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Author: Johannes Schauer <josch@debian.org>, modified by
Ralf Treinen <treinen@debian.org>
Description: honour SOURCE_DATE_EPOCH environment variable
Debian-bug: #870585
Index: hevea/xxdate.exe
===================================================================
--- hevea.orig/xxdate.exe 2018-12-04 21:08:38.907529301 +0100
+++ hevea/xxdate.exe 2018-12-04 21:14:54.589451676 +0100
@@ -1,17 +1,19 @@
#! /bin/sh
+SDE="@${SOURCE_DATE_EPOCH:-$(date +%s)}"
+TZSWITCH="${SOURCE_DATE_EPOCH:+--utc}"
cat <<EOF
%% TeX counters
-\newcounter{year}\setcounter{year}{`date +"%Y" 2> /dev/null || date | awk '{print $NF}'`}
-\newcounter{month}\setcounter{month}{`date +"%m"`}
-\newcounter{day}\setcounter{day}{`date +"%d"`}
-\newcounter{time}\setcounter{time}{60 * `date +"%H"` + `date +"%M"`}
+\newcounter{year}\setcounter{year}{`date $TZSWITCH --date=$SDE +"%Y" 2> /dev/null || date $TZSWITCH --date=$SDE | awk '{print $NF}'`}
+\newcounter{month}\setcounter{month}{`date $TZSWITCH --date=$SDE +"%m"`}
+\newcounter{day}\setcounter{day}{`date $TZSWITCH --date=$SDE +"%d"`}
+\newcounter{time}\setcounter{time}{60 * `date $TZSWITCH --date=$SDE +"%H"` + `date $TZSWITCH --date=$SDE +"%M"`}
%% Extras
-\newcounter{hour}\setcounter{hour}{`date +"%H"`}
+\newcounter{hour}\setcounter{hour}{`date $TZSWITCH --date=$SDE +"%H"`}
\newcounter{Hour}\setcounter{Hour}{\value{hour}-(\value{hour}/12)*12}
-\newcounter{weekday}\setcounter{weekday}{`date +"%w"`}
-\newcounter{minute}\setcounter{minute}{`date +"%M"`}
-\newcounter{second}\setcounter{second}{`date +"%S"`}
+\newcounter{weekday}\setcounter{weekday}{`date $TZSWITCH --date=$SDE +"%w"`}
+\newcounter{minute}\setcounter{minute}{`date $TZSWITCH --date=$SDE +"%M"`}
+\newcounter{second}\setcounter{second}{`date $TZSWITCH --date=$SDE +"%S"`}
\def\ampm{\ifthenelse{\value{hour}>12}{PM}{AM}}
-\def\timezone{`date +"%Z" 2> /dev/null || date | awk '{print $5}'`}
-\def\heveadate{`date`}
-EOF
\ No newline at end of file
+\def\timezone{`date $TZSWITCH --date=$SDE +"%Z" 2> /dev/null || date $TZSWITCH --date=$SDE | awk '{print $5}'`}
+\def\heveadate{`date $TZSWITCH --date=$SDE`}
+EOF
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