[tor-bugs] #31996 [Applications/Tor Browser]: Consider using mmdebstrap instead of debootstrap

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#31996: Consider using mmdebstrap instead of debootstrap
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     Reporter:  boklm                     |      Owner:  tbb-team
         Type:  task                      |     Status:  new
     Priority:  Medium                    |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:  tbb-rbm
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 We are currently using debootstrap to generate our Debian images. We might
 want to switch to mmdebstrap:
 https://gitlab.mister-muffin.de/josch/mmdebstrap

 It seems using mmdebstrap would make the creation of chroots faster
 (because of using apt directly, and because security updates do not need
 to be installed in a separate step). Although we only create one base
 chroot tarball for each Debian release, so this wouldn't make a
 significant difference in overall build time.

 An other interesting feature is support for Linux user namespaces,
 allowing the creation of chroot tarball without root access, which could
 help for #23631.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31996>
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