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mmdebstrap
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don't use default mirror if no mirror was specified but data was given on standard input

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Johannes 'josch' Schauer 6 years ago
parent d25e939363
commit c073d0b446
Signed by: josch
GPG Key ID: F2CBA5C78FBD83E1
1 changed files with 79 additions and 45 deletions
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124
mmdebstrap
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@ -667,38 +667,10 @@ sub setup {
chmod 0644, "$options->{root}/etc/fstab" or die "cannot chmod fstab: $!";
}
# write /etc/apt/sources.list
{
my $archopt = '';
if (scalar @{$options->{foreignarchs}} > 0) {
$archopt = " [arch=$options->{nativearch}]";
}
open my $fh, '>', "$options->{root}/etc/apt/sources.list" or die "cannot open /etc/apt/sources.list: $!";
if (scalar(@{$options->{mirrors}}) > 0) {
if((grep /^-$/, @{$options->{mirrors}}) > 1 ) {
die "can only read from stdin once";
}
for my $arg (@{$options->{mirrors}}) {
if ($arg eq '-') {
# read from stdin
print STDERR "I: Reading sources.list from standard input...\n";
copy *STDIN, $fh or die "cannot copy stdin: $!";
} elsif ($arg =~ /^deb(-src)? /) {
print $fh "$arg\n";
} elsif ($arg =~ /:\/\//) {
print $fh "deb$archopt $arg $options->{suite} $options->{components}\n";
} elsif (-f $arg) {
copy($arg, $fh) or die "cannot copy $arg: $!";
} else {
die "invalid mirror: $arg";
}
}
} else {
print $fh "deb$archopt http://deb.debian.org/debian $options->{suite} $options->{components}\n";
if (any { $_ eq $options->{suite} } ('stable', 'oldstable', 'stretch') ) {
print $fh "deb$archopt http://deb.debian.org/debian $options->{suite}-updates $options->{components}\n";
print $fh "deb$archopt http://security.debian.org/debian-security $options->{suite}/updates $options->{components}\n";
}
}
print $fh $options->{sourceslist};
close $fh;
}
@ -1308,19 +1280,77 @@ sub main() {
}
}
if (scalar @ARGV > 0) {
$options->{suite} = shift @ARGV;
{
my $suite;
if (scalar @ARGV > 0) {
$options->{target} = shift @ARGV;
$suite = shift @ARGV;
if (scalar @ARGV > 0) {
$options->{target} = shift @ARGV;
} else {
$options->{target} = '-';
}
} else {
print STDERR "I: No SUITE specified, expecting sources.list on standard input\n";
$options->{target} = '-';
}
$options->{mirrors} = [@ARGV];
} else {
print STDERR "I: No SUITE specified, expecting sources.list on standard input\n";
$options->{suite} = 'UNDEFINED';
$options->{target} = '-';
$options->{mirrors} = ['-'];
my $sourceslist = '';
my $stdindata = '';
# make sure that we only attempt to read from STDIN if it's *not*
# connected to the terminal (because we don't expect the user to type
# the sources.list file
if (! -t STDIN) {
print STDERR "I: Reading sources.list from standard input...\n";
$stdindata = do { local $/; <STDIN> };
}
if (! defined $suite) {
# If no suite was specified, then the whole sources.list has to
# come from standard input
$sourceslist .= $stdindata;
} else {
my $archopt = '';
if (scalar @{$options->{foreignarchs}} > 0) {
$archopt = " [arch=$options->{nativearch}]";
}
if (scalar @ARGV > 0) {
for my $arg (@ARGV) {
if ($arg eq '-') {
$sourceslist .= $stdindata;
} elsif ($arg =~ /^deb(-src)? /) {
$sourceslist .= "$arg\n";
} elsif ($arg =~ /:\/\//) {
$sourceslist .= "deb$archopt $arg $suite $options->{components}\n";
} elsif (-f $arg) {
open my $fh, '<', $arg or die "cannot open $arg: $!";
while (my $line = <$fh>) {
$sourceslist .= $line;
}
close $fh;
} else {
die "invalid mirror: $arg";
}
}
# if there was no explicit '-' mirror listed and something was
# read on standard input, then just append it to the end
if (none { $_ eq '-' } @ARGV) {
# if nothing was read on standard input then nothing will
# be appended
$sourceslist .= $stdindata;
}
} elsif ($stdindata ne '') {
$sourceslist .= $stdindata;
} else {
$sourceslist .= "deb$archopt http://deb.debian.org/debian $suite $options->{components}\n";
if (any { $_ eq $suite } ('stable', 'oldstable', 'stretch') ) {
$sourceslist .= "deb$archopt http://deb.debian.org/debian $suite-updates $options->{components}\n";
$sourceslist .= "deb$archopt http://security.debian.org/debian-security $suite/updates $options->{components}\n";
}
}
}
if ($sourceslist eq '') {
die "empty apt sources.list";
}
$options->{sourceslist} = $sourceslist;
}
if ($options->{target} ne '-') {
@ -1656,7 +1686,9 @@ section B<DEBOOTSTRAP>). In contrast to debootstrap it uses apt to resolve
dependencies and is thus able to use more than one mirror and resolve more
complex dependencies.
If no I<MIRROR> option is provided, http://deb.debian.org/debian is used. If
If no I<MIRROR> option is provided, http://deb.debian.org/debian is used,
except if data was given on standard input in which case the lines read from
there are used as the content of the chroot's sources.list file. If
I<SUITE> is a stable release name, then mirrors for updates and security are
automatically added. If a I<MIRROR> option starts with "deb " or "deb-src "
then it is used as a one-line-style format entry for apt's sources.list inside
@ -1665,11 +1697,13 @@ a mirror URI and the apt line inside the chroot is assembled as "deb [arch=A]
B C D" where A is the host's native architecture, B is the I<MIRROR>, C is the
given I<SUITE> and D is the components given via --components (defaults to
"main"). If a I<MIRROR> option happens to be an existing file, then its
contents are pasted into the chroot's sources.list. This can be used to supply
a deb822 style sources.list. If I<MIRROR> is C<-> then standard input is
pasted into the chroot's sources.list. More than one mirror can be specified
and are appended to the chroot's sources.list in the given order. If any
mirror contains a https URI, then the packages apt-transport-https and
contents are pasted into the chroot's sources.list. This can be used to
supply a deb822 style sources.list. If I<MIRROR> is C<-> then standard input
is pasted into the chroot's sources.list. If there was data on standard input
but no C<-> mirror was listed, the lines read from standard input will be
appended to the end of the chroot's sources.list. More than one mirror can be
specified and are appended to the chroot's sources.list in the given order. If
any mirror contains a https URI, then the packages apt-transport-https and
ca-certificates will be installed inside the chroot.
The I<TARGET> argument can either be a directory or a tarball filename. If

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