Notes for gri - reproducible builds result

Version annotated: 2.12.23-8
Identified issues:
Identifier: timestamps_in_png
URL https://wiki.debian.org/ReproducibleBuilds/TimestampsInPNG
Description PNG can capture build time with the tIME chunk or custom keywords.
These timestamps are currently removed by strip-nondeterminism, so are not visible to diffoscope anymore. Yet fixing the root cause would be nice.
Identifier: timestamps_in_dvi_generated_by_latex
URL https://wiki.debian.org/ReproducibleBuilds/TimestampsInDviGeneratedByLaTeX
Description The creation date of the DVI file is the current time.
Identifier: timestamps_in_ps_generated_by_dvips
Description eg. %%CreationDate (or DVIPSSource?) in header
.
https://sources.debian.net/src/texlive-bin/latest/texk/web2c/pdftexdir/pdftex.web/#L14449
.
DVIPSSource date Can be set to SOURCE_DATE_EPOCH by setting FORCE_SOURCE_DATE to 1.
 

Our notes about issues affecting packages are stored in notes.git and are targeted at packages in Debian in 'unstable/amd64' (unless they say otherwise).