/bin/in-target is in ubiquity 2.18.7.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | #!/bin/sh
set -e
. /lib/chroot-setup.sh
STDOUT=
if [ "$1" = "--pass-stdout" ]; then
STDOUT=$1
shift
fi
if ! chroot_setup; then
logger -t in-target -- "Unexpected error; command not executed: '$@'"
exit 1
fi
DEBCONF_READFD=0
export DEBCONF_READFD
DEBCONF_WRITEFD=3
export DEBCONF_WRITEFD
DEBIAN_FRONTEND=passthrough
export DEBIAN_FRONTEND
ERRCODE=0
log-output -t in-target $STDOUT chroot /target "$@" || ERRCODE=$?
chroot_cleanup
if [ "$ERRCODE" != 0 ]; then
exit $ERRCODE
else
exit 0
fi
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