CHANGELOG.md

@@ -1,8 +1,3 @@
-1.3.7 (2023-06-21)
-------------------
-
- - add hooks/copy-host-apt-sources-and-preferences
-
 1.3.6 (2023-06-16)
 ------------------
 

coverage.sh

@@ -45,11 +45,10 @@ rm -f shared/cover_db.img
 
 if [ "$HAVE_QEMU" = "yes" ]; then
 	# prepare image for cover_db
-	fallocate -l 64M shared/cover_db.img
-	/usr/sbin/mkfs.vfat shared/cover_db.img
+	guestfish -N shared/cover_db.img=disk:64M -- mkfs vfat /dev/sda
 
-	if [ ! -e "./shared/cache/debian-$DEFAULT_DIST.ext4" ]; then
-		echo "./shared/cache/debian-$DEFAULT_DIST.ext4 does not exist" >&2
+	if [ ! -e "./shared/cache/debian-$DEFAULT_DIST.qcow" ]; then
+		echo "./shared/cache/debian-$DEFAULT_DIST.qcow does not exist" >&2
 		exit 1
 	fi
 fi

hooks/copy-host-apt-sources-and-preferences/customize00.pl

@@ -1,44 +0,0 @@
-#!/usr/bin/perl
-#
-# This script makes sure that all packages that are installed both locally as
-# well as inside the chroot have the same version.
-#
-# It is implemented in Perl because there are no associative arrays in POSIX
-# shell.
-
-use strict;
-use warnings;
-
-sub get_pkgs {
-    my $root = shift;
-    my %pkgs = ();
-    open(my $fh, '-|', 'dpkg-query', "--root=$root", '--showformat',
-        '${binary:Package}=${Version}\n', '--show')
-      // die "cannot exec dpkg-query";
-    while (my $line = <$fh>) {
-        my ($pkg, $ver) = split(/=/, $line, 2);
-        $pkgs{$pkg} = $ver;
-    }
-    close $fh;
-    if ($? != 0) { die "failed to run dpkg-query" }
-    return %pkgs;
-}
-
-my %pkgs_local  = get_pkgs('/');
-my %pkgs_chroot = get_pkgs($ARGV[0]);
-
-my @diff = ();
-foreach my $pkg (keys %pkgs_chroot) {
-    next unless exists $pkgs_local{$pkg};
-    if ($pkgs_local{$pkg} ne $pkgs_chroot{$pkg}) {
-        push @diff, $pkg;
-    }
-}
-
-if (scalar @diff > 0) {
-    print STDERR "E: packages from the host and the chroot differ:\n";
-    foreach my $pkg (@diff) {
-	print STDERR "E: $pkg $pkgs_local{$pkg} $pkgs_chroot{$pkg}\n";
-    }
-    exit 1;
-}

hooks/copy-host-apt-sources-and-preferences/setup00.sh

@@ -1,43 +0,0 @@
-#!/bin/sh
-
-set -eu
-
-if [ "${MMDEBSTRAP_VERBOSITY:-1}" -ge 3 ]; then
-	set -x
-fi
-
-if [ -n "${MMDEBSTRAP_SUITE:-}" ]; then
-	if [ "${MMDEBSTRAP_VERBOSITY:-1}" -ge 1 ]; then
-		echo "W: using a non-empty suite name $MMDEBSTRAP_SUITE does not make sense with this hook and might select the wrong Essential:yes package set" >&2
-	fi
-fi
-
-rootdir="$1"
-
-SOURCELIST="/etc/apt/sources.list"
-eval "$(apt-config shell SOURCELIST Dir::Etc::SourceList/f)"
-SOURCEPARTS="/etc/apt/sources.d/"
-eval "$(apt-config shell SOURCEPARTS Dir::Etc::SourceParts/d)"
-PREFERENCES="/etc/apt/preferences"
-eval "$(apt-config shell PREFERENCES Dir::Etc::Preferences/f)"
-PREFERENCESPARTS="/etc/apt/preferences.d/"
-eval "$(apt-config shell PREFERENCESPARTS Dir::Etc::PreferencesParts/d)"
-
-for f in "$SOURCELIST" \
-	"$SOURCEPARTS"/*.list \
-	"$SOURCEPARTS"/*.sources \
-	"$PREFERENCES" \
-	"$PREFERENCESPARTS"/*; do
-	[ -e "$f" ] || continue
-	if [ -e "$rootdir/$f" ]; then
-		if [ "${MMDEBSTRAP_VERBOSITY:-1}" -ge 2 ]; then
-			echo "I: $f already exists in chroot, appending..." >&2
-		fi
-		echo >> "$rootdir/$f"
-	fi
-	cat "$f" >> "$rootdir/$f"
-	if [ "${MMDEBSTRAP_VERBOSITY:-1}" -ge 3 ]; then
-		echo "D: contents of $f inside the chroot:" >&2
-		cat "$rootdir/$f" >&2
-	fi
-done

make_mirror.sh

@@ -65,7 +65,7 @@ deletecache() {
 			;;
 		esac
 	done
-	for f in "$dir/debian-"*.ext4; do
+	for f in "$dir/debian-"*.qcow; do
 		if [ -e "$f" ]; then
 			rm --one-file-system "$f"
 		fi
@@ -401,7 +401,10 @@ cleanuptmpdir() {
 	if [ ! -e "$tmpdir" ]; then
 		return
 	fi
-	for f in "$tmpdir/worker.sh" "$tmpdir/mmdebstrap.service"; do
+	for f in "$tmpdir/worker.sh" \
+		"$tmpdir/mini-httpd" "$tmpdir/hosts" \
+		"$tmpdir/debian-chroot.tar" \
+		"$tmpdir/mmdebstrap.service"; do
 		if [ ! -e "$f" ]; then
 			echo "does not exist: $f" >&2
 			continue
@@ -415,6 +418,17 @@ SOURCE_DATE_EPOCH="$(date --date="$(grep-dctrl -s Date -n '' "$newmirrordir/dist
 export SOURCE_DATE_EPOCH
 
 if [ "$HAVE_QEMU" = "yes" ]; then
+	case "$HOSTARCH" in
+		amd64|i386|arm64)
+			# okay
+			;;
+		*)
+			echo "qemu support is only available on amd64, i386 and arm64" >&2
+			echo "because grub is only available on those arches" >&2
+			exit 1
+			;;
+	esac
+
 	# we use the caching proxy again when building the qemu image
 	#  - we can re-use the packages that were already downloaded earlier
 	#  - we make sure that the qemu image uses the same Release file even
@@ -434,26 +448,49 @@ if [ "$HAVE_QEMU" = "yes" ]; then
 		exit 1
 	fi
 
+	# We must not use any --dpkgopt here because any dpkg options still
+	# leak into the chroot with chrootless mode.
+	# We do not use our own package cache here because
+	#   - it doesn't (and shouldn't) contain the extra packages
+	#   - it doesn't matter if the base system is from a different mirror timestamp
+	# procps is needed for /sbin/sysctl
 	tmpdir="$(mktemp -d)"
 	trap 'kill "$PROXYPID" || :;cleanuptmpdir; cleanup_newcachedir' EXIT INT TERM
 
-	pkgs=perl-doc,systemd-sysv,perl,arch-test,fakechroot,fakeroot,mount,uidmap,qemu-user-static,qemu-user,dpkg-dev,mini-httpd,libdevel-cover-perl,libtemplate-perl,debootstrap,procps,apt-cudf,aspcud,python3,libcap2-bin,gpg,debootstrap,distro-info-data,iproute2,ubuntu-keyring,apt-utils,disorderfs,squashfs-tools-ng,genext2fs,linux-image-generic
+	pkgs=perl-doc,systemd-sysv,perl,arch-test,fakechroot,fakeroot,mount,uidmap,qemu-user-static,binfmt-support,qemu-user,dpkg-dev,mini-httpd,libdevel-cover-perl,libtemplate-perl,debootstrap,procps,apt-cudf,aspcud,python3,libcap2-bin,gpg,debootstrap,distro-info-data,iproute2,ubuntu-keyring,apt-utils,grub-efi,disorderfs,squashfs-tools-ng,genext2fs
 	if [ ! -e ./mmdebstrap ]; then
 		pkgs="$pkgs,mmdebstrap"
 	fi
-	arches=$HOSTARCH
-	if [ "$RUN_MA_SAME_TESTS" = "yes" ]; then
-		case "$HOSTARCH" in
-			amd64)
-				arches=amd64,arm64
-				pkgs="$pkgs,libfakechroot:arm64,libfakeroot:arm64"
-				;;
-			arm64)
-				arches=arm64,amd64
-				pkgs="$pkgs,libfakechroot:amd64,libfakeroot:amd64"
-				;;
-		esac
+	case "$HOSTARCH" in
+		amd64|arm64)
+			pkgs="$pkgs,linux-image-$HOSTARCH"
+			;;
+		i386)
+			pkgs="$pkgs,linux-image-686"
+			;;
+		ppc64el)
+			pkgs="$pkgs,linux-image-powerpc64le"
+			;;
+		*)
+			echo "no kernel image for $HOSTARCH" >&2
+			exit 1
+			;;
+	esac
+	if [ "$HOSTARCH" = amd64 ] && [ "$RUN_MA_SAME_TESTS" = "yes" ]; then
+		arches=amd64,arm64
+		pkgs="$pkgs,libfakechroot:arm64,libfakeroot:arm64"
+	elif [ "$HOSTARCH" = arm64 ] && [ "$RUN_MA_SAME_TESTS" = "yes" ]; then
+		arches=arm64,amd64
+		pkgs="$pkgs,libfakechroot:amd64,libfakeroot:amd64"
+	else
+		arches=$HOSTARCH
 	fi
+	$CMD --variant=apt --architectures="$arches" --include="$pkgs" \
+		--setup-hook='echo "Acquire::http::Proxy \"http://127.0.0.1:8080/\";" > "$1/etc/apt/apt.conf.d/00proxy"' \
+		--customize-hook='rm "$1/etc/apt/apt.conf.d/00proxy"' \
+		"$DEFAULT_DIST" - "$mirror" > "$tmpdir/debian-chroot.tar"
+
+	kill $PROXYPID
 
 	cat << END > "$tmpdir/mmdebstrap.service"
 [Unit]
@@ -513,32 +550,85 @@ umount /mnt
 systemctl poweroff
 END
 	chmod +x "$tmpdir/worker.sh"
+	# initially we serve from the new cache so that debootstrap can grab
+	# the new package repository and not the old
+	cat << END > "$tmpdir/mini-httpd"
+START=1
+DAEMON_OPTS="-h 127.0.0.1 -p 80 -u nobody -dd /mnt/$newcache -i /var/run/mini-httpd.pid -T UTF-8"
+END
+	cat << 'END' > "$tmpdir/hosts"
+127.0.0.1 localhost
+END
+	#libguestfs-test-tool
+	#export LIBGUESTFS_DEBUG=1 LIBGUESTFS_TRACE=1
+	#
+	# In case the rootfs was prepared in fakechroot mode, ldconfig has to
+	# run to populate /etc/ld.so.cache or otherwise fakechroot tests will
+	# fail to run.
+	#
+	# The disk size is sufficient in most cases. Sometimes, gcc will do
+	# an upload with unstripped executables to make tracking down ICEs much
+	# easier (see #872672, #894014). During times with unstripped gcc, the
+	# buildd variant will not be 400MB but 1.3GB large and needs a 10G
+	# disk.
 	if [ -z ${DISK_SIZE+x} ]; then
 		DISK_SIZE=10G
 	fi
-	# set PATH to pick up the correct mmdebstrap variant
-	env PATH="$(dirname "$(realpath --canonicalize-existing "$CMD")"):$PATH" \
-		debvm-create --skip=usrmerge --size="$DISK_SIZE" \
-		--release="$DEFAULT_DIST" --skip=usrmerge \
-		--output="$newcachedir/debian-$DEFAULT_DIST.ext4" -- \
-		--architectures="$arches" --include="$pkgs" \
-		--setup-hook='echo "Acquire::http::Proxy \"http://127.0.0.1:8080/\";" > "$1/etc/apt/apt.conf.d/00proxy"' \
-		--hook-dir=/usr/share/mmdebstrap/hooks/maybe-merged-usr \
-		--customize-hook='rm "$1/etc/apt/apt.conf.d/00proxy"' \
-		--customize-hook='mkdir -p "$1/etc/systemd/system/multi-user.target.wants"' \
-		--customize-hook='ln -s ../mmdebstrap.service "$1/etc/systemd/system/multi-user.target.wants/mmdebstrap.service"' \
-		--customize-hook='touch "$1/mmdebstrap-testenv"' \
-		--customize-hook='copy-in "'"$tmpdir"'/mmdebstrap.service" /etc/systemd/system/' \
-		--customize-hook='copy-in "'"$tmpdir"'/worker.sh" /' \
-		--customize-hook='printf 127.0.0.1 localhost > "$1/etc/hosts"' \
-		--customize-hook='printf "START=1\nDAEMON_OPTS=\"-h 127.0.0.1 -p 80 -u nobody -dd /mnt/cache -i /var/run/mini-httpd.pid -T UTF-8\"\n" > "$1/etc/default/mini-httpd"' \
-		"$mirror"
-
-	kill $PROXYPID
+	case "$HOSTARCH" in
+		amd64) GRUB_TARGET=x86_64-efi;;
+		i386) GRUB_TARGET=i386-efi;;
+		arm64) GRUB_TARGET=arm64-efi;;
+	esac
+	case "$HOSTARCH" in
+		arm64) SERIAL="loglevel=3 console=tty0 console=ttyAMA0,115200n8" ;;
+		*) SERIAL="loglevel=3 console=tty0 console=ttyS0,115200n8" ;;
+	esac
+	guestfish -- \
+		disk-create "$newcachedir/debian-$DEFAULT_DIST.qcow" qcow2 "$DISK_SIZE" : \
+		add-drive "$newcachedir/debian-$DEFAULT_DIST.qcow" format:qcow2 : \
+		launch : \
+		part-init /dev/sda gpt : \
+		part-add /dev/sda primary 8192 262144 : \
+		part-add /dev/sda primary 262145 -34 : \
+		part-set-gpt-type /dev/sda 1 C12A7328-F81F-11D2-BA4B-00A0C93EC93B  : \
+		mkfs ext2 /dev/sda2 : \
+		mount /dev/sda2 / : \
+		tar-in "$tmpdir/debian-chroot.tar" / xattrs:true : \
+		mkdir-p /boot/efi : \
+		mkfs vfat /dev/sda1 : \
+		mount /dev/sda1 /boot/efi : \
+		command /sbin/ldconfig : \
+		mkdir-p /etc/systemd/system/multi-user.target.wants : \
+		ln-s ../mmdebstrap.service /etc/systemd/system/multi-user.target.wants/mmdebstrap.service : \
+		copy-in "$tmpdir/mmdebstrap.service" /etc/systemd/system/ : \
+		copy-in "$tmpdir/worker.sh" / : \
+		copy-in "$tmpdir/mini-httpd" /etc/default : \
+		copy-in "$tmpdir/hosts" /etc/ : \
+		touch /mmdebstrap-testenv : \
+		command "sh -c 'echo UUID=\$(blkid -c /dev/null -o value -s UUID /dev/sda2) / ext4 errors=remount-ro 0 1 > /etc/fstab'" : \
+		command "sh -c 'echo UUID=\$(blkid -c /dev/null -o value -s UUID /dev/sda1) /boot/efi vfat errors=remount-ro 0 2 >> /etc/fstab'" : \
+		command "sed -i 's/^GRUB_CMDLINE_LINUX_DEFAULT=/GRUB_CMDLINE_LINUX_DEFAULT=\"biosdevname=0 net.ifnames=0 consoleblank=0 rw $SERIAL\"/' /etc/default/grub" : \
+		command "update-initramfs -u" : \
+		command "grub-mkconfig -o /boot/grub/grub.cfg" : \
+		command "grub-install /dev/sda --target=$GRUB_TARGET --no-nvram --force-extra-removable --no-floppy --modules=part_gpt --grub-mkdevicemap=/boot/grub/device.map" : \
+		sync : \
+		umount /boot/efi : \
+		umount / : \
+		shutdown
 	cleanuptmpdir
 	trap "cleanup_newcachedir" EXIT INT TERM
 fi
 
+if [ "$HAVE_QEMU" = "yes" ]; then
+	# now replace the minihttpd config with one that serves the new repository
+	guestfish -a "$newcachedir/debian-$DEFAULT_DIST.qcow" -i <<EOF
+upload -<<END /etc/default/mini-httpd
+START=1
+DAEMON_OPTS="-h 127.0.0.1 -p 80 -u nobody -dd /mnt/cache -i /var/run/mini-httpd.pid -T UTF-8"
+END
+EOF
+fi
+
 # delete possibly leftover symlink
 if [ -e ./shared/cache.tmp ]; then
 	rm ./shared/cache.tmp

mmdebstrap

@@ -23,7 +23,7 @@
 use strict;
 use warnings;
 
-our $VERSION = '1.3.7';
+our $VERSION = '1.3.6';
 
 use English;
 use Getopt::Long;
@@ -1613,16 +1613,13 @@ sub run_hooks {
     if (length $ENV{APT_CONFIG}) {
         push @env_opts, "MMDEBSTRAP_APT_CONFIG=$ENV{APT_CONFIG}";
     }
-    # A hook script that wants to call mmdebstrap with --hook-helper needs to
+    # I hook script that wants to call mmdebstrap with --hook-helper needs to
     # know how mmdebstrap was executed
     push @env_opts, "MMDEBSTRAP_ARGV0=$PROGRAM_NAME";
     # Storing the mode is important for hook scripts to potentially change
     # their behavior depending on the mode. It's also important for when the
     # hook wants to use the mmdebstrap --hook-helper.
     push @env_opts, "MMDEBSTRAP_MODE=$options->{mode}";
-    if (defined $options->{suite}) {
-        push @env_opts, "MMDEBSTRAP_SUITE=$options->{suite}";
-    }
     # Storing the hook name is important for hook scripts to potentially change
     # their behavior depending on the hook. It's also important for when the
     # hook wants to use the mmdebstrap --hook-helper.
@@ -6988,7 +6985,7 @@ the numerical verbosity level (0 for no output, 1 for normal, 2 for verbose and
 3 for debug output). The C<MMDEBSTRAP_INCLUDE> variable stores the list of
 packages, apt patterns or file paths given by the B<--include> option,
 separated by a comma and with commas and percent signs in the option values
-urlencoded. If I<SUITE> name was supplied, it's stored in C<MMDEBSTRAP_SUITE>.
+urlencoded.
 
 In special hooks, the paths inside the chroot are relative to the root
 directory of the chroot.  The path on the outside is relative to current

mmdebstrap-autopkgtest-build-qemu

@@ -0,0 +1,255 @@
+#!/bin/sh
+#
+# © 2022 Johannes Schauer Marin Rodrigues <josch@mister-muffin.de>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# The software is provided "as is", without warranty of any kind, express or
+# implied, including but not limited to the warranties of merchantability,
+# fitness for a particular purpose and noninfringement. In no event shall the
+# authors or copyright holders be liable for any claim, damages or other
+# liability, whether in an action of contract, tort or otherwise, arising
+# from, out of or in connection with the software or the use or other dealings
+# in the software.
+
+set -eu
+
+# This script creates debian-$RELEASE.qcow2 in the current directory which can
+# then be used by the autopkgtest qemu backend.
+#
+# Thanks to Francesco Poli for providing ideas and testing this.
+#
+# Thanks to Lars Wirzenius of vmdb2 where the grub and efi magic comes from.
+#
+# Only the native architecture is supported because guestfish doesn't support
+# foreign architectures.
+
+usage() {
+	echo "Usage: $0 [--size=SIZE] [--boot=BOOT] RELEASE IMAGE" >&2
+	echo >&2
+	echo "RELEASE is a Debian release like unstable" >&2
+	echo "IMAGE will be stored in qcow2 format" >&2
+	echo "SIZE is 25G by default" >&2
+	echo "BOOT is either auto (the default), bios, efi or ieee1275" >&2
+}
+
+nativearch="$(dpkg --print-architecture)"
+
+SIZE="25G" # default from autopkgtest-build-qemu
+BOOT="auto"
+if [ "$#" -lt 2 ]; then
+	echo "Error: Insufficient number of arguments" >&2
+	usage
+	exit 1
+elif [ "$#" -eq 2 ]; then
+	RELEASE=$1
+	IMAGE=$2
+else
+	# parse options
+	OPTS=$(getopt -n "$0" -o h --long size:,boot:,architecture:,help -- "$@")
+	if [ "$?" -ne 0 ]; then
+		echo "Error: Cannot parse arguments" >&2
+		usage
+		exit 1
+	fi
+	eval set -- "$OPTS"
+	while true; do
+		case "$1" in
+			--size) SIZE="$2"; shift 2; continue;;
+			--boot) BOOT="$2"; shift 2; continue;;
+			--help) usage; exit 1;;
+			--architecture)
+				echo "Error: cannot (yet) create foreign architecture images" >&2
+				exit 1
+				;;
+			--) shift; break;;
+			*)
+				echo "Error: unknown option $1" >&2
+				usage
+				exit 1
+				;;
+		esac
+	done
+	RELEASE=$1
+	IMAGE=$2
+fi
+
+# By default with --boot=auto (the default), bios boot is chosen for
+# amd64 and i386. Compare /usr/share/autopkgtest/lib/autopkgtest_qemu.py
+# But in practice, amd64 and i386 also support efi boot. But then
+# autopkgtest-virt-qemu has to be run with --boot=efi
+case "$BOOT" in
+	auto)
+		case "$nativearch" in
+			amd64|i386) BOOT=bios;;
+			armhf|arm64) BOOT=efi;;
+			ppc64el) BOOT=ieee1275;;
+		esac
+		;;
+	bios)
+		case "$nativearch" in amd64|i386);;
+			*)
+				echo "bios booting only possible on amd64 and i386" >&2
+				exit 1
+				;;
+		esac
+		;;
+	efi)
+		case "$nativearch" in amd64|i386|armhf|arm64);;
+			*)
+				echo "efi booting only possible on amd64, i386, armhf and arm64" >&2
+				exit 1
+				;;
+		esac
+		;;
+	ieee1275)
+		if [ "$nativearch" != "ppc64el" ]; then
+			echo "ieee1275 booting only possible on ppc64el" >&2
+			exit 1
+		fi
+		;;
+	*)
+		echo "invalid value for --boot" >&2;;
+esac
+
+case "$nativearch" in
+	amd64)
+		[ $BOOT = bios ] || [ $BOOT = efi ]
+		if [ $BOOT = bios ]; then
+			include="linux-image-amd64 grub-pc"
+			grub_target="i386-pc"
+		elif [ $BOOT = efi ]; then
+			include="linux-image-amd64 grub-efi"
+			grub_target="x86_64-efi"
+		fi
+		;;
+	arm64)
+		[ $BOOT = efi ]
+		include="linux-image-arm64 grub-efi"
+		grub_target="arm64-efi"
+		;;
+	armhf)
+		[ $BOOT = efi ]
+		include="linux-image-armmp-lpae grub-efi"
+		grub_target="arm-efi"
+		;;
+	i386)
+		[ $BOOT = bios ] || [ $BOOT = efi ]
+		if [ $BOOT = bios ]; then
+			include="linux-image-686-pae grub-pc"
+			grub_target="i386-pc"
+		elif [ $BOOT = efi ]; then
+			include="linux-image-686-pae grub-efi"
+			grub_target="i386-efi"
+		fi
+		;;
+	ppc64el)
+		[ $BOOT = ieee1275 ]
+		include="linux-image-powerpc64le grub-ieee1275"
+		grub_target="powerpc-ieee1275"
+		;;
+	*)
+		echo "architecture $nativearch not yet supported" >&2
+		exit 1
+		;;
+esac
+
+case "$nativearch" in
+	arm64|armhf) serial="loglevel=3 console=tty0 console=ttyAMA0,115200n8" ;;
+	ppc64el) serial="loglevel=3 console=tty0 console=hvc0,115200n8" ;;
+	*) serial="loglevel=3 console=tty0 console=ttyS0,115200n8" ;;
+esac
+
+if ! command -v guestfish >/dev/null; then
+	echo "Error: requires guestfish being installed" >&2
+	exit 1
+fi
+
+if [ ! -e /usr/share/autopkgtest/setup-commands/setup-testbed ]; then
+	echo "Error: requires autopkgtest being installed" >&2
+	exit 1
+fi
+
+run_mmdebstrap() {
+	mmdebstrap --variant=important --include="$include" \
+	--customize-hook='chroot "$1" passwd --delete root' \
+	--customize-hook='chroot "$1" useradd --home-dir /home/user --create-home user' \
+	--customize-hook='chroot "$1" passwd --delete user' \
+	--customize-hook='echo host > "$1/etc/hostname"' \
+	--customize-hook='echo "127.0.0.1 localhost host" > "$1/etc/hosts"' \
+	--customize-hook='env AUTOPKGTEST_BUILD_QEMU=1 /usr/share/autopkgtest/setup-commands/setup-testbed "$1"' \
+	"$RELEASE" -
+}
+
+guestfish_bios() {
+	guestfish -- \
+	disk-create "$IMAGE" qcow2 "$SIZE" : \
+	add-drive "$IMAGE" format:qcow2 : \
+	launch : \
+	part-disk /dev/sda mbr : \
+	part-set-bootable /dev/sda 1 true : \
+	mkfs ext4 /dev/sda1 : mount /dev/sda1 / : \
+	tar-in - / xattrs:true : \
+	command "sh -c 'echo UUID=\$(blkid -c /dev/null -o value -s UUID /dev/sda1) / ext4 errors=remount-ro 0 1 > /etc/fstab'" : \
+	command "update-initramfs -u" : \
+	command "grub-mkconfig -o /boot/grub/grub.cfg" : \
+	command "grub-install /dev/sda --target=$grub_target --no-nvram --force-extra-removable --no-floppy --modules=part_gpt --grub-mkdevicemap=/boot/grub/device.map" : \
+	sync : umount / : shutdown
+}
+
+guestfish_efi() {
+	guestfish -- \
+	disk-create "$IMAGE" qcow2 "$SIZE" : \
+	add-drive "$IMAGE" format:qcow2 : \
+	launch : \
+	part-init /dev/sda gpt : \
+	part-add /dev/sda primary 8192 262144 : \
+	part-add /dev/sda primary 262145 -34 : \
+	part-set-gpt-type /dev/sda 1 C12A7328-F81F-11D2-BA4B-00A0C93EC93B  : \
+	mkfs ext4 /dev/sda2 : mount /dev/sda2 / : \
+	tar-in - / xattrs:true : \
+	mkdir-p /boot/efi : \
+	mkfs vfat /dev/sda1 : mount /dev/sda1 /boot/efi : \
+	command "sh -c 'echo UUID=\$(blkid -c /dev/null -o value -s UUID /dev/sda2) / ext4 errors=remount-ro 0 1 > /etc/fstab'" : \
+	command "sh -c 'echo UUID=\$(blkid -c /dev/null -o value -s UUID /dev/sda1) /boot/efi vfat errors=remount-ro 0 2 >> /etc/fstab'" : \
+	command "sed -i 's/^GRUB_CMDLINE_LINUX_DEFAULT=/GRUB_CMDLINE_LINUX_DEFAULT=\"biosdevname=0 net.ifnames=0 consoleblank=0 rw $serial\"/' /etc/default/grub" : \
+	command "update-initramfs -u" : \
+	command "grub-mkconfig -o /boot/grub/grub.cfg" : \
+	command "grub-install /dev/sda --target=$grub_target --no-nvram --force-extra-removable --no-floppy --modules=part_gpt --grub-mkdevicemap=/boot/grub/device.map" : \
+	sync : umount /boot/efi : umount / : shutdown
+}
+
+guestfish_ieee1275() {
+	guestfish -- \
+	disk-create "$IMAGE" qcow2 "$SIZE" : \
+	add-drive "$IMAGE" format:qcow2 : \
+	launch : \
+	part-init /dev/sda gpt : \
+	part-add /dev/sda primary 8192 20480 : \
+	part-add /dev/sda primary 20481 -34 : \
+	part-set-gpt-type /dev/sda 1 9E1A2D38-C612-4316-AA26-8B49521E5A8B : \
+	mkfs ext4 /dev/sda2 : mount /dev/sda2 / : \
+	tar-in - / xattrs:true : \
+	command "sh -c 'echo UUID=\$(blkid -c /dev/null -o value -s UUID /dev/sda2) / ext4 errors=remount-ro 0 1 > /etc/fstab'" : \
+	command "sed -i 's/^GRUB_CMDLINE_LINUX_DEFAULT=/GRUB_CMDLINE_LINUX_DEFAULT=\"biosdevname=0 net.ifnames=0 consoleblank=0 rw $serial\"/' /etc/default/grub" : \
+	command "update-initramfs -u" : \
+	command "grub-mkconfig -o /boot/grub/grub.cfg" : \
+	command "grub-install /dev/sda --target=$grub_target --no-nvram --force-extra-removable --no-floppy --modules=part_gpt --grub-mkdevicemap=/boot/grub/device.map" : \
+	sync : umount / : shutdown
+}
+
+case "$BOOT" in
+	bios) run_mmdebstrap | guestfish_bios;;
+	efi) run_mmdebstrap | guestfish_efi;;
+	ieee1275) run_mmdebstrap | guestfish_ieee1275;;
+esac
+
+echo "Success! The image is stored as $IMAGE" >&2

run_qemu.sh

@@ -8,6 +8,7 @@ tmpdir="$(mktemp -d)"
 
 cleanup() {
 	rv=$?
+	rm -f "$tmpdir/debian-$DEFAULT_DIST-overlay.qcow"
 	rm -f "$tmpdir/log"
 	[ -e "$tmpdir" ] && rmdir "$tmpdir"
 	if [ -n "${TAIL_PID:-}" ]; then
@@ -25,6 +26,26 @@ cleanup() {
 
 trap cleanup INT TERM EXIT
 
+ARCH=$(dpkg --print-architecture)
+case $ARCH in
+	i386)
+		MACHINE="accel=kvm:tcg"
+		CODE="/usr/share/OVMF/OVMF32_CODE_4M.secboot.fd"
+		QEMUARCH="i386"
+		;;
+	amd64)
+		MACHINE="accel=kvm:tcg"
+		CODE="/usr/share/OVMF/OVMF_CODE.fd"
+		QEMUARCH="x86_64"
+		;;
+	arm64)
+		MACHINE="type=virt,gic-version=host,accel=kvm"
+		CODE="/usr/share/AAVMF/AAVMF_CODE.fd"
+		QEMUARCH="aarch64"
+		;;
+	*) echo "qemu kvm not supported on $ARCH" >&2;;
+esac
+
 echo 1 > shared/exitstatus.txt
 if [ -e shared/output.txt ]; then
 	rm shared/output.txt
@@ -33,18 +54,27 @@ touch shared/output.txt
 tail -f shared/output.txt &
 TAIL_PID=$!
 
+# the path to debian-$DEFAULT_DIST.qcow must be absolute or otherwise qemu will
+# look for the path relative to debian-$DEFAULT_DIST-overlay.qcow
+qemu-img create -f qcow2 -b "$(realpath "$cachedir")/debian-$DEFAULT_DIST.qcow" -F qcow2 "$tmpdir/debian-$DEFAULT_DIST-overlay.qcow"
 # to connect to serial use:
 #   minicom -D 'unix#/tmp/ttyS0'
 #
 # or this (quit with ctrl+q):
 #   socat stdin,raw,echo=0,escape=0x11 unix-connect:/tmp/ttyS0
 ret=0
-timeout --foreground 40m debvm-run --image="$(realpath "$cachedir")/debian-$DEFAULT_DIST.ext4" -- \
-	-m 4G -snapshot \
+timeout --foreground 40m qemu-system-"$QEMUARCH" \
+	-cpu host \
+	-no-user-config \
+	-M "$MACHINE" -m 4G -nographic \
+	-object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0 \
 	-monitor unix:/tmp/monitor,server,nowait \
 	-serial unix:/tmp/ttyS0,server,nowait \
 	-serial unix:/tmp/ttyS1,server,nowait \
+	-net nic,model=virtio -net user \
+	-drive if=pflash,format=raw,unit=0,read-only=on,file="$CODE" \
 	-virtfs local,id=mmdebstrap,path="$(pwd)/shared",security_model=none,mount_tag=mmdebstrap \
+	-drive file="$tmpdir/debian-$DEFAULT_DIST-overlay.qcow",cache=unsafe,index=0,if=virtio \
 	>"$tmpdir/log" 2>&1 || ret=$?
 if [ "$ret" -ne 0 ]; then
 	cat "$tmpdir/log"