Source: tth
Version: 4.05+ds-1
Severity: wishlist
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org

Hi!

While working on the "reproducible builds"€ effort [1], we have noticed
that tth could not be built reproducibly.
The build timestamp is embedded into several HTML files.

The attached patch fixes this by removing the timestamp from generated
HTML files, as it provides no useful information anyway.

Regards,
 Reiner

[1]: https://wiki.debian.org/ReproducibleBuilds

diff --git a/debian/patches/reproducible_build.patch b/debian/patches/reproducible_build.patch
new file mode 100644
index 0000000..1008736
--- /dev/null
+++ b/debian/patches/reproducible_build.patch
@@ -0,0 +1,41 @@
+Author: Reiner Herrmann <rei...@reiner-h.de>
+Description: Don't embed timestamp into HTML
+ For generated HTML files, the current timestamp is embedded.
+ As this prevents the package from building reproducible and
+ provides no useful information it can be removed.
+
+Index: tth-4.05+ds/tthg.lex
+===================================================================
+--- tth-4.05+ds.orig/tthg.lex
++++ tth-4.05+ds/tthg.lex
+@@ -5977,7 +5977,6 @@ char ttver[]=TTH_VERSION;
+ char ttname[20];
+ time_t secs_elapsed;
+ time_t make_time=939087164;
+-char timestr[]="On 00 Jan 2000, 00:00.";
+ FILE *fdin=0;
+ int horizmode=1; /* In signoff use font tags not divs */
+ char main_input[TTH_CHARLEN];
+@@ -6135,20 +6134,12 @@ char main_output[TTH_CHARLEN];
+   yylex();
+   fprintf(stderr, "Number of lines processed approximately %d\n", 
+ 	  tth_num_lines-1);
+-  /* Time stamp */
+-  time(&secs_elapsed);
+-  spoint=ctime(&secs_elapsed);
+-  strncpy(timestr+3,spoint+8,2);
+-  strncpy(timestr+6,spoint+4,3);
+-  strncpy(timestr+10,spoint+20,4);
+-  strncpy(timestr+16,spoint+11,5);
+-  if(raw==2)*timestr=0; /* Not if -r2 */
+   if(raw!=1 && raw != 4){
+     fprintf(tth_fdout,"\n<br /><br /><hr /><small>File translated from\n\
+ T<sub>%sE%s</sub>X\nby <a href=\"http://hutchinson.belmont.ma.us/tth/\";>\n\
+ T<sub>%sT%s</sub>%s</a>,\n\
+-version %s.<br />%s</small>\n",TTH_SMALL,TTH_SIZEEND,TTH_SMALL,TTH_SIZEEND
+-		    ,TTH_NAME,TTH_VERSION,timestr);
++version %s.</small>\n",TTH_SMALL,TTH_SIZEEND,TTH_SMALL,TTH_SIZEEND
++		    ,TTH_NAME,TTH_VERSION);
+   }
+   if(raw!=1){
+     if(tth_htmlstyle&3)fprintf(tth_fdout,"</div></body>");
diff --git a/debian/patches/series b/debian/patches/series
index 8e030db..9f5fb8c 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -8,3 +8,4 @@ secure-upstream-doc.patch
 silence-upstream-doc.patch
 debianization.patch
 debianization-clean.patch
+reproducible_build.patch

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