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Add make whatrequires target

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This target can be used to query direct build and runtime dependencies
of any package in Clear Linux OS. The `make help` documentation
describes the current output format and limitations.

Signed-off-by: Patrick McCarty <patrick.mccarty@intel.com>
This commit is contained in:
Patrick McCarty
2021-09-07 16:14:15 -07:00
parent 8ce1020511
commit 3cd143d931
1 changed files with 38 additions and 0 deletions
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Makefile.common
+38
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@@ -522,6 +522,44 @@ cloc: $(SRPMFILE)
@$(MOCK) --clean --scrub=chroot --uniqueext=$(PKG_NAME)
cat results/cloc.txt
.PHONY: whatrequires
#help whatrequires: Output a list of packages that directly depend on this one,
#help showing the subpackage-level breakdown. Each line of output has the format
#help "SUBPACKAGE(|SYMBOL)? <- PACKAGE (ARCH)". If ARCH is "src", the meaning is
#help "PACKAGE has a BuildRequires (build dependency) on SUBPACKAGE". And if ARCH
#help is "x86_64", the meaning is "PACKAGE has a Requires (runtime dependency) on
#help SUBPACKAGE". The optional "|SYMBOL" portion is printed when the symbol
#help required does not match the subpackage name. Note that the ability to query
#help version-qualified dependencies is not yet implemented... (For example, if
#help python3-core provides the version-qualified symbol "python(abi) = 3.9",
#help running `make whatrequires` for `python3` will detect packages that depend on
#help "python(abi)", but not "python(abi) = 3.9".)
whatrequires:
@Q="dnf --config=${PM_CONF} repoquery --quiet --releasever=clear"; \
TMP=$$(mktemp -d); trap "rm -rf $$TMP" EXIT; \
$${Q} --provides ${PKG_NAME} | awk '{ print $$1 }' > $$TMP/${PKG_NAME}; \
( \
while read -r provide; do \
$${Q} --qf="${PKG_NAME} <- %{NAME} (x86_64)" --arch=x86_64 --srpm --whatrequires $$provide; \
$${Q} --qf="${PKG_NAME} <- %{NAME} (src)" --arch=src --whatrequires $$provide; \
done < $$TMP/${PKG_NAME} \
) | awk '$$3 != "${PKG_NAME}"' | LC_COLLATE=C sort -u; \
sed -n 's/^%package *\(.*\)$$/\1/p' ${PKG_NAME}.spec | sort > $$TMP/subpkgs; \
while read -r val; do \
if grep -qE '^-n +' <<< $$val; then \
subpkg=$$(awk '{ print $$2 }' <<< $$val); \
else \
subpkg=${PKG_NAME}-$$val; \
fi; \
$${Q} --provides $$subpkg | awk '{ print $$1 }' > $$TMP/$$subpkg; \
( \
while read -r provide; do \
$${Q} --qf="$$subpkg|$$provide <- %{NAME} (x86_64)" --arch=x86_64 --srpm --whatrequires $$provide; \
$${Q} --qf="$$subpkg|$$provide <- %{NAME} (src)" --arch=src --whatrequires $$provide; \
done < $$TMP/$$subpkg \
) | awk '$$3 != "${PKG_NAME}"' | sed "s/^$$subpkg|\($$subpkg\)/\1/" | LC_COLLATE=C sort -u; \
done < $$TMP/subpkgs
# Define LTS-specific targets in a separate makefile
-include $(TOPLVL)/projects/common/Makefile.common.lts