From b729fe3237d9e87bcdbb3aae0b67cb8771c5cb79 Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Date: Mon, 5 Feb 2024 14:18:14 +0100
Subject: [PATCH] sys/shell: add RIOT_VERSION_EXTRA output

This allows to define an extra string that will be output as part
of the version command.

e.g. an application may define

RIOT_VERSION_EXTRA += v1.33.7
RIOT_VERSION_EXTRA += flashed by $(shell whoami
---
 Makefile.include     | 3 +++
 sys/shell/cmds/sys.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/Makefile.include b/Makefile.include
index c88f2baeb8..dc16bc120a 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -1072,6 +1072,9 @@ $(RIOTBUILD_CONFIG_HEADER_C).in: FORCE | $(CLEAN)
 CFLAGS_WITH_MACROS += $(CFLAGS)
 CFLAGS_WITH_MACROS += -DRIOT_VERSION=\"$(RIOT_VERSION)\"
 CFLAGS_WITH_MACROS += -DRIOT_VERSION_CODE=$(RIOT_VERSION_CODE)
+ifneq (,$(RIOT_VERSION_EXTRA))
+  CFLAGS_WITH_MACROS += -DCONFIG_RIOT_VERSION_EXTRA=\""$(RIOT_VERSION_EXTRA)"\"
+endif
 # MODULE_NAME defines. Declared in 'makefiles/modules.inc.mk'
 CFLAGS_WITH_MACROS += $(EXTDEFINES)
 
diff --git a/sys/shell/cmds/sys.c b/sys/shell/cmds/sys.c
index 6c4cb6ce9e..56f323ba66 100644
--- a/sys/shell/cmds/sys.c
+++ b/sys/shell/cmds/sys.c
@@ -70,6 +70,9 @@ static int _version_handler(int argc, char **argv)
         printf("%s v%"PRIu32", slot %u\n", RIOT_APPLICATION, hdr->version, slot);
     }
 #endif
+#ifdef CONFIG_RIOT_VERSION_EXTRA
+    puts(CONFIG_RIOT_VERSION_EXTRA);
+#endif
 
     return 0;
 }