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authorGravatar Yann E. MORIN <yann.morin.1998@free.fr>2019-04-15 21:47:32 +0200
committerGravatar Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>2019-04-15 23:47:22 +0200
commit5abb88218ecbb517b6a9f64a1f8b0a36fb9814aa (patch)
treeba387cdac3a13635c6f542c683f0732657b48f31
parentf8177b78132698b39ae3c49a0ee2f1d6828f8324 (diff)
downloadbuildroot-5abb88218ecbb517b6a9f64a1f8b0a36fb9814aa.tar.gz
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core: add per-package and per-filesystem show-info
Sometimes, it is need to quickly get the metadata of a subset of packages, without resorting to a full-blown JSON query. Introduce a new per-package (and per-filesystem) foo-show-info rule, that otputs a per-entity valid JSON blob. Note that calling it for multiple packages and.or filesystems at once will not generate a valid JSON blob, as there would be no separator between the JSON elements: $ make {foo,bar}-show-info { "foo": { foo stuff } } { "bar": { bar stuff } } However, jq is able to absorb this, with its slurping ability, which generates an array (ellipsed and manualy reformated for readability): $ make {foo,bar}-show-info |jq -s . - [ { "foo": { foo stuff } }, { "bar": { bar stuff } } ] Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Cc: Thomas De Schampheleire <patrickdepinguin@gmail.com> Cc: Arnout Vandecappelle <arnout@mind.be> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
-rw-r--r--Makefile1
-rw-r--r--fs/common.mk11
-rw-r--r--package/pkg-generic.mk5
3 files changed, 16 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 0f5331ec7e..522c0b0606 100644
--- a/Makefile
+++ b/Makefile
@@ -1111,6 +1111,7 @@ help:
@echo ' <pkg>-depends - Build <pkg>'\''s dependencies'
@echo ' <pkg>-configure - Build <pkg> up to the configure step'
@echo ' <pkg>-build - Build <pkg> up to the build step'
+ @echo ' <pkg>-show-info - generate info about <pkg>, as a JSON blurb'
@echo ' <pkg>-show-depends - List packages on which <pkg> depends'
@echo ' <pkg>-show-rdepends - List packages which have <pkg> as a dependency'
@echo ' <pkg>-show-recursive-depends'
diff --git a/fs/common.mk b/fs/common.mk
index f7989eac57..6dd1774726 100644
--- a/fs/common.mk
+++ b/fs/common.mk
@@ -87,6 +87,11 @@ endif
rootfs-common-show-depends:
@echo $(ROOTFS_COMMON_DEPENDENCIES)
+.PHONY: rootfs-common-show-info
+rootfs-common-show-info:
+ @:
+ $(info $(call clean-json,{ $(call json-info,ROOTFS_COMMON) }))
+
# Since this function will be called from within an $(eval ...)
# all variable references except the arguments must be $$-quoted.
define inner-rootfs
@@ -184,9 +189,13 @@ endif
rootfs-$(1)-show-depends:
@echo $$(ROOTFS_$(2)_DEPENDENCIES)
+rootfs-$(1)-show-info:
+ @:
+ $$(info $$(call clean-json,{ $$(call json-info,ROOTFS_$(2)) }))
+
rootfs-$(1): $$(BINARIES_DIR)/$$(ROOTFS_$(2)_FINAL_IMAGE_NAME)
-.PHONY: rootfs-$(1) rootfs-$(1)-show-depends
+.PHONY: rootfs-$(1) rootfs-$(1)-show-depends rootfs-$(1)-show-info
ifeq ($$(BR2_TARGET_ROOTFS_$(2)),y)
TARGETS_ROOTFS += rootfs-$(1)
diff --git a/package/pkg-generic.mk b/package/pkg-generic.mk
index 8ff8cff12d..67782138b4 100644
--- a/package/pkg-generic.mk
+++ b/package/pkg-generic.mk
@@ -867,6 +867,10 @@ $(1)-show-dependency-tree: $$(patsubst %,%-show-dependency-tree,$$($(2)_FINAL_AL
$$(info $(1): $(4) $$(if $$($(2)_IS_VIRTUAL),virtual,$$($(2)_DL_VERSION)))
$$(info $(1) -> $$($(2)_FINAL_ALL_DEPENDENCIES))
+$(1)-show-info:
+ @:
+ $$(info $$(call clean-json,{ $$(call json-info,$(2)) }))
+
$(1)-graph-depends: graph-depends-requirements
$(call pkg-graph-depends,$(1),--direct)
@@ -1099,6 +1103,7 @@ DL_TOOLS_DEPENDENCIES += $$(call extractor-dependency,$$($(2)_SOURCE))
$(1)-rsync \
$(1)-show-dependency-tree \
$(1)-show-depends \
+ $(1)-show-info \
$(1)-show-version \
$(1)-source