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document that --xattrs --xattrs-include='*' is needed when extracting a tarball

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This commit is contained in:
Johannes 'josch' Schauer 2020-01-03 16:05:28 +01:00
parent 647e7e37f1
commit c8f79cf4b5
Signed by untrusted user: josch
GPG key ID: F2CBA5C78FBD83E1
1 changed files with 10 additions and 8 deletions
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mmdebstrap
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@ -3429,13 +3429,15 @@ B<mmdebstrap> will create a tarball of that directory and store it as
I<TARGET>, optionally applying a compression algorithm as indicated by its
filename extension. If I<TARGET> is C<-> or if no I<TARGET> was specified,
then an uncompressed tarball of that directory will be sent to standard
output. If I<TARGET> does not end in C<.tar> or with any of the filename
extensions listed in the section B<COMPRESSION>, then I<TARGET> will be
interpreted as the path to a directory. If the directory already exists, it
must either be empty or only contain an empty C<lost+found> directory. If a
directory is chosen as output in any other mode than B<sudo>, then its
contents will have wrong ownership information and special device files will
be missing.
output. When B<mmdebstrap> creates a tarball it also stores extended
attributes. To preserve the extended attributes, you have to pass B<--xattrs
--xattrs-include='*'> to tar when extracting the tarball. If I<TARGET> does
not end in C<.tar> or with any of the filename extensions listed in the
section B<COMPRESSION>, then I<TARGET> will be interpreted as the path to a
directory. If the directory already exists, it must either be empty or only
contain an empty C<lost+found> directory. If a directory is chosen as output
in any other mode than B<sudo>, then its contents will have wrong ownership
information and special device files will be missing.
The I<SUITE> may be a valid release code name (eg, sid, stretch, jessie) or a
symbolic name (eg, unstable, testing, stable, oldstable). Any suite name that
@ -3960,7 +3962,7 @@ Use as replacement for autopkgtest-build-qemu and vmdb2:
part-disk /dev/sda mbr : \
part-set-bootable /dev/sda 1 true : \
mkfs ext2 /dev/sda1 : mount /dev/sda1 / : \
tar-in debian-unstable.tar / : \
tar-in debian-unstable.tar / xattrs:true : \
extlinux / : \
copy-in extlinux.conf /
$ qemu-img convert -O qcow2 debian-unstable.img debian-unstable.qcow2