Thierry Vignaud > RPM4-0.31 > Hdlist::Db

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NAME ^

Hdlist::Db

DESCRIPTION ^

This object allow to access to the rpm datadase and installing rpms on the system.

METHODS ^

Hdlist::Db->traverse_headers(sub)

Go through the rpm database and for each header run the callback passed as argument.

Argument passed to the callback function is the current header as a Hdlist::Header object.

Ex: $db->traverse_headers( sub { my ($h) = @_; print $h->queryformat("%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}"); });

Hdlist::Db->injectheader($header)

Add the header into rpmdb. This is not installing a package, the function only fill information into the rpmdb.

Return 0 on success.

Hdlist::Db->deleteheader($index)

Remove header from rpmdb locate at $index. This is not uninstalling a package, this function only delete information from rpmdb.

Return 0 on success

Hdlist::Db->transadd(header, filename, upgrade, relocation, force)

Add rpm headers for next transaction. This means this rpm are going to be installed on the system.

- header is an Hdlist::Header object,

- filename, if given, is the rpm file you want to install, and should of course match the header,

- upgrade is a boolean flag to indicate whether the rpm is going to be upgraded (1 by default).

Returns 0 on success.

See: $Hdlist::Db->transcheck(), $Hdlist::Db->transrun().

Hdlist::Db->transremove(rpm_name)

Add rpm to remove for next transaction. This mean the rpm will be uninstalled from the system.

Argument is the exact rpm name (%{NAME}) or a string as NAME(EPOCH:VERSION-RELEASE).

Returns the number of selected rpms for this transaction.

Hdlist::Db->transcheck()

Check current transaction is possible.

Returns 0 on success, 1 on error during check.

Hdlist::Db->transorder()

Call to rpmlib to order the transaction, aka sort rpm installation / desintallation.

Returns 0 on success.

Hdlist::Db->transpb

Return an array of problem found during Hdlist::Db-transcheck> or Hdlist::Db-transrun>

Hdlist::Db->transrun($callback, $flags...)

Really run transaction and install/uninstall packages.

$callback can be:

- undef value, let rpm show progression with some default value.

- array ref: each value represent a rpm command line options:

    PERCENT: show percentage of progress (--percent)
    HASH: print '#' during progression (--hash)
    LABEL: show rpm name (--verbose)

- code ref: rpm is fully silent, the perl sub is called instead. Arguments passed to the subroutine are in a hash:

    filename => opened filename
    header => current header in transaction
    what => current transaction process
    amount => amount of transaction
    total => number of transaction to do

flags: list of flags to set for transaction (see rpm man page):

From rpm Transaction flag:

  - NOSCRIPTS: --noscripts
  - JUSTDB: --justdb
  - NOTRIGGERS: --notriggers
  - NODOCS: --excludedocs
  - ALLFILES: --allfiles
  - DIRSTASH: --dirstash
  - REPACKAGE: --repackage
  - NOTRIGGERPREIN: --notriggerprein
  - NOPRE: --nopre
  - NOPOST: --nopost
  - NOTRIGGERIN: --notriggerin
  - NOTRIGGERUN: --notriggerun
  - NOPREUN: --nopreun
  - NOPOSTUN: --nopostun
  - NOTRIGGERPOSTUN: --notriggerpostun
  - NOSUGGEST: --nosuggest
  - NOMD5: --nomd5
  - ADDINDEPS: --aid
  - noscripts: Do not running any scripts, neither triggers

From rpm prob filter

  - IGNOREOS: --ignoreos
  - IGNOREARCH: --ignorearch
  - REPLACEPKG: --replacepkgs
  - REPLACENEWFILES: --replacefiles
  - REPLACEOLDFILES: --replacefiles
  - OLDPACKAGES: --oldpackage
  - DISKSPACE: --ignoresize
  - DISKNODE: --ignoresize

Returns 0 on success.

$db->transpbs

Return a Hdlist::Db::Problems object containing problem found during rpms installation/desinstallation.

See Hdlist::Db::Problems

SEE ALSO ^

Hdlist

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