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https://github.com/archlinuxarm/PKGBUILDs.git
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56 lines
2.1 KiB
Diff
56 lines
2.1 KiB
Diff
Description: Reproducible builds requires that the build time stamp is not
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recorded in binaries. In FPC they are fuild in via the $INCLUDE %DATE%
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directive which calls getdatestr in globals.pas. To allow reproducible builds
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we should honor the SOURCE_DATE_EPOCH environment variable. To not depend on
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the dateutil unit, we include the required code from that package here.
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Author: Paul Gevers <elbrus@debian.org>
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Author: Abou Al Montacir <abou.almontacir@sfr.fr>
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Index: fpc/fpcsrc/compiler/globals.pas
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===================================================================
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--- fpc.orig/fpcsrc/compiler/globals.pas
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+++ fpc/fpcsrc/compiler/globals.pas
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@@ -559,6 +559,7 @@ interface
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startsystime : TSystemTime;
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function getdatestr:string;
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+ Function UnixToDateTime(const AValue: Int64): TDateTime;
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function gettimestr:string;
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function filetimestring( t : longint) : string;
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function getrealtime(const st: TSystemTime) : real;
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@@ -816,12 +817,34 @@ implementation
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get the current date in a string YY/MM/DD
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}
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var
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+ Year,Month,Day: Word;
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st: TSystemTime;
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+ SourceDateEpoch: string;
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begin
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+ SourceDateEpoch := GetEnvironmentVariable('SOURCE_DATE_EPOCH');
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+ if Length(SourceDateEpoch)>0 then
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+ begin
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+ DecodeDate(UnixToDateTime(StrToInt64(SourceDateEpoch)),Year,Month,Day);
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+ getdatestr:=L0(Year)+'/'+L0(Month)+'/'+L0(Day);
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+ end
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+ else
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+ begin
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GetLocalTime(st);
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getdatestr:=L0(st.Year)+'/'+L0(st.Month)+'/'+L0(st.Day);
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+ end;
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end;
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+ Function UnixToDateTime(const AValue: Int64): TDateTime;
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+ { Code copied from fpcsrc/packages/rtl-objpas/src/inc/dateutil.inc and
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+ fpcsrc/rtl/objpas/sysutils/datih.inc }
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+ const
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+ TDateTimeEpsilon = 2.2204460493e-16 ;
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+ UnixEpoch = TDateTime(-2415018.5) + TDateTime(2440587.5) ;
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+ begin
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+ Result:=UnixEpoch + AValue/SecsPerDay;
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+ if (UnixEpoch>=0) and (Result<-TDateTimeEpsilon) then
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+ Result:=int(Result-1.0+TDateTimeEpsilon)-frac(1.0+frac(Result));
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+ end;
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function filetimestring( t : longint) : string;
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{
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