preserve permissions of /etc/resolv.conf and /etc/hostname and resolve symlinks as debootstrap does it
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2 changed files with 135 additions and 15 deletions
120
coverage.sh
120
coverage.sh
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@ -118,9 +118,8 @@ if [ ! -e shared/hooks/eatmydata/customize.sh ] || [ hooks/eatmydata/customize.s
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cp -a /usr/share/mmdebstrap/hooks/eatmydata/customize.sh shared/hooks/eatmydata/
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fi
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fi
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starttime=
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total=165
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total=166
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skipped=0
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runtests=0
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i=1
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@ -2452,6 +2451,123 @@ else
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skipped=$((skipped+1))
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fi
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print_header "mode=$defaultmode,variant=custom: preserve mode of /etc/resolv.conf and /etc/hostname"
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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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if [ ! -e /mmdebstrap-testenv ]; then
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echo "this test modifies the system and should only be run inside a container" >&2
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exit 1
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fi
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for f in /etc/resolv.conf /etc/hostname; do
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# preserve original content
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cat "\$f" > "\$f.bak"
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# in case \$f is a symlink, we replace it by a real file
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if [ -L "\$f" ]; then
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rm "\$f"
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cp "\$f.bak" "\$f"
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fi
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chmod 644 "\$f"
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[ "\$(stat --format=%A "\$f")" = "-rw-r--r--" ]
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done
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$CMD --variant=custom --mode=$defaultmode $DEFAULT_DIST /tmp/debian-chroot $mirror
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for f in /etc/resolv.conf /etc/hostname; do
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[ "\$(stat --format=%A "/tmp/debian-chroot/\$f")" = "-rw-r--r--" ]
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done
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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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for f in /etc/resolv.conf /etc/hostname; do
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chmod 755 "\$f"
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[ "\$(stat --format=%A "\$f")" = "-rwxr-xr-x" ]
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done
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$CMD --variant=custom --mode=$defaultmode $DEFAULT_DIST /tmp/debian-chroot $mirror
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for f in /etc/resolv.conf /etc/hostname; do
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[ "\$(stat --format=%A "/tmp/debian-chroot/\$f")" = "-rwxr-xr-x" ]
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done
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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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for f in /etc/resolv.conf /etc/hostname; do
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rm "\$f"
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ln -s "\$f.bak" "\$f"
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[ "\$(stat --format=%A "\$f")" = "lrwxrwxrwx" ]
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done
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$CMD --variant=custom --mode=$defaultmode $DEFAULT_DIST /tmp/debian-chroot $mirror
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for f in /etc/resolv.conf /etc/hostname; do
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[ "\$(stat --format=%A "/tmp/debian-chroot/\$f")" = "-rw-r--r--" ]
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done
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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=$((runtests+1))
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else
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echo "HAVE_QEMU != yes -- Skipping test..." >&2
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skipped=$((skipped+1))
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fi
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exit 0
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print_header "mode=$defaultmode,variant=essential: test not having to install apt in --include because a hook did it before"
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cat << END > shared/test.sh
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#!/bin/sh
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30
mmdebstrap
30
mmdebstrap
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@ -1662,19 +1662,23 @@ sub run_setup() {
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}
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# allow network access from within
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if (-e "/etc/resolv.conf") {
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copy("/etc/resolv.conf", "$options->{root}/etc/resolv.conf")
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or error "cannot copy /etc/resolv.conf: $!";
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} else {
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warning("Host system does not have a /etc/resolv.conf to copy into the"
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. " rootfs.");
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}
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if (-e "/etc/hostname") {
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copy("/etc/hostname", "$options->{root}/etc/hostname")
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or error "cannot copy /etc/hostname: $!";
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} else {
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warning("Host system does not have a /etc/hostname to copy into the"
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. " rootfs.");
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foreach my $file ("/etc/resolv.conf", "/etc/hostname") {
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if (-e $file) {
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# this will create a new file with 644 permissions and copy
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# contents only even if $file was a symlink
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copy($file, "$options->{root}/$file")
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or error "cannot copy $file: $!";
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# if the source was a regular file, preserve the permissions
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if (-f $file) {
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my $mode = (stat($file))[2];
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$mode &= oct(7777); # mask off bits that aren't the mode
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chmod $mode, "$options->{root}/$file"
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or error "cannot chmod $file: $!";
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}
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} else {
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warning("Host system does not have a $file to copy into the"
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. " rootfs.");
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}
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}
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if ($options->{havemknod}) {
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