[OpenWrt-Devel] [Patch v3 2/4] build: propagate override information to .packageinfo

[Mathieu Olivari]

Packages overridden with "./scripts/feeds -f" will show up with an
"Override: <original-package-name>" in .packageinfo.

This will be useful to create a corresponding option in .config and
use this information during the build process.

Signed-off-by: Mathieu Olivari <mathieu at qca.qualcomm.com>
---
 include/scan.awk |  4 +++-
 include/scan.mk  | 26 +++++++++++++++++++++-----
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/include/scan.awk b/include/scan.awk
index 39b2977..0f02782 100644
--- a/include/scan.awk
+++ b/include/scan.awk
@@ -4,8 +4,10 @@ $1 !~ /^feeds/ { PKGS[$NF]=$0 }
 END {
 	# Filter-out OpenWrt packages which have a feeds equivalent
 	for (pkg in PKGS)
-		if (pkg in FEEDS)
+		if (pkg in FEEDS) {
+			print PKGS[pkg] > of
 			delete PKGS[pkg]
+		}
 	n = asort(PKGS)
 	for (i=1; i <= n; i++) {
 		print PKGS[i]
diff --git a/include/scan.mk b/include/scan.mk
index 138707d..c301579 100644
--- a/include/scan.mk
+++ b/include/scan.mk
@@ -10,6 +10,7 @@ SCAN_NAME ?= package
 SCAN_DIR ?= package
 TARGET_STAMP:=$(TMP_DIR)/info/.files-$(SCAN_TARGET).stamp
 FILELIST:=$(TMP_DIR)/info/.files-$(SCAN_TARGET)-$(SCAN_COOKIE)
+OVERRIDELIST:=$(TMP_DIR)/info/.overrides-$(SCAN_TARGET)-$(SCAN_COOKIE)
 
 ifeq ($(IS_TTY),1)
   define progress
@@ -31,6 +32,7 @@ define PackageDir
 	{ \
 		$$(call progress,Collecting $(SCAN_NAME) info: $(SCAN_DIR)/$(2)) \
 		echo Source-Makefile: $(SCAN_DIR)/$(2)/Makefile; \
+		$(if $(3),echo Override: $(3),true); \
 		$(NO_TRACE_MAKE) --no-print-dir -r DUMP=1 FEED="$(call feedname,$(2))" -C $(SCAN_DIR)/$(2) $(SCAN_MAKEOPTS) 2>/dev/null || { \
 			mkdir -p "$(TOPDIR)/logs/$(SCAN_DIR)/$(2)"; \
 			$(NO_TRACE_MAKE) --no-print-dir -r DUMP=1 FEED="$(call feedname,$(2))" -C $(SCAN_DIR)/$(2) $(SCAN_MAKEOPTS) > $(TOPDIR)/logs/$(SCAN_DIR)/$(2)/dump.txt 2>&1; \
@@ -41,17 +43,31 @@ define PackageDir
 	} > $$@ || true
 endef
 
-$(FILELIST):
+$(OVERRIDELIST):
+	rm -f $(TMP_DIR)/info/.overrides-$(SCAN_TARGET)-*
+	touch $@
+
+$(FILELIST): $(OVERRIDELIST)
 	rm -f $(TMP_DIR)/info/.files-$(SCAN_TARGET)-*
-	$(call FIND_L, $(SCAN_DIR)) $(SCAN_EXTRA) -mindepth 1 $(if $(SCAN_DEPTH),-maxdepth $(SCAN_DEPTH)) -name Makefile | xargs grep -HE 'call (Build/DefaultTargets|Build(Package|Target)|.+Package)' | sed -e 's#^$(SCAN_DIR)/##' -e 's#/Makefile:.*##' | uniq | awk -f include/scan.awk > $@
+	$(call FIND_L, $(SCAN_DIR)) $(SCAN_EXTRA) -mindepth 1 $(if $(SCAN_DEPTH),-maxdepth $(SCAN_DEPTH)) -name Makefile | xargs grep -HE 'call (Build/DefaultTargets|Build(Package|Target)|.+Package)' | sed -e 's#^$(SCAN_DIR)/##' -e 's#/Makefile:.*##' | uniq | awk -v of=$(OVERRIDELIST) -f include/scan.awk > $@
 
 $(TMP_DIR)/info/.files-$(SCAN_TARGET).mk: $(FILELIST)
 	( \
 		cat $< | awk '{print "$(SCAN_DIR)/" $$0 "/Makefile" }' | xargs grep -HE '^ *SCAN_DEPS *= *' | awk -F: '{ gsub(/^.*DEPS *= */, "", $$2); print "DEPS_" $$1 "=" $$2 }'; \
-		awk -v deps="$$DEPS" '{ \
+		awk -F/ -v deps="$$DEPS" -v of="$(OVERRIDELIST)" ' \
+		BEGIN { \
+			while (getline < (of)) \
+				override[$$NF]=$$0; \
+			close(of) \
+		} \
+		{ \
 			info=$$0; \
 			gsub(/\//, "_", info); \
-			print "$$(eval $$(call PackageDir," info "," $$0 "))"; \
+			dir=$$0; \
+			pkg=""; \
+			if($$NF in override) \
+				pkg=override[$$NF]; \
+			print "$$(eval $$(call PackageDir," info "," dir "," pkg "))"; \
 		} ' < $<; \
 		true; \
 	) > $@
@@ -61,7 +77,7 @@ $(TMP_DIR)/info/.files-$(SCAN_TARGET).mk: $(FILELIST)
 $(TARGET_STAMP)::
 	+( \
 		$(NO_TRACE_MAKE) $(FILELIST); \
-		MD5SUM=$$(cat $(FILELIST) | (md5sum || md5) 2>/dev/null | awk '{print $$1}'); \
+		MD5SUM=$$(cat $(FILELIST) $(OVERRIDELIST) | (md5sum || md5) 2>/dev/null | awk '{print $$1}'); \
 		[ -f "$@.$$MD5SUM" ] || { \
 			rm -f $@.*; \
 			touch $@.$$MD5SUM; \
-- 
1.9.1
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