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p7zip: fix determinism of compressed manpages

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diffoscope shown non-determinism in embedded gzip timestamp:

  --- p7zip-17.04/share/man/man1/7z.1.gz
  +++ p7zip-17.04.check/share/man/man1/7z.1.gz
  ─ filetype from file(1)
  @@ -1 +1 @@
  -gzip compressed data, was "7z.1", last modified: Fri Oct  1 14:14:55 2021, from Unix
  +gzip compressed data, was "7z.1", last modified: Sat Oct  9 08:15:33 2021, from Unix

Fix it by using `gzip -n`.
This commit is contained in:
Sergei Trofimovich 2021-10-09 09:14:41 +01:00
parent f9fbffdf02
commit edf8f5d054
1 changed files with 3 additions and 0 deletions
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3
pkgs/tools/archivers/p7zip/default.nix
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@ -14,6 +14,9 @@ stdenv.mkDerivation rec {
# Default makefile is full of impurities on Darwin. The patch doesn't hurt Linux so I'm leaving it unconditional
postPatch = ''
sed -i '/CC=\/usr/d' makefile.macosx_llvm_64bits
# Avoid writing timestamps into compressed manpages
# to maintain determinism.
substituteInPlace install.sh --replace 'gzip' 'gzip -n'
chmod +x install.sh
# I think this is a typo and should be CXX? Either way let's kill it