, ...)
 {
        va_list params;