On 30.01.19 10:46, Werner LEMBERG wrote:
[...] getting identical checksums *for the doc bundle* is probably
only possible if you have a gub installation containing a TeXLive
package also.
As time stamps are stored e.g. in pdf files we won't get constant
checksums unless we do some special postprocessing.
This is no longer true, fortunately, since all major TeX engines
support the `SOURCE_DATE_EPOCH' environment variable, cf.
https://tex.stackexchange.com/questions/229605/reproducible-latex-builds-compile-to-a-file-which-always-hashes-to-the-same-va
However, there might be subtle differences in the used LaTeX packages
that can only be fixed if the packages are *identical* in all gub
installations, which in turn implies that you need TeXLive as a gub package
[ I forgot to cc lilypond-dev in my original reply ...]
Remember that we do not release the documents generated by *TeX, we feed those
documents to ghostscript and relase the results.
There was a related discussion on ghostscripts bugzilla:
https://bugs.ghostscript.com/show_bug.cgi?id=696765
Knut
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