ash: introduce a config option to search current directory for sourced files

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/shell/ash.c b/shell/ash.c
index 865159d20017edae83ec02cb4fa461364c45e2ec..d2c93728303a902563a4189cff479ece14b35f60 100644 (file)
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -51,6 +51,13 @@
 //config:      default y
 //config:      depends on ASH || SH_IS_ASH || BASH_IS_ASH
 //config:
+//config:config ASH_BASH_SOURCE_CURDIR
+//config:      bool "'source' and '.' builtins search current directory after $PATH"
+//config:      default n   # do not encourage non-standard behavior
+//config:      depends ASH_BASH_COMPAT
+//config:      help
+//config:      This is not compliant with standards. Avoid if possible.
+//config:
 //config:config ASH_BASH_NOT_FOUND_HOOK
 //config:      bool "command_not_found_handle hook support"
 //config:      default y
@@ -12978,10 +12985,14 @@ find_dot_file(char *name)
                if (fullname != name)
                        stunalloc(fullname);
        }
+       /* not found in PATH */
 
-       /* not found in the PATH */
+#if ENABLE_ASH_BASH_SOURCE_CURDIR
+       return name;
+#else
        ash_msg_and_raise_error("%s: not found", name);
        /* NOTREACHED */
+#endif
 }
 
 static int FAST_FUNC