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Implement backport-<commit> target

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For packages with a GitHub repo configured in options.conf, allow
downloading and applying backport patches via the 'backport-<commit>'
target. If given an abbreviated commit ID, it will still create a
backport-<commit>.patch file with the full commit hash, plus add it (if
it does not already exist) to the end of the series file.

Because this handles a single commit at a time, this should be wrappable
by a future Makefile target that applies individual commits to catch up
to a target tag, for example.
This commit is contained in:
Brett T. Warden
2024-12-02 14:26:35 -08:00
parent 5866d7afbf
commit 3db02dd609
1 changed files with 30 additions and 0 deletions
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Makefile.common
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@@ -582,6 +582,36 @@ cloc: $(SRPMFILE)
@$(MOCK) --clean --scrub=chroot --uniqueext=$(PKG_NAME)
cat results/cloc.txt
#help backport-<commit>: Retrieve a commit from the upstream git repository and save it as a backport patch.
#help Currently only works with GitHub repositories. The giturl is read from options.conf.
backport-%:
@commit=$*; \
echo "Backporting commit: $${commit}"; \
giturl=$$(grep -E '^giturl\s*=\s*https://github.com' options.conf | sed 's/giturl\s*=\s*//' | sed 's/\.git$$//' | sed 's/\/$$//' 2>/dev/null); \
if [[ -z "$${giturl}" ]]; then \
echo "Error: giturl not defined in options.conf"; \
exit 1; \
fi; \
if ! curl -s -L -o $@.patch $${giturl}/commit/$*.patch || [[ "Not Found" == $$(< $@.patch) ]]; then \
rm -f $@.patch; \
echo "Error: Failed to download commit $*"; \
exit 1; \
fi; \
patch=$@.patch; \
full_commit=$$(head -1 $@.patch | grep -oE '\b$*\S+' 2>/dev/null); \
if ! [[ -z "$${full_commit}" ]]; then \
patch=backport-$${full_commit}.patch; \
mv $@.patch $${patch}; \
fi; \
if [[ -s $${patch} ]]; then \
echo "$${patch} created"; \
grep -qE "^$${patch}$$" series 2>/dev/null || echo "$${patch}" >> series; \
else \
rm -f $${patch}; \
echo "Error: Failed to create backport patch"; \
exit 1; \
fi \
.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