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ansifilter: fix non-determinism in gzipped manpages with s/gzip/gzip -n/

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Before the change ansifilter diffoscope shows non-determinism as:

    $ diffoscope '...-ansifilter-2.18' '...-ansifilter-2.18.check'
    --- ...-ansifilter-2.18/share/man/man1/ansifilter.1.gz
    +++ ...-ansifilter-2.18.check/share/man/man1/ansifilter.1.gz
    ─ filetype from file(1)
    @@ -1 +1 @@
    -gzip compressed data, was "ansifilter.1", last modified: Sat Oct 30 13:16:29 2021, max compression, from Unix
    +gzip compressed data, was "ansifilter.1", last modified: Sat Nov  6 18:04:36 2021, max compression, from Unix
This commit is contained in:
Sergei Trofimovich 2021-11-06 18:02:45 +00:00
parent 4599a1f98e
commit caeefb8bd1
1 changed files with 2 additions and 0 deletions
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pkgs/tools/text/ansifilter/default.nix
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@ -14,6 +14,8 @@ stdenv.mkDerivation rec {
postPatch = ''
substituteInPlace src/makefile --replace "CC=g++" "CC=c++"
# avoid timestamp non-determinism with '-n'
substituteInPlace makefile --replace 'gzip -9f' 'gzip -9nf'
'';
makeFlags = [