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groff: use changelog date rather than file modification date in man pages
The source checkout date is not particularly relevant, and this makes groff man pages build reproducibly. Reviewed by: bapt MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D8158
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=306740
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@ -119,7 +119,7 @@ revision=`sed -e 's/^0$$//' -e 's/^[1-9].*$$/.&/' $(GROFF_DIST)/REVISION`
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-e "s;@TMAC_MDIR@;$(tmacdir)/mm;g" \
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-e "s;@BROKEN_SPOOLER_FLAGS@;$(BROKEN_SPOOLER_FLAGS);g" \
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-e "s;@VERSION@;$(version)$(revision);g" \
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-e "s;@MDATE@;`$(SHELL) ${GROFF_DIST}/mdate.sh $<`;g" \
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-e "s;@MDATE@;$(MDATE);g" \
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-e "s;@g@;$(g);g" \
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-e "s;@G@;`echo $(g) | LC_ALL=C tr a-z A-Z`;g" \
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$< >$@
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@ -141,4 +141,5 @@ TOPREL?= ..
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GROFF_DIST= ${.CURDIR}/${TOPREL}/../../../contrib/groff
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DIST_SUBDIR?= ${.CURDIR:T}
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DIST_DIR= ${GROFF_DIST}/${DIST_SUBDIR}
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MDATE!= sh ${.CURDIR}/${TOPREL}/mdate.sh ${GROFF_DIST}/ChangeLog
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.PATH: ${DIST_DIR}
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9
gnu/usr.bin/groff/mdate.sh
Executable file
9
gnu/usr.bin/groff/mdate.sh
Executable file
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@ -0,0 +1,9 @@
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#!/bin/sh
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# $FreeBSD$
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set -e
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test -r "$1"
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export LC_ALL=C
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changelog_date=$(sed -E -n 's/^([0-9]{4}-[0-9]{2}-[0-9]{2}).*$/\1/p' "$1" |\
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head -n 1)
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echo $(date -j -f %Y-%m-%d +"%e %B %Y" $changelog_date)
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