From c6444a4a7267406c52516cd46ab9bede43ea48c9 Mon Sep 17 00:00:00 2001
From: Jan Lindemann <jan@janware.com>
Date: Sun, 23 Nov 2025 20:00:50 +0100
Subject: [PATCH] projects-dir-minimal.mk: Improve on link-makefile.done

  - Make PROJECTS_MAKEFILE_NAME point to first in $(MAKEFILE_LIST)

  - Allow to include projects-dir-minimal.mk in hand-written Makefile
    without fear that its going to be overwritten with a link

Signed-off-by: Jan Lindemann <jan@janware.com>
---
 make/projects-dir-minimal.mk | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/make/projects-dir-minimal.mk b/make/projects-dir-minimal.mk
index e93c515f..d4f777d5 100644
--- a/make/projects-dir-minimal.mk
+++ b/make/projects-dir-minimal.mk
@@ -13,7 +13,7 @@
 # take you there semi-automatically.
 #
 
-PROJECTS_MAKEFILE_NAME      := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
+PROJECTS_MAKEFILE_NAME      := $(firstword $(MAKEFILE_LIST))
 
 -include local.mk
 
@@ -69,11 +69,13 @@ ifneq ($(findstring proactiveAuth,$(GIT_GLOBAL_OPTS)),)
 endif
 	make $(MAKECMDGOALS)
 
+RANDOM_STRING               := some-random-string-to-id-this-makefile
 all: link-makefile.done
 link-makefile.done: | $(JWBDIR)
-	[ -L $(PROJECTS_MAKEFILE_NAME) ] || \
-		ln -sf `git -C $(JWBDIR) ls-files | sed '/\.mk$$/ !d; s|^|$(JWBDIR)/|' | xargs grep -l some-random-string-to-id-this-makefile` \
-			$(PROJECTS_MAKEFILE_NAME)
+	if [ ! -L $(PROJECTS_MAKEFILE_NAME) ] && grep -q $(RANDOM_STRING) $(PROJECTS_MAKEFILE_NAME); then \
+		ln -sf `git -C $(JWBDIR) ls-files | sed '/\.mk$$/ !d; s|^|$(JWBDIR)/|' | xargs grep -l $(RANDOM_STRING)` \
+			$(PROJECTS_MAKEFILE_NAME) ;\
+	fi
 	touch $@
 clean: clean.link-makefile
 clean.link-makefile: