[Bug 1550726] Re: [apt-utils] Changing "Section", "Maintainer" or "Depends" (and probably some others) fields in a control file makes apt-ftparchive miss the new package in "Packages" file.

[jean-christophe manciot]

I've just added apt 1.2.7 to the repository and the following packages are not included in "Packages":
- apt-utils_1.2.7; I've noticed that only "Version" and apt version in "Depends" have changed, and the "Installed Size" has not changed.
- libapt-inst2.0_1.2.7
- libapt-pkg-doc_1.2.7_all.deb

However, I've just found a workaround: if I delete packages-amd64.db and
rerun apt-ftparchive, all packages are present in "Packages".

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Title:
  [apt-utils] Changing "Section", "Maintainer" or "Depends" (and
  probably some others) fields in a control file makes apt-ftparchive
  miss the new package in "Packages" file.

Status in apt package in Ubuntu:
  New

Bug description:
  On Linux 4.2.0-30-generic #36-Ubuntu SMP Fri Feb 26 00:58:07 UTC 2016 x86_64 GNU/Linux
  with apt-utils  1.0.10.2 corresponding to previously named issue "apt-ftparchive reports wrong file size and checksums in Packages"
  Cf. post #2 which matches the current bug description with apt-utils 1.2.4.

  Generating Packages with (apt-ftparchive.conf is attached below.):
  apt-ftparchive generate --contents=off ./apt-ftparchive.conf
  Generated Packages contains:
  #################################################################
  Package: nemo
  ...
  Installed-Size: 9508
  ...
  Version: 2.8.6-11
  ...
  Filename: dists/wily/system-tools/binary-amd64/nemo_2.8.6-11_amd64.deb
  Size: 1392338
  MD5sum: de162d539df28402f54761f671259278
  SHA1: fb5ebacfc032071d3715dce18640deb649732048
  SHA256: d0c52eb9bd8224e3d876dc6426ccc1ed49f975038152c53faacd5e71e0a19a33
  SHA512: e1cc7eb9865c9f3f5a8d4a8f4406862617e285a080bf6c894b3295088a4406a149b53e27ae379c43335a4231e60966f7068412e93173a6e9bfaa8c48b43ac616
  #################################################################

  However, on disk, we have very different file size & checksums:
  ll nemo*
  -rw-r--r-- 1 actionmystique actionmystique 1082324 Feb 27 15:01 nemo_2.8.6-11_amd64.deb

  md5sum nemo_2.8.6-11_amd64.deb
  68d5c945d9ccd9d3d2807ba46e33cc42  nemo_2.8.6-11_amd64.deb

  If we generate Packages differently with:
  apt-ftparchive packages . > Packages
  Generated Packages contains this time correct file size & checksums:
  #################################################################
  Package: nemo
  ...
  Installed-Size: 5284
  ...
  Version: 2.8.6-11
  ...
  Filename: ./nemo_2.8.6-11_amd64.deb
  Size: 1082324
  MD5sum: 68d5c945d9ccd9d3d2807ba46e33cc42
  SHA1: eecee7a24c20843c15997adcddcd3dad38c9c831
  SHA256: 83451ab9c9975dc7e18d43f2a7d223000c4ee84c9383e82a6461bffef641760a
  SHA512: ce715c1d480607e347511562f6d29d10eddb900d2ced3a82d1db08e2bc1a9c24974d3c59cc1e1e83b19ba5dac90d0cc80c7288606e6e3ac06d3551df3550ad09
  #################################################################

  What is very strange is that all other packages in the same folder are
  correctly described by Packages when using the first method for
  generating Packages.

  I have the same issue with another package in another folder.

  I have also uploaded the deb.
  Any suggestion?

  N.B: I can upload the second package if necessary.

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