forked from josch/mmdebstrap
add --dry-run and --simulate
This commit is contained in:
parent
9441184bf1
commit
2cb6438454
GPG key ID:
F2CBA5C78FBD83E1
2 changed files with 299 additions and 102 deletions
97
coverage.sh
97
coverage.sh
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@ -66,7 +66,7 @@ if [ ! -e shared/mmdebstrap ] || [ mmdebstrap -nt shared/mmdebstrap ]; then
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fi
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starttime=
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total=115
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total=136
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skipped=0
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runtests=0
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i=1
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@ -1792,10 +1792,103 @@ else
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runtests=$((runtests+1))
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fi
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print_header "mode=$defaultmode,variant=apt: create directory --dry-run"
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cat << END > shared/test.sh
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#!/bin/sh
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set -eu
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export LC_ALL=C.UTF-8
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$CMD --mode=$defaultmode --dry-run --variant=apt --setup-hook="exit 1" --essential-hook="exit 1" --customize-hook="exit 1" $DEFAULT_DIST /tmp/debian-chroot $mirror
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rm /tmp/debian-chroot/dev/console
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rm /tmp/debian-chroot/dev/fd
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rm /tmp/debian-chroot/dev/full
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rm /tmp/debian-chroot/dev/null
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rm /tmp/debian-chroot/dev/ptmx
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rm /tmp/debian-chroot/dev/random
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rm /tmp/debian-chroot/dev/stderr
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rm /tmp/debian-chroot/dev/stdin
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rm /tmp/debian-chroot/dev/stdout
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rm /tmp/debian-chroot/dev/tty
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rm /tmp/debian-chroot/dev/urandom
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rm /tmp/debian-chroot/dev/zero
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rm /tmp/debian-chroot/etc/apt/sources.list
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rm /tmp/debian-chroot/etc/fstab
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rm /tmp/debian-chroot/etc/hostname
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rm /tmp/debian-chroot/etc/resolv.conf
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rm /tmp/debian-chroot/var/lib/apt/lists/lock
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rm /tmp/debian-chroot/var/lib/dpkg/available
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rm /tmp/debian-chroot/var/lib/dpkg/cmethopt
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rm /tmp/debian-chroot/var/lib/dpkg/status
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# the rest should be empty directories that we can rmdir recursively
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find /tmp/debian-chroot -depth -print0 | xargs -0 rmdir
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END
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if [ "$HAVE_QEMU" = "yes" ]; then
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./run_qemu.sh
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runtests=$((runtests+1))
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elif [ "$defaultmode" = "root" ]; then
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./run_null.sh SUDO
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runtests=$((runtests+1))
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else
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./run_null.sh
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runtests=$((runtests+1))
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fi
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# test all --dry-run variants
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for variant in extract custom essential apt; do
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for mode in root unshare fakechroot proot chrootless; do
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print_header "mode=$mode,variant=$variant: create tarball --dry-run"
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if [ "$mode" = "unshare" ] && [ "$HAVE_UNSHARE" != "yes" ]; then
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echo "HAVE_UNSHARE != yes -- Skipping test..." >&2
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skipped=$((skipped+1))
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continue
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fi
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if [ "$mode" = "proot" ] && [ "$HAVE_PROOT" != "yes" ]; then
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echo "HAVE_PROOT != yes -- Skipping test..." >&2
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skipped=$((skipped+1))
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continue
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fi
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cat << END > shared/test.sh
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#!/bin/sh
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set -eu
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export LC_ALL=C.UTF-8
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prefix=
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include=
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if [ "\$(id -u)" -eq 0 ] && [ "$mode" != root ]; then
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# this must be qemu
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if ! id -u user >/dev/null 2>&1; then
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adduser --gecos user --disabled-password user
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fi
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if [ "$mode" = unshare ]; then
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sysctl -w kernel.unprivileged_userns_clone=1
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fi
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prefix="runuser -u user --"
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if [ "$mode" = extract ] || [ "$mode" = custom ]; then
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include="--include=\$(cat pkglist.txt | tr '\n' ',')"
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fi
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fi
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\$prefix $CMD --mode=$mode \$include --dry-run --variant=$variant $DEFAULT_DIST /tmp/debian-chroot.tar $mirror
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if [ -e /tmp/debian-chroot.tar ]; then
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echo "/tmp/debian-chroot.tar must not be created with --dry-run" >&2
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exit 1
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fi
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END
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if [ "$HAVE_QEMU" = "yes" ]; then
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./run_qemu.sh
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runtests=$((runtests+1))
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elif [ "$mode" = "root" ]; then
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./run_null.sh SUDO
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runtests=$((runtests+1))
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else
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./run_null.sh
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runtests=$((runtests+1))
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fi
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done
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done
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# test all variants
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for variant in essential apt required minbase buildd important debootstrap - standard; do
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print_header "mode=root,variant=$variant: create directory"
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print_header "mode=root,variant=$variant: create tarball"
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cat << END > shared/test.sh
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#!/bin/sh
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set -eu
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156
mmdebstrap
156
mmdebstrap
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@ -1071,6 +1071,11 @@ sub run_hooks {
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return;
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}
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if ($options->{dryrun}) {
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info "not running ${name}-hooks because of --dry-run";
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return;
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}
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my $runner = sub {
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foreach my $script (@{ $options->{"${name}_hook"} }) {
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if ($script
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@ -1520,11 +1525,18 @@ sub setup {
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# (essential variant) then we have to compute the package set ourselves.
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# Same if we want to install priority based variants.
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if (any { $_ eq $options->{variant} } ('extract', 'custom')) {
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if ($options->{dryrun}) {
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info "simulate downloading packages with apt...";
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} else {
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info "downloading packages with apt...";
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}
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run_apt_progress({
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ARGV => [
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'apt-get', '--yes',
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'-oApt::Get::Download-Only=true', 'install'
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'apt-get',
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'--yes',
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'-oApt::Get::Download-Only=true',
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$options->{dryrun} ? '-oAPT::Get::Simulate=true' : (),
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'install'
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],
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PKGS => [@pkgs_to_install],
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});
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@ -1542,11 +1554,18 @@ sub setup {
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# remind me in 5+ years that I said that after I wrote
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# in the bugreport: "Are you crazy?!? Nobody in his
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# right mind would even suggest depending on it!")
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if ($options->{dryrun}) {
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info "simulate downloading packages with apt...";
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} else {
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info "downloading packages with apt...";
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}
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run_apt_progress({
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ARGV => [
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'apt-get', '--yes',
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'-oApt::Get::Download-Only=true', 'dist-upgrade'
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'apt-get',
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'--yes',
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'-oApt::Get::Download-Only=true',
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$options->{dryrun} ? '-oAPT::Get::Simulate=true' : (),
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'dist-upgrade'
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],
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});
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} elsif (
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@ -1648,11 +1667,18 @@ sub setup {
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debug " $pkg";
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}
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if ($options->{dryrun}) {
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info "simulate downloading packages with apt...";
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} else {
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info "downloading packages with apt...";
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}
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run_apt_progress({
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ARGV => [
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'apt-get', '--yes',
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'-oApt::Get::Download-Only=true', 'install'
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'apt-get',
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'--yes',
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'-oApt::Get::Download-Only=true',
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$options->{dryrun} ? '-oAPT::Get::Simulate=true' : (),
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'install'
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],
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PKGS => [keys %ess_pkgs],
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});
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@ -1660,9 +1686,9 @@ sub setup {
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error "unknown variant: $options->{variant}";
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}
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# extract the downloaded packages
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# collect the .deb files that were downloaded by apt
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my @essential_pkgs;
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{
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if (!$options->{dryrun}) {
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my $apt_archives = "/var/cache/apt/archives/";
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opendir my $dh, "$options->{root}/$apt_archives"
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or error "cannot read $apt_archives";
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@ -1677,7 +1703,6 @@ sub setup {
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push @essential_pkgs, $deb;
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}
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close $dh;
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}
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if (scalar @essential_pkgs == 0) {
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# check if a file:// URI was used
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@ -1686,12 +1711,13 @@ sub setup {
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or error "cannot start apt-get indextargets: $!";
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while (my $uri = <$pipe_apt>) {
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if ($uri =~ /^file:\/\//) {
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error
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"nothing got downloaded -- use copy:// instead of file://";
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error "nothing got downloaded -- use copy:// instead of"
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. " file://";
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}
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}
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error "nothing got downloaded";
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}
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}
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# We have to extract the packages from @essential_pkgs either if we run in
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# chrootless mode and extract variant or in any other mode.
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@ -1700,6 +1726,8 @@ sub setup {
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if ( $options->{mode} eq 'chrootless'
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and $options->{variant} ne 'extract') {
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# nothing to do
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} elsif ($options->{dryrun}) {
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info "skip extracting packages because of --dry-run";
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} else {
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info "extracting archives...";
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print_progress 0.0;
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@ -1736,7 +1764,11 @@ sub setup {
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}
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if ($options->{mode} eq 'chrootless') {
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if ($options->{dryrun}) {
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info "simulate installing packages...";
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} else {
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info "installing packages...";
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}
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# FIXME: the dpkg config from the host is parsed before the command
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# line arguments are parsed and might break this mode
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# Example: if the host has --path-exclude set, then this will also
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@ -1745,7 +1777,8 @@ sub setup {
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'-oDPkg::Options::=--force-not-root',
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'-oDPkg::Options::=--force-script-chrootless',
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'-oDPkg::Options::=--root=' . $options->{root},
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'-oDPkg::Options::=--log=' . "$options->{root}/var/log/dpkg.log"
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'-oDPkg::Options::=--log=' . "$options->{root}/var/log/dpkg.log",
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$options->{dryrun} ? '-oAPT::Get::Simulate=true' : (),
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);
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if (defined $options->{qemu}) {
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# The binfmt support on the outside is used, so qemu needs to know
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@ -2002,6 +2035,9 @@ sub setup {
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# we need --force-depends because dpkg does not take Pre-Depends
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# into account and thus doesn't install them in the right order
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# And the --predep-package option is broken: #539133
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if ($options->{dryrun}) {
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info "simulate installing packages...";
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} else {
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info "installing packages...";
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run_chroot(
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sub {
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@ -2016,10 +2052,12 @@ sub setup {
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},
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$options
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);
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}
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# if the path-excluded option was added to the dpkg config,
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# reinstall all packages
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if (-e "$options->{root}/etc/dpkg/dpkg.cfg.d/99mmdebstrap") {
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if ((!$options->{dryrun})
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and -e "$options->{root}/etc/dpkg/dpkg.cfg.d/99mmdebstrap") {
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open(my $fh, '<',
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"$options->{root}/etc/dpkg/dpkg.cfg.d/99mmdebstrap")
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or error "cannot open /etc/dpkg/dpkg.cfg.d/99mmdebstrap: $!";
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@ -2096,15 +2134,29 @@ sub setup {
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$? == 0 or error "apt-get indextargets failed";
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if (scalar @pkgs_to_install_from_outside > 0) {
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if ($options->{dryrun}) {
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info 'simulate downloading '
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. (join ', ', @pkgs_to_install_from_outside) . "...";
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} else {
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info 'downloading '
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. (join ', ', @pkgs_to_install_from_outside) . "...";
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}
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run_apt_progress({
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ARGV => [
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'apt-get', '--yes',
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'-oApt::Get::Download-Only=true', 'install'
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'apt-get',
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'--yes',
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'-oApt::Get::Download-Only=true',
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$options->{dryrun}
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? '-oAPT::Get::Simulate=true'
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: (),
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'install'
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],
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PKGS => [@pkgs_to_install_from_outside],
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});
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if ($options->{dryrun}) {
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info 'simulate installing '
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. (join ', ', @pkgs_to_install_from_outside) . "...";
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} else {
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my @debs_to_install;
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my $apt_archives = "/var/cache/apt/archives/";
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opendir my $dh, "$options->{root}/$apt_archives"
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@ -2121,14 +2173,16 @@ sub setup {
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}
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close $dh;
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if (scalar @debs_to_install == 0) {
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warning "nothing got downloaded -- maybe the packages"
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warning
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"nothing got downloaded -- maybe the packages"
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. " were already installed?";
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} else {
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# we need --force-depends because dpkg does not take
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# Pre-Depends into account and thus doesn't install
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# them in the right order
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info 'installing '
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. (join ', ', @pkgs_to_install_from_outside) . "...";
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. (join ', ', @pkgs_to_install_from_outside)
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. "...";
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run_dpkg_progress({
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ARGV => [
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@chrootcmd, 'env',
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@ -2143,16 +2197,21 @@ sub setup {
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}
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}
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}
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}
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if (!$options->{dryrun}) {
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run_chroot(
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sub {
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info
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"installing remaining packages inside the chroot...";
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info "installing remaining packages inside the"
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. " chroot...";
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run_apt_progress({
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ARGV => [
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@chrootcmd, 'env',
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'--unset=APT_CONFIG', '--unset=TMPDIR',
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'apt-get', '--yes',
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@chrootcmd,
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'env',
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'--unset=APT_CONFIG',
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'--unset=TMPDIR',
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'apt-get',
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'--yes',
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'install'
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],
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PKGS => [@pkgs_to_install],
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@ -2160,7 +2219,17 @@ sub setup {
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},
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$options
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);
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} else {
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info "simulate installing remaining packages inside the"
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. " chroot...";
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run_apt_progress({
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ARGV => [
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'apt-get', '--yes',
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'-oAPT::Get::Simulate=true', 'install'
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],
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PKGS => [@pkgs_to_install],
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});
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}
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}
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} else {
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error "unknown variant: $options->{variant}";
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@ -2536,6 +2605,7 @@ sub main() {
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setup_hook => [],
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essential_hook => [],
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customize_hook => [],
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dryrun => 0,
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};
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my $logfile = undef;
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Getopt::Long::Configure('default', 'bundling', 'auto_abbrev',
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@ -2589,6 +2659,8 @@ sub main() {
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'setup-hook=s@' => \$options->{setup_hook},
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'essential-hook=s@' => \$options->{essential_hook},
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'customize-hook=s@' => \$options->{customize_hook},
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'simulate' => \$options->{dryrun},
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'dry-run' => \$options->{dryrun},
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) or pod2usage(-exitval => 2, -verbose => 1);
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if (defined($logfile)) {
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@ -2600,6 +2672,14 @@ sub main() {
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. " with some debootstrap wrappers.";
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}
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if ($options->{dryrun}) {
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foreach my $hook ('setup', 'essential', 'customize') {
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if (scalar @{ $options->{"${hook}_hook"} } > 0) {
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warning "In dry-run mode, --$hook-hook options have no effect";
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}
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}
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}
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my @valid_variants = (
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'extract', 'custom', 'essential', 'apt',
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'required', 'minbase', 'buildd', 'important',
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@ -3249,10 +3329,17 @@ sub main() {
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# try to fail early if target tarball or squashfs image cannot be
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# opened for writing
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if ($options->{target} ne '-') {
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if ($options->{dryrun}) {
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if (-e $options->{target}) {
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info "not overwriting $options->{target} because in"
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. " dry-run mode";
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}
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} else {
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open my $fh, '>', $options->{target}
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or error "cannot open $options->{target} for writing: $!";
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close $fh;
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}
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}
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# since the output is a tarball, we create the rootfs in a temporary
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# directory
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$options->{root}
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@ -3493,7 +3580,9 @@ sub main() {
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close $childsock;
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if ($options->{maketar} or $options->{makesqfs}) {
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if ($options->{dryrun}) {
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info "simulate creating tarball...";
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} elsif ($options->{maketar} or $options->{makesqfs}) {
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info "creating tarball...";
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# redirect tar output to the writing end of the pipe so that
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@ -3914,7 +4003,9 @@ sub main() {
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close $parentsock;
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if ($options->{maketar} or $options->{makesqfs}) {
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if ($options->{dryrun}) {
|
||||
# nothing to do
|
||||
} elsif ($options->{maketar} or $options->{makesqfs}) {
|
||||
# we use eval() so that error() doesn't take this process down and
|
||||
# thus leaves the setup() process without a parent
|
||||
eval {
|
||||
|
|
@ -3927,7 +4018,8 @@ sub main() {
|
|||
my @argv = ();
|
||||
if ($options->{makesqfs}) {
|
||||
push @argv, 'tar2sqfs',
|
||||
'--quiet', '--no-skip', '--force', '--exportable',
|
||||
'--quiet', '--no-skip', '--force',
|
||||
'--exportable',
|
||||
'--compressor', 'xz',
|
||||
'--block-size', '1048576',
|
||||
$options->{target};
|
||||
|
|
@ -4299,8 +4391,20 @@ equivalent:
|
|||
--architectures=amd64,armhf,mipsel
|
||||
--arch=amd64 --arch="armhf mipsel" --arch=armhf,mipsel
|
||||
|
||||
=item B<--simulate>, B<--dry-run>
|
||||
|
||||
Run apt-get with B<--simulate>. Only the package cache is initialized but no
|
||||
binary packages are downloaded or installed. Use this option to quickly check
|
||||
whether a package selection within a certain suite and variant can in principle
|
||||
be installed as far as their dependencies go. If the output is a tarball, then
|
||||
no output is produced. If the output is a directory, then the directory will be
|
||||
left populated with the skeleton files and directories necessary for apt to run
|
||||
in it.
|
||||
|
||||
=begin comment
|
||||
|
||||
No hooks are executed in with B<--simulate> or B<--dry-run>.
|
||||
|
||||
=item B<--setup-hook>=I<command>
|
||||
|
||||
Execute arbitrary I<command>s right after initial setup (directory creation,
|
||||
|
|
|
|||
Loading…
Reference in a new issue