format shell scripts with shfmt --binary-next-line --case-indent --indent 2 --simplify

coverage.py

@@ -362,6 +362,21 @@ def main():
             check=False,
             stdout=subprocess.PIPE,
         ).stdout.decode()
+        shfmt = subprocess.run(
+            [
+                "shfmt",
+                "--posix",
+                "--binary-next-line",
+                "--case-indent",
+                "--indent",
+                "2",
+                "--simplify",
+                "-d",
+                "shared/test.sh",
+            ],
+            check=False,
+            stdout=subprocess.PIPE,
+        ).stdout.decode()
         argv = None
         match test:
             case "qemu":
@@ -411,9 +426,11 @@ def main():
         acc_time_per_test[name].append(walltime)
         print(separator, file=sys.stderr)
         print(f"duration: {walltime}", file=sys.stderr)
-        if proc.returncode != 0 or shellcheck != "":
+        if proc.returncode != 0 or shellcheck != "" or shfmt != "":
             if shellcheck != "":
                 print(shellcheck)
+            if shfmt != "":
+                print(shfmt)
             failed.append(formated_test_name)
             print("result: FAILURE", file=sys.stderr)
         else:

coverage.sh

@@ -8,7 +8,8 @@ set -eu
 
 case "$CMD" in
   "mmdebstrap "* | mmdebstrap | *" mmdebstrap" | *" mmdebstrap "*)
-		MMSCRIPT="$(command -v mmdebstrap 2>/dev/null)";;
+    MMSCRIPT="$(command -v mmdebstrap 2>/dev/null)"
+    ;;
   *) MMSCRIPT=./mmdebstrap ;;
 esac
 
@@ -41,6 +42,8 @@ done
 
 shellcheck --exclude=SC2016 coverage.sh make_mirror.sh run_null.sh run_qemu.sh gpgvnoexpkeysig mmdebstrap-autopkgtest-build-qemu hooks/*/*.sh
 
+shfmt --binary-next-line --case-indent --indent 2 --simplify -d coverage.sh make_mirror.sh run_null.sh run_qemu.sh mmdebstrap-autopkgtest-build-qemu gpgvnoexpkeysig
+
 mirrordir="./shared/cache/debian"
 
 if [ ! -e "$mirrordir" ]; then
@@ -105,7 +108,7 @@ END
 fi
 
 # check if the wiki has to be updated with pod2markdown output
-if [ "${DEBEMAIL:-}" = "josch@debian.org" ]; then
+if [ "${DEBEMAIL-}" = "josch@debian.org" ]; then
   bash -exc "diff -u <(curl --silent https://gitlab.mister-muffin.de/josch/mmdebstrap/wiki/raw/Home | dos2unix; echo) <(pod2markdown < mmdebstrap)" || :
 fi
 

make_mirror.sh

@@ -322,8 +322,14 @@ if [ "$FORCE_UPDATE" != "yes" ] && [ -e "$oldmirrordir/dists/$DEFAULT_DIST/InRel
   http_code=$(curl --output /dev/null --silent --location --head --time-cond "$oldmirrordir/dists/$DEFAULT_DIST/InRelease" --write-out '%{http_code}' "$mirror/dists/$DEFAULT_DIST/InRelease")
   case "$http_code" in
     200) ;; # need update
-		304) echo up-to-date; exit 0;;
-		*) echo "unexpected status: $http_code"; exit 1;;
+    304)
+      echo up-to-date
+      exit 0
+      ;;
+    *)
+      echo "unexpected status: $http_code"
+      exit 1
+      ;;
   esac
 fi
 

mmdebstrap-autopkgtest-build-qemu

@@ -234,8 +234,8 @@ while test "$#" -gt 0; do
 done
 
 test -z "$RELEASE" -o -z "$IMAGE" && usage_error "missing positional arguments"
-test "$BOOT" = efi ||
-	die "this tool does not support boot modes other than efi"
+test "$BOOT" = efi \
+  || die "this tool does not support boot modes other than efi"
 
 case "$ARCHITECTURE" in
   amd64)
@@ -289,11 +289,11 @@ case $arches in
   *) die "enable $ARCHITECTURE by running: sudo dpkg --add-architecture $ARCHITECTURE && sudo apt update" ;;
 esac
 
-test "$(dpkg-query -f '${db:Status-Status}' -W "dpkg-dev")" = installed ||
-	die "please install dpkg-dev"
+test "$(dpkg-query -f '${db:Status-Status}' -W "dpkg-dev")" = installed \
+  || die "please install dpkg-dev"
 
-dpkg-checkbuilddeps -d "autopkgtest, dosfstools, e2fsprogs, fdisk, mount, mtools, passwd, uidmap, libarchive13, systemd-boot-efi:$ARCHITECTURE $BINUTILS" /dev/null ||
-	die "please install the required packages listed above"
+dpkg-checkbuilddeps -d "autopkgtest, dosfstools, e2fsprogs, fdisk, mount, mtools, passwd, uidmap, libarchive13, systemd-boot-efi:$ARCHITECTURE $BINUTILS" /dev/null \
+  || die "please install the required packages listed above"
 
 BOOTSTUB="/usr/lib/systemd/boot/efi/linux${EFIIMG#boot}.stub"
 
@@ -327,7 +327,8 @@ set -- \
   --architecture="$ARCHITECTURE"
 
 case $MIRROR in http://snapshot.debian.org/archive/* | https://snapshot.debian.org/archive/*)
-	set -- "$@" --aptopt='Acquire::Check-Valid-Until "false"';;
+  set -- "$@" --aptopt='Acquire::Check-Valid-Until "false"'
+  ;;
 esac
 
 EXT_FEATURES=
@@ -373,7 +374,7 @@ mmdebstrap "$@" | {
     set -- "$@" -O "$EXT_FEATURES"
   fi
   EXTOPTS="offset=$(((FAT_OFFSET_SECTORS + FAT_SIZE_SECTORS) * 512))"
-	if test -n "${SOURCE_DATE_EPOCH:-}"; then
+  if test -n "${SOURCE_DATE_EPOCH-}"; then
     uuid="$(uuidgen --sha1 --namespace="$(uuidgen --sha1 --namespace='@dns' --name mister-muffin.de)" --name "$SOURCE_DATE_EPOCH")"
     set -- "$@" -U "$uuid"
     EXTOPTS="$EXTOPTS,hash_seed=$uuid"
@@ -383,7 +384,6 @@ mmdebstrap "$@" | {
   /sbin/mke2fs "$@"
 }
 
-
 echo "root=LABEL=autopkgtestvm rw console=ttyS0" >"$WORKDIR/cmdline"
 
 align_size() {
@@ -399,8 +399,8 @@ test "$RELEASE" = jessie -a "$((alignment))" -lt "$((1024*1024))" && {
 }
 lastoffset=0
 # shellcheck disable=SC2034  # unused variables serve documentation
-lastoffset="$("${GNU_PREFIX}objdump" -h "$BOOTSTUB" |
-	while read -r idx name size vma lma fileoff algn behind; do
+lastoffset="$("${GNU_PREFIX}objdump" -h "$BOOTSTUB" \
+  | while read -r idx name size vma lma fileoff algn behind; do
     test -z "$behind" -a "${algn#"2**"}" != "$algn" || continue
     offset=$((0x$vma + 0x$size))
     test "$offset" -gt "$lastoffset" || continue

run_null.sh

@@ -26,13 +26,22 @@ done
 # - Read fd 3 and let the group exit with that value
 # - Redirect fd 4 to stdout
 ret=0
-{ { { {
-        ret=0;
-        ( exec 3>&- 4>&-; env --chdir=./shared $SUDO sh -x ./test.sh 2>&1) || ret=$?;
-        echo $ret >&3;
-      } | tee shared/output.txt >&4;
-    } 3>&1;
-  } | { read -r xs; exit "$xs"; }
+{
+  {
+    {
+      {
+        ret=0
+        (
+          exec 3>&- 4>&-
+          env --chdir=./shared $SUDO sh -x ./test.sh 2>&1
+        ) || ret=$?
+        echo $ret >&3
+      } | tee shared/output.txt >&4
+    } 3>&1
+  } | {
+    read -r xs
+    exit "$xs"
+  }
 } 4>&1 || ret=$?
 if [ "$ret" -ne 0 ]; then
   echo "test.sh failed"

tests/apt-patterns-custom

@@ -6,4 +6,7 @@ trap "rm -f /tmp/debian-chroot.tar" EXIT INT TERM
   --include '?narrow(?archive(^{{ DIST }}$),?essential)' \
   --include apt \
   {{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }}
-{ tar -tf /tmp/debian-chroot.tar; echo ./var/lib/apt/extended_states; } | sort | diff -u tar1.txt -
+{
+  tar -tf /tmp/debian-chroot.tar
+  echo ./var/lib/apt/extended_states
+} | sort | diff -u tar1.txt -

tests/as-debootstrap-unshare-wrapper

@@ -31,7 +31,7 @@ AUTOPROXY=
 eval "$(apt-config shell AUTOPROXY Acquire::http::Proxy-Auto-Detect)"
 if [ -n "$AUTOPROXY" ] && [ -x "$AUTOPROXY" ] && [ -e /tmp/.auto-apt-proxy-0 ]; then
   TMP_APT_CONFIG=$(mktemp)
-	echo "Dir \"/dev/null\";" > "$TMP_APT_CONFIG"
+  echo 'Dir "/dev/null";' >"$TMP_APT_CONFIG"
   chmod 644 "$TMP_APT_CONFIG"
 fi
 

tests/aspcud-apt-solver

@@ -6,6 +6,9 @@ trap "rm -f /tmp/debian-chroot.tar" EXIT INT TERM
   --include "$(tr '\n' ',' <pkglist.txt)" \
   --aptopt='APT::Solver "aspcud"' \
   {{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }}
-{ tar -tf /tmp/debian-chroot.tar; echo ./var/lib/apt/extended_states; } | sort \
+{
+  tar -tf /tmp/debian-chroot.tar
+  echo ./var/lib/apt/extended_states
+} | sort \
   | grep -v '^./etc/apt/apt.conf.d/99mmdebstrap$' \
   | diff -u tar1.txt -

tests/check-against-debootstrap-dist

@@ -215,7 +215,10 @@ case {{ DIST }} in testing|unstable)
       case $oldlink in
         /usr/*) : ;;
         /*) oldlink="/usr$oldlink" ;;
-				*) echo unexpected >&2; exit 1 ;;
+        *)
+          echo unexpected >&2
+          exit 1
+          ;;
       esac
       ln -sf "$oldlink" "/tmp/debian-{{ DIST }}-$d/etc/systemd/system/$f"
     done

tests/chrootless-foreign

@@ -26,7 +26,6 @@ fi
 [ "$(id -u)" -eq 0 ]
 [ -e "/proc/sys/fs/binfmt_misc/qemu-$(deb2qemu "$arch")" ]
 
-
 # we need --hook-dir=./hooks/merged-usr because usrmerge does not understand
 # DPKG_ROOT
 #
@@ -53,8 +52,7 @@ for INCLUDE in '' 'apt' 'systemd-sysv'; do
   #  * /var/lib/dpkg/triggers -- #990712
   #  * /var/cache/debconf/*.dat-old -- needs investigation
   for tar in root chrootless; do
-		<"/tmp/$tar.tar" \
-		./tarfilter \
+    ./tarfilter <"/tmp/$tar.tar" \
       --path-exclude=/var/cache/debconf/config.dat-old \
       --path-exclude=/var/cache/debconf/templates.dat-old \
       --path-exclude=/etc/ld.so.cache \

tests/create-foreign-tarball

@@ -38,7 +38,8 @@ $prefix {{ CMD }} --mode={{ MODE }} --variant=apt --architectures="$foreign_arch
   {{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }}
 # we ignore differences between architectures by ignoring some files
 # and renaming others
-{ tar -tf /tmp/debian-chroot.tar \
+{
+  tar -tf /tmp/debian-chroot.tar \
     | grep -v '^\./usr/bin/i386$' \
     | grep -v '^\./usr/bin/x86_64$' \
     | grep -v '^\./lib64$' \
@@ -53,10 +54,10 @@ $prefix {{ CMD }} --mode={{ MODE }} --variant=apt --architectures="$foreign_arch
     | grep -v '^\./usr/share/man/man8/i386\.8\.gz$' \
     | grep -v '^\./usr/share/man/man8/x86_64\.8\.gz$' \
     | sed "s/$foreign_gnu/$native_gnu/" \
-	| sed "s/$foreign_arch/$native_arch/";
+    | sed "s/$foreign_arch/$native_arch/"
 } | sort >/tmp/tar2.txt
-{ < tar1.txt \
-	grep -v '^\./usr/bin/i386$' \
+{
+  grep <tar1.txt -v '^\./usr/bin/i386$' \
     | grep -v '^\./usr/bin/x86_64$' \
     | grep -v '^\./lib32$' \
     | grep -v '^\./lib64$' \
@@ -72,6 +73,6 @@ $prefix {{ CMD }} --mode={{ MODE }} --variant=apt --architectures="$foreign_arch
     | grep -v "^\\./usr/lib/$native_gnu/perl/5\\.[0-9][.0-9]\\+/.*\\.ph$" \
     | grep -v "^\\./usr/share/doc/[^/]\\+/changelog\\(\\.Debian\\)\\?\\.$native_arch\\.gz$" \
     | grep -v '^\./usr/share/man/man8/i386\.8\.gz$' \
-	| grep -v '^\./usr/share/man/man8/x86_64\.8\.gz$';
+    | grep -v '^\./usr/share/man/man8/x86_64\.8\.gz$'
 } | sort | diff -u - /tmp/tar2.txt >&2
 rm /tmp/debian-chroot.tar /tmp/tar2.txt

tests/custom-tmpdir

@@ -18,7 +18,7 @@ prefix="runuser -u ${SUDO_USER:-user} --"
 quote() { printf %s\\n "$1" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/'/"; }
 homedir=$($prefix sh -c 'cd && pwd')
 # apt:test/integration/test-apt-key
-TMPDIR_ADD="This is fü\$\$ing cràzy, \$(apt -v)\$!"
+TMPDIR_ADD='This is fü$$ing cràzy, $(apt -v)$!'
 $prefix mkdir "$homedir/$TMPDIR_ADD"
 # make sure the unshared user can traverse into the TMPDIR
 chmod 711 "$homedir"

tests/deb822-1-2

@@ -40,6 +40,6 @@ tar -C /tmp/debian-chroot --one-file-system -c . \
     tar -t \
       | grep -v "^./etc/apt/sources.list.d/0000deb822.sources$" \
       | grep -v "^./etc/apt/sources.list.d/0001main.list$" \
-			| grep -v "^./etc/apt/sources.list.d/0002sources.list";
-		printf "./etc/apt/sources.list\n";
+      | grep -v "^./etc/apt/sources.list.d/0002sources.list"
+    printf "./etc/apt/sources.list\n"
   } | sort | diff -u tar1.txt -

tests/deb822-2-2

@@ -39,6 +39,6 @@ tar -C /tmp/debian-chroot --one-file-system -c . \
     tar -t \
       | grep -v "^./etc/apt/sources.list.d/0000deb822.sources$" \
       | grep -v "^./etc/apt/sources.list.d/0001main.sources$" \
-			| grep -v "^./etc/apt/sources.list.d/0002sources.list$";
-		printf "./etc/apt/sources.list\n";
+      | grep -v "^./etc/apt/sources.list.d/0002sources.list$"
+    printf "./etc/apt/sources.list\n"
   } | sort | diff -u tar1.txt -

tests/dpkgopt

@@ -7,4 +7,8 @@ echo no-pager > /tmp/config
 printf 'path-exclude=/usr/share/doc/*\nno-pager\npath-include=/usr/share/doc/dpkg/copyright\n' | cmp /tmp/debian-chroot/etc/dpkg/dpkg.cfg.d/99mmdebstrap -
 rm /tmp/debian-chroot/etc/dpkg/dpkg.cfg.d/99mmdebstrap
 tar -C /tmp/debian-chroot --one-file-system -c . | tar -t | sort >tar2.txt
-{ grep -v '^./usr/share/doc/.' tar1.txt; echo ./usr/share/doc/dpkg/; echo ./usr/share/doc/dpkg/copyright; } | sort | diff -u - tar2.txt
+{
+  grep -v '^./usr/share/doc/.' tar1.txt
+  echo ./usr/share/doc/dpkg/
+  echo ./usr/share/doc/dpkg/copyright
+} | sort | diff -u - tar2.txt

tests/eatmydata-via-hook-dir

@@ -12,18 +12,24 @@ EOF
 SCRIPT
 chmod +x /tmp/checkeatmydata.sh
 # first four bytes: magic
-elfheader="\\177ELF"
+elfheader='\177ELF'
 # fifth byte: bits
 case "$(dpkg-architecture -qDEB_HOST_ARCH_BITS)" in
   32) elfheader="$elfheader\\001" ;;
   64) elfheader="$elfheader\\002" ;;
-	*) echo "bits not supported"; exit 1;;
+  *)
+    echo "bits not supported"
+    exit 1
+    ;;
 esac
 # sixth byte: endian
 case "$(dpkg-architecture -qDEB_HOST_ARCH_ENDIAN)" in
   little) elfheader="$elfheader\\001" ;;
   big) elfheader="$elfheader\\002" ;;
-	*) echo "endian not supported"; exit 1;;
+  *)
+    echo "endian not supported"
+    exit 1
+    ;;
 esac
 # seventh and eigth byte: elf version (1) and abi (unset)
 elfheader="$elfheader\\001\\000"

tests/i386-which-can-be-executed-without-qemu

@@ -10,7 +10,8 @@ apt-get remove --yes qemu-user-binfmt binfmt-support qemu-user
 {{ CMD }} --mode={{ MODE }} --variant=apt --architectures=i386 {{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }}
 # we ignore differences between architectures by ignoring some files
 # and renaming others
-{ tar -tf /tmp/debian-chroot.tar \
+{
+  tar -tf /tmp/debian-chroot.tar \
     | grep -v '^\./usr/bin/i386$' \
     | grep -v '^\./usr/lib/ld-linux\.so\.2$' \
     | grep -v '^\./usr/lib/i386-linux-gnu/ld-linux\.so\.2$' \
@@ -20,10 +21,10 @@ apt-get remove --yes qemu-user-binfmt binfmt-support qemu-user
     | grep -v '^\./usr/share/doc/[^/]\+/changelog\(\.Debian\)\?\.i386\.gz$' \
     | sed 's/i386-linux-gnu/x86_64-linux-gnu/' \
     | sed 's/i386/amd64/' \
-	| sed 's/\/stubs-32.ph$/\/stubs-64.ph/';
+    | sed 's/\/stubs-32.ph$/\/stubs-64.ph/'
 } | sort >tar2.txt
-{ < tar1.txt \
-	grep -v '^\./usr/bin/i386$' \
+{
+  grep <tar1.txt -v '^\./usr/bin/i386$' \
     | grep -v '^\./usr/bin/x86_64$' \
     | grep -v '^\./usr/lib32/$' \
     | grep -v '^\./lib32$' \
@@ -36,6 +37,6 @@ apt-get remove --yes qemu-user-binfmt binfmt-support qemu-user
     | grep -v '^\./usr/lib/x86_64-linux-gnu/libmvec\.so\.1$' \
     | grep -v '^\./usr/share/doc/[^/]\+/changelog\(\.Debian\)\?\.amd64\.gz$' \
     | grep -v '^\./usr/share/man/man8/i386\.8\.gz$' \
-	| grep -v '^\./usr/share/man/man8/x86_64\.8\.gz$';
+    | grep -v '^\./usr/share/man/man8/x86_64\.8\.gz$'
 } | sort | diff -u - tar2.txt >&2
 rm /tmp/debian-chroot.tar

tests/include-foreign-libmagic-mgc

@@ -27,7 +27,10 @@ export LC_ALL=C.UTF-8
   --architectures="$native_arch,$foreign_arch" \
   --include="libmagic-mgc:$foreign_arch" \
   {{ DIST }} /tmp/debian-chroot {{ MIRROR }}
-{ echo "$native_arch"; echo "$foreign_arch"; } | cmp /tmp/debian-chroot/var/lib/dpkg/arch -
+{
+  echo "$native_arch"
+  echo "$foreign_arch"
+} | cmp /tmp/debian-chroot/var/lib/dpkg/arch -
 rm /tmp/debian-chroot/usr/lib/file/magic.mgc
 rm /tmp/debian-chroot/usr/share/doc/libmagic-mgc/README.Debian
 rm -f /tmp/debian-chroot/usr/share/doc/libmagic-mgc/"changelog.Debian.$foreign_arch.gz"

tests/include-foreign-libmagic-mgc-with-multiple-arch-options

@@ -28,7 +28,10 @@ export LC_ALL=C.UTF-8
   --architectures="$foreign_arch" \
   --include="libmagic-mgc:$foreign_arch" \
   {{ DIST }} /tmp/debian-chroot {{ MIRROR }}
-{ echo "$native_arch"; echo "$foreign_arch"; } | cmp /tmp/debian-chroot/var/lib/dpkg/arch -
+{
+  echo "$native_arch"
+  echo "$foreign_arch"
+} | cmp /tmp/debian-chroot/var/lib/dpkg/arch -
 rm /tmp/debian-chroot/usr/lib/file/magic.mgc
 rm /tmp/debian-chroot/usr/share/doc/libmagic-mgc/README.Debian
 rm -f /tmp/debian-chroot/usr/share/doc/libmagic-mgc/"changelog.Debian.$foreign_arch.gz"

tests/skip-output-dev

@@ -17,19 +17,19 @@ fi
 # test this for both unshare and root mode because the code paths creating
 # entries in /dev are different depending on whether mknod is available or not
 $prefix {{ CMD }} --mode={{ MODE }} --variant=apt --skip=output/dev {{ DIST }} - {{ MIRROR }} | {
-	tar -t;
-	echo ./dev/console;
-	echo ./dev/fd;
-	echo ./dev/full;
-	echo ./dev/null;
-	echo ./dev/ptmx;
-	echo ./dev/pts/;
-	echo ./dev/random;
-	echo ./dev/shm/;
-	echo ./dev/stderr;
-	echo ./dev/stdin;
-	echo ./dev/stdout;
-	echo ./dev/tty;
-	echo ./dev/urandom;
-	echo ./dev/zero;
+  tar -t
+  echo ./dev/console
+  echo ./dev/fd
+  echo ./dev/full
+  echo ./dev/null
+  echo ./dev/ptmx
+  echo ./dev/pts/
+  echo ./dev/random
+  echo ./dev/shm/
+  echo ./dev/stderr
+  echo ./dev/stdin
+  echo ./dev/stdout
+  echo ./dev/tty
+  echo ./dev/urandom
+  echo ./dev/zero
 } | sort | diff -u tar1.txt -

tests/skip-output-mknod

@@ -18,13 +18,13 @@ fi
 # entries in /dev are different depending on whether mknod is available or not
 $prefix {{ CMD }} --mode={{ MODE }} --variant=apt --skip=output/mknod \
   {{ DIST }} - {{ MIRROR }} | {
-	tar -t;
-	echo ./dev/console;
-	echo ./dev/full;
-	echo ./dev/null;
-	echo ./dev/ptmx;
-	echo ./dev/random;
-	echo ./dev/tty;
-	echo ./dev/urandom;
-	echo ./dev/zero;
+  tar -t
+  echo ./dev/console
+  echo ./dev/full
+  echo ./dev/null
+  echo ./dev/ptmx
+  echo ./dev/random
+  echo ./dev/tty
+  echo ./dev/urandom
+  echo ./dev/zero
 } | sort | diff -u tar1.txt -

tests/special-hooks-using-helpers

@@ -8,9 +8,21 @@ mkdir /tmp/root/real
 run_testA() {
   echo content >/tmp/foo
   # shellcheck disable=SC2094
-  { { { {{ CMD }} --hook-helper /tmp/root root setup '' 1 upload /tmp/foo "$1" < /tmp/myfifo 3>&-; echo $? >&3; printf "\\000\\000adios";
-      } | {{ CMD }} --hook-listener 1 3>&- >/tmp/myfifo; echo $?; } 3>&1;
-  } | { read -r xs1; [ "$xs1" -eq 0 ]; read -r xs2; [ "$xs2" -eq 0 ]; }
+  {
+    {
+      {
+        {{ CMD }} --hook-helper /tmp/root root setup '' 1 upload /tmp/foo "$1" </tmp/myfifo 3>&-
+        echo $? >&3
+        printf '\000\000adios'
+      } | {{ CMD }} --hook-listener 1 3>&- >/tmp/myfifo
+      echo $?
+    } 3>&1
+  } | {
+    read -r xs1
+    [ "$xs1" -eq 0 ]
+    read -r xs2
+    [ "$xs2" -eq 0 ]
+  }
   echo content | diff -u - /tmp/root/real/foo
   rm /tmp/foo
   rm /tmp/root/real/foo

tests/without-etc-resolv-conf-and-etc-hostname

@@ -8,7 +8,8 @@ fi
 trap "rm -f /tmp/debian-chroot.tar" EXIT INT TERM
 rm /etc/resolv.conf /etc/hostname
 {{ CMD }} --mode={{ MODE }} --variant=apt {{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }}
-{ tar -tf /tmp/debian-chroot.tar;
-  printf "./etc/hostname\n";
-  printf "./etc/resolv.conf\n";
+{
+  tar -tf /tmp/debian-chroot.tar
+  printf "./etc/hostname\n"
+  printf "./etc/resolv.conf\n"
 } | sort | diff -u tar1.txt -

tests/zombie-reaping

@@ -31,8 +31,7 @@ $prefix {{ CMD }} --mode={{ MODE }} --variant=apt \
     >/tmp/debian-chroot.tar
 
 origfilter() {
-	< ./cache/mmdebstrap-{{ DIST }}-apt.tar \
-		"$MMTARFILTER" --path-exclude="/dev/*" --path-exclude="/dev"
+  "$MMTARFILTER" <./cache/mmdebstrap-{{ DIST }}-apt.tar --path-exclude="/dev/*" --path-exclude="/dev"
 }
 
 origfilter | cmp - /tmp/debian-chroot.tar \