[Rpm-maint] [rpm-software-management/rpm] Write the content of a file with hard links into the first file (#342)

[Stefan Berger]

This series of patches attempts to address the errors we are seeing when installing RPMs that contain hard links and an IMA policy that measures on reading and writing of files. The problem has been explained in issue #333.

The solution is to open the first file that is created empty but now keep the file descriptor to that file open and complete the writing of the file at the last file (hard link) that actually has the file content.
You can view, comment on, or merge this pull request online at:

  https://github.com/rpm-software-management/rpm/pull/342

-- Commit Summary --

  * Split off function wfd_close() to close a file
  * split off function wfd_open() to open a file
  * Create first hard link file and keep open, write it at end
  * remove redundant 'nocontent' parameter from expandRegular
  * Remove redundant 'exclusive' parameter from expandRegular

-- File Changes --

    M lib/fsm.c (97)

-- Patch Links --

https://github.com/rpm-software-management/rpm/pull/342.patch
https://github.com/rpm-software-management/rpm/pull/342.diff

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https://github.com/rpm-software-management/rpm/pull/342
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