[Bug 1813923] [NEW] MERGED_USR=yes breaks debootstrap of updated xenial distrib

[Frederic Van Espen]

Public bug reported:

The latest change of MERGED_USR=yes in bionic is causing failure to
debootstrap an updated xenial chroot on bionic.

We have a mirror of ubuntu apt repositories where xenial, xenial-updates
and xenial-security are merged into one distribution called xenial-
updated-bootstrap. We do this to be able to debootstrap a fully up to
date chroot.

The debootstrap command looks like this:
debootstrap --arch=amd64 --components=main --include=SOME_PACKAGES xenial-updated-bootstrap target/ http://mirror /usr/share/debootstrap/scripts/xenial

This results in the debootstrap failing with these errors:
W: Failure while installing base packages.  This will be re-attempted up to five times.
W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
I: Unpacking kbd...
W: Failure while installing base packages.  This will be re-attempted up to five times.
W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
W: Failure while installing base packages.  This will be re-attempted up to five times.
W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
W: Failure while installing base packages.  This will be re-attempted up to five times.
W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
W: Failure while installing base packages.  This will be re-attempted up to five times.
W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)

In the debootstrap log I find these:
Unpacking kbd (1.15.5-1ubuntu5) ...
dpkg: error processing archive /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb (--unpack):
 unable to open '/bin/dumpkeys.dpkg-new': No such file or directory
Unpacking libpng12-0:amd64 (1.2.54-1ubuntu1.1) ...
dpkg: error processing archive /var/cache/apt/archives/libpng12-0_1.2.54-1ubuntu1.1_amd64.deb (--unpack):
 unable to install new version of '/lib/x86_64-linux-gnu/libpng12.so.0': No such file or directory

Even if I add --no-merged-usr option (which is supposed to be the
default according to the man page) the debootstrap fails.

The version previously available in bionic works fine to debootstrap the
updated xenial distribution.

** Affects: debootstrap (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  The latest change of MERGED_USR=yes in bionic is causing failure to
  debootstrap an updated xenial chroot on bionic.
  
  We have a mirror of ubuntu apt repositories where xenial, xenial-updates
  and xenial-security are merged into one distribution called xenial-
  updated-bootstrap. We do this to be able to debootstrap a fully up to
  date chroot.
  
  The debootstrap command looks like this:
  debootstrap --arch=amd64 --components=main --include=SOME_PACKAGES xenial-updated-bootstrap target/ http://mirror /usr/share/debootstrap/scripts/xenial
  
  This results in the debootstrap failing with these errors:
  W: Failure while installing base packages.  This will be re-attempted up to five times.
  W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
  I: Unpacking kbd...
  W: Failure while installing base packages.  This will be re-attempted up to five times.
  W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
  W: Failure while installing base packages.  This will be re-attempted up to five times.
  W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
  W: Failure while installing base packages.  This will be re-attempted up to five times.
  W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
  W: Failure while installing base packages.  This will be re-attempted up to five times.
  W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
  
- 
  In the debootstrap log I find these:
  Unpacking kbd (1.15.5-1ubuntu5) ...
  dpkg: error processing archive /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb (--unpack):
-  unable to open '/bin/dumpkeys.dpkg-new': No such file or directory
+  unable to open '/bin/dumpkeys.dpkg-new': No such file or directory
  Unpacking libpng12-0:amd64 (1.2.54-1ubuntu1.1) ...
  dpkg: error processing archive /var/cache/apt/archives/libpng12-0_1.2.54-1ubuntu1.1_amd64.deb (--unpack):
-  unable to install new version of '/lib/x86_64-linux-gnu/libpng12.so.0': No such file or directory
+  unable to install new version of '/lib/x86_64-linux-gnu/libpng12.so.0': No such file or directory
  
- 
- Even if I add --no-merged-usr option (which is supposed to be the default according to the man page the debootstrap fails.
+ Even if I add --no-merged-usr option (which is supposed to be the
+ default according to the man page) the debootstrap fails.
  
  The version previously available in bionic works fine to debootstrap the
  updated xenial distribution.

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https://bugs.launchpad.net/bugs/1813923

Title:
  MERGED_USR=yes breaks debootstrap of updated xenial distrib

Status in debootstrap package in Ubuntu:
  New

Bug description:
  The latest change of MERGED_USR=yes in bionic is causing failure to
  debootstrap an updated xenial chroot on bionic.

  We have a mirror of ubuntu apt repositories where xenial, xenial-
  updates and xenial-security are merged into one distribution called
  xenial-updated-bootstrap. We do this to be able to debootstrap a fully
  up to date chroot.

  The debootstrap command looks like this:
  debootstrap --arch=amd64 --components=main --include=SOME_PACKAGES xenial-updated-bootstrap target/ http://mirror /usr/share/debootstrap/scripts/xenial

  This results in the debootstrap failing with these errors:
  W: Failure while installing base packages.  This will be re-attempted up to five times.
  W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
  I: Unpacking kbd...
  W: Failure while installing base packages.  This will be re-attempted up to five times.
  W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
  W: Failure while installing base packages.  This will be re-attempted up to five times.
  W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
  W: Failure while installing base packages.  This will be re-attempted up to five times.
  W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)
  W: Failure while installing base packages.  This will be re-attempted up to five times.
  W: See /data/foober/debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb is at fault)

  In the debootstrap log I find these:
  Unpacking kbd (1.15.5-1ubuntu5) ...
  dpkg: error processing archive /var/cache/apt/archives/kbd_1.15.5-1ubuntu5_amd64.deb (--unpack):
   unable to open '/bin/dumpkeys.dpkg-new': No such file or directory
  Unpacking libpng12-0:amd64 (1.2.54-1ubuntu1.1) ...
  dpkg: error processing archive /var/cache/apt/archives/libpng12-0_1.2.54-1ubuntu1.1_amd64.deb (--unpack):
   unable to install new version of '/lib/x86_64-linux-gnu/libpng12.so.0': No such file or directory

  Even if I add --no-merged-usr option (which is supposed to be the
  default according to the man page) the debootstrap fails.

  The version previously available in bionic works fine to debootstrap
  the updated xenial distribution.

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