forked from josch/mmdebstrap
add sanity check for fakechroot/proot renameat2 bug
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1 changed files with 24 additions and 0 deletions
24
mmdebstrap
24
mmdebstrap
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@ -1008,6 +1008,30 @@ sub setup {
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}
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}
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# some versions of coreutils use the renameat2 system call in mv.
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# This breaks certain versions of fakechroot and proot. Here we do
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# a sanity check and warn the user in case things might break.
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if (any { $_ eq $options->{mode} } ('fakechroot', 'proot') and -e "$options->{root}/bin/mv") {
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mkdir "$options->{root}/000-move-me" or die "cannot create directory: $!";
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my $ret = system @chrootcmd, '/bin/mv', '/000-move-me', '/001-delete-me';
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if ($ret != 0) {
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print STDERR "I: the /bin/mv binary inside the chroot doesn't work under ";
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if ($options->{mode} eq 'proot') {
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print STDERR "proot\n";
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print STDERR "I: this is likely due to missing support for renameat2 in proot\n";
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print STDERR "I: see https://github.com/proot-me/PRoot/issues/147\n";
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} else {
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print STDERR "fakechroot\n";
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print STDERR "I: with certain versions of coreutils and glibc, this is due to missing support for renameat2 in fakechroot\n";
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print STDERR "I: see https://github.com/dex4er/fakechroot/issues/60\n";
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}
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print STDERR "I: expect package post installation scripts not to work\n";
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rmdir "$options->{root}/000-move-me" or die "cannot rmdir: $!";
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} else {
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rmdir "$options->{root}/001-delete-me" or die "cannot rmdir: $!";
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}
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}
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# install the extracted packages properly
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# we need --force-depends because dpkg does not take Pre-Depends into
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# account and thus doesn't install them in the right order
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