groff/trunk/display-utc-times.patch

   1 From 69faba79256faeee8d564298855eebe8c5e9c870 Mon Sep 17 00:00:00 2001
   2 From: Colin Watson <cjwatson@debian.org>
   3 Date: Fri, 6 Nov 2015 11:40:37 +0000
   4 Subject: Always use UTC times for display
   5
   6 Using localtime is problematic for reproducible builds.  For now, always
   7 use UTC times (gmtime etc.) for display.  (Note that this changes the
   8 semantics of \n[hours] etc., so may need further work.)
   9
  10 Forwarded: no
  11 Last-Update: 2018-03-05
  12
  13 Patch-Name: display-utc-times.patch
  14 ---
  15  src/devices/grohtml/post-html.cpp | 4 ++--
  16  src/devices/gropdf/gropdf.pl      | 4 ++--
  17  src/devices/grops/ps.cpp          | 2 +-
  18  src/roff/troff/input.cpp          | 2 +-
  19  4 files changed, 6 insertions(+), 6 deletions(-)
  20
  21 diff --git a/src/devices/grohtml/post-html.cpp b/src/devices/grohtml/post-html.cpp
  22 index 7bc017e0..ad7ca54f 100644
  23 --- a/src/devices/grohtml/post-html.cpp
  24 +++ b/src/devices/grohtml/post-html.cpp
  25 @@ -5016,7 +5016,7 @@ void html_printer::do_file_components (void)
  26
  27        t = current_time();
  28        html.begin_comment("CreationDate: ")
  29 -       .put_string(ctime(&t), strlen(ctime(&t))-1)
  30 +       .put_string(asctime(gmtime(&t)), strlen(asctime(gmtime(&t)))-1)
  31         .end_comment();
  32
  33        if (dialect == html4)
  34 @@ -5129,7 +5129,7 @@ html_printer::~html_printer()
  35
  36    t = current_time();
  37    html.begin_comment("CreationDate: ")
  38 -    .put_string(ctime(&t), strlen(ctime(&t))-1)
  39 +    .put_string(asctime(gmtime(&t)), strlen(asctime(gmtime(&t)))-1)
  40      .end_comment();
  41
  42    if (dialect == html4)
  43 diff --git a/src/devices/gropdf/gropdf.pl b/src/devices/gropdf/gropdf.pl
  44 index 2ec52d06..134b0962 100644
  45 --- a/src/devices/gropdf/gropdf.pl
  46 +++ b/src/devices/gropdf/gropdf.pl
  47 @@ -280,7 +280,7 @@ elsif (exists($ppsz{$papersz}))
  48      @defaultmb=@mediabox=(0,0,$ppsz{$papersz}->[0],$ppsz{$papersz}->[1]);
  49  }
  50
  51 -my (@dt)=localtime($ENV{SOURCE_DATE_EPOCH} || time);
  52 +my (@dt)=gmtime($ENV{SOURCE_DATE_EPOCH} || time);
  53  my $dt=PDFDate(\@dt);
  54
  55  my %info=('Creator' => "(groff version $cfg{GROFF_VERSION})",
  56 @@ -538,7 +538,7 @@ sub GetObj
  57  sub PDFDate
  58  {
  59      my $dt=shift;
  60 -    return(sprintf("D:%04d%02d%02d%02d%02d%02d%+03d'00'",$dt->[5]+1900,$dt->[4]+1,$dt->[3],$dt->[2],$dt->[1],$dt->[0],( localtime time() + 3600*( 12 - (gmtime)[2] ) )[2] - 12));
  61 +    return(sprintf("D:%04d%02d%02d%02d%02d%02d+00'00'",$dt->[5]+1900,$dt->[4]+1,$dt->[3],$dt->[2],$dt->[1],$dt->[0]));
  62  }
  63
  64  sub ToPoints
  65 diff --git a/src/devices/grops/ps.cpp b/src/devices/grops/ps.cpp
  66 index ab3b1d73..b0fb78e1 100644
  67 --- a/src/devices/grops/ps.cpp
  68 +++ b/src/devices/grops/ps.cpp
  69 @@ -1392,7 +1392,7 @@ ps_printer::~ps_printer()
  70      time_t
  71  #endif
  72      t = current_time();
  73 -    fputs(ctime(&t), out.get_file());
  74 +    fputs(asctime(gmtime(&t)), out.get_file());
  75    }
  76    for (font_pointer_list *f = font_list; f; f = f->next) {
  77      ps_font *psf = (ps_font *)(f->p);
  78 diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
  79 index a1bd8eaf..f415aa6d 100644
  80 --- a/src/roff/troff/input.cpp
  81 +++ b/src/roff/troff/input.cpp
  82 @@ -8084,7 +8084,7 @@ static void init_registers()
  83  #endif /* not LONG_FOR_TIME_T */
  84      t = current_time();
  85    // Use struct here to work around misfeature in old versions of g++.
  86 -  struct tm *tt = localtime(&t);
  87 +  struct tm *tt = gmtime(&t);
  88    set_number_reg("seconds", int(tt->tm_sec));
  89    set_number_reg("minutes", int(tt->tm_min));
  90    set_number_reg("hours", int(tt->tm_hour));