[Bug 1176337] [NEW] rpm size estimation does not account hardlinks?

[Elan Ruusamäe]

Public bug reported:

# poldek -u git-core

There are 3 packages to install (2 marked by dependencies):
I git-core-1.8.2.1-1.i686
D perl-Error-0.17016-1.noarch  perl-Git-1.8.2.1-1.i686
This operation will use 11.1MB of disk space.
Need to get 2.5MB of archives.
Executing rpm --upgrade -vh --root / --define _check_dirname_deps 1...
Preparing...                ########################################### [100%]
error: Install/Erase problems:
        installing package git-core-1.8.2.1-1.i686 needs 61MB on the / filesystem
12:52:22 root[load: 0.22]@vagrant-pld /etc/etckeeper# df
Filesystem      Type      Size  Used Avail Use% Mounted on
rootfs          rootfs   1020M  908M  112M  90% /


now i growed disk and tried again:

# df /
Filesystem      Type  Size  Used Avail Use% Mounted on
/dev/sys/rootfs xfs   1.4G  909M  512M  64% /


# poldek -u git-core
...
Processing dependencies...
git-core-1.8.2.1-1.i686 marks perl-Git-1.8.2.1-1.i686 (cap perl(Git))
 perl-Git-1.8.2.1-1.i686 marks perl-Error-0.17016-1.noarch (cap perl(Error))
Package git-core-1.8.2.1-1.i686 suggests installation of:
1. git-core-cvs
2. git-core-svn
3. rsync
Try to install them? (y - all, n - nothing, s - select some of)? [N/y/s] n
There are 3 packages to install (2 marked by dependencies):
I git-core-1.8.2.1-1.i686
D perl-Error-0.17016-1.noarch  perl-Git-1.8.2.1-1.i686
This operation will use 11.1MB of disk space.
Need to get 2.5MB of archives.

Executing rpm --upgrade -vh --root / --define _check_dirname_deps 1...
Preparing...                ########################################### [100%]
   1:perl-Error             ########################################### [ 33%]
   2:perl-Git               ########################################### [ 67%]
   3:git-core               ########################################### [100%]

# df /
Filesystem      Type  Size  Used Avail Use% Mounted on
/dev/sys/rootfs xfs   1.4G  919M  501M  65% /

git core is a package with files having 112 hardlinks

# rpm -q poldek rpm
poldek-0.30.0-1.rc7.2.i686
rpm-5.4.10-50.i686

** Affects: rpm
     Importance: Undecided
         Status: New

** Affects: pld-linux
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1176337

Title:
  rpm size estimation does not account hardlinks?

Status in rpm package manager:
  New
Status in PLD Linux Distribution:
  New

Bug description:
  # poldek -u git-core

  There are 3 packages to install (2 marked by dependencies):
  I git-core-1.8.2.1-1.i686
  D perl-Error-0.17016-1.noarch  perl-Git-1.8.2.1-1.i686
  This operation will use 11.1MB of disk space.
  Need to get 2.5MB of archives.
  Executing rpm --upgrade -vh --root / --define _check_dirname_deps 1...
  Preparing...                ########################################### [100%]
  error: Install/Erase problems:
          installing package git-core-1.8.2.1-1.i686 needs 61MB on the / filesystem
  12:52:22 root[load: 0.22]@vagrant-pld /etc/etckeeper# df
  Filesystem      Type      Size  Used Avail Use% Mounted on
  rootfs          rootfs   1020M  908M  112M  90% /

  
  now i growed disk and tried again:

  # df /
  Filesystem      Type  Size  Used Avail Use% Mounted on
  /dev/sys/rootfs xfs   1.4G  909M  512M  64% /

  
  # poldek -u git-core
  ...
  Processing dependencies...
  git-core-1.8.2.1-1.i686 marks perl-Git-1.8.2.1-1.i686 (cap perl(Git))
   perl-Git-1.8.2.1-1.i686 marks perl-Error-0.17016-1.noarch (cap perl(Error))
  Package git-core-1.8.2.1-1.i686 suggests installation of:
  1. git-core-cvs
  2. git-core-svn
  3. rsync
  Try to install them? (y - all, n - nothing, s - select some of)? [N/y/s] n
  There are 3 packages to install (2 marked by dependencies):
  I git-core-1.8.2.1-1.i686
  D perl-Error-0.17016-1.noarch  perl-Git-1.8.2.1-1.i686
  This operation will use 11.1MB of disk space.
  Need to get 2.5MB of archives.

  Executing rpm --upgrade -vh --root / --define _check_dirname_deps 1...
  Preparing...                ########################################### [100%]
     1:perl-Error             ########################################### [ 33%]
     2:perl-Git               ########################################### [ 67%]
     3:git-core               ########################################### [100%]

  # df /
  Filesystem      Type  Size  Used Avail Use% Mounted on
  /dev/sys/rootfs xfs   1.4G  919M  501M  65% /

  git core is a package with files having 112 hardlinks

  # rpm -q poldek rpm
  poldek-0.30.0-1.rc7.2.i686
  rpm-5.4.10-50.i686

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