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maint: Generate 'doc/version-LANG.texi' reproducibly.
* doc/local.mk ($(srcdir)/doc/stamp-vti): Change rule into... (version.texi-from-git): ...this new function. Call it with vti,guix.texi,; and for all MANUAL_LANGUAGES with $(i),po/doc/guix-manual.$(lang).po, -$(lang.po). Change-Id: Ia8df618178066cad320eecea0299337224e23a73
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doc/local.mk
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doc/local.mk
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@ -6,6 +6,7 @@
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# Copyright © 2016, 2018 Mathieu Lirzin <mthl@gnu.org>
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# Copyright © 2018, 2021 Julien Lepiller <julien@lepiller.eu>
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# Copyright © 2019 Timothy Sample <samplet@ngyro.com>
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# Copyright © 2024 Janneke Nieuwenhuizen <janneke@gnu.org>
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#
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# This file is part of GNU Guix.
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#
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@ -254,22 +255,34 @@ endif
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# Reproducible tarball
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# Generate 'version.texi' reproducibly using metadata from Git rather than
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# using metadata from the filesystem. This is expected to generate warnings:
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# Define a rule to build `version[LANG].texi' reproducibly using metadata from
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# Git rather than using metadata from the filesystem.
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define version.texi-from-git
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$(srcdir)/doc/stamp-$(1): $(srcdir)/$(2) $(top_srcdir)/configure
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$$(AM_V_GEN)set -e; \
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export LANG=C LANGUAGE=C LC_ALL=C LC_TIME=C; \
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export TZ=UTC0; \
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timestamp="$$$$(git log --pretty=format:%ct -n1 -- "$$<" \
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2>/dev/null \
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|| echo $$(SOURCE_DATE_EPOCH))" \
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dmy=$$$$(date --date="@$$$$timestamp" "+%-d %B %Y"); \
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my=$$$$(date --date="@$$$$timestamp" "+%B %Y"); \
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{ echo "@set UPDATED $$$$dmy"; \
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echo "@set UPDATED-MONTH $$$$my"; \
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echo "@set EDITION $$$(VERSION)"; \
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echo "@set VERSION $$$(VERSION)"; } > "$$@-t"; \
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mv "$$@-t" "$$@"; \
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cp -p "$$@" "$$(srcdir)/doc/version$(3).texi"
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endef
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# Generate rules for stamp-vti and stamp-N that create version.texi and
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# version-LANG.texi to override the Autotools versions that use timestamps
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# embedded in the file-system. These are expected to generate warnings:
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#
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# Makefile:7376: warning: overriding recipe for target 'doc/stamp-vti'
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# Makefile:5098: warning: ignoring old recipe for target 'doc/stamp-vti'
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$(srcdir)/doc/stamp-vti: $(srcdir)/doc/guix.texi $(top_srcdir)/configure
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$$(AM_V_GEN)set -e; \
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export LANG=C LANGUAGE=C LC_ALL=C LC_TIME=C; \
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export TZ=UTC0; \
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timestamp=$$(git log --pretty=format:%ct -n1 -- $< 2>/dev/null \
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|| echo $(SOURCE_DATE_EPOCH)) \
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dmy=$$(date --date="@$$timestamp" "+%-d %B %Y"); \
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my=$$(date --date="@$$timestamp" "+%B %Y"); \
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{ echo "@set UPDATED $$dmy"; \
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echo "@set UPDATED-MONTH $$my"; \
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echo "@set EDITION $(VERSION)"; \
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echo "@set VERSION $(VERSION)"; } > $@-t; \
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mv $@-t $@; \
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cp $@ $(srcdir)/doc/version.texi
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i:=0
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$(eval $(call version.texi-from-git,vti,doc/guix.texi,))
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$(foreach lang, $(MANUAL_LANGUAGES), \
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$(eval i=$(shell echo $$(($(i)+1)))) \
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$(eval $(call version.texi-from-git,$(i),po/doc/guix-manual.$(lang).po,-$(lang))))
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