[Rpm-maint] [rpm-software-management/rpm] RFE: container-native rpmdb format (Issue #2005)

[Ludwig Nussel]

The ability to overlay a tree with extra packages is also part of the motivation for #1959.
Meanwhile a q&d solution for containers would be to add eg a plugin to dnf that dumps the database after the transaction and then deletes the database. On startup it could import those headers again if no db exists yet (cat *|rpmdb --importdb).

https://github.com/lnussel/toy/blob/master/dumpheaders.c stores rpm headers in separate files in contrast to rpmdb --exportdb.
In #1959 are also commits that allow use of packages (with or without payload) for that purpose.

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