2be79c6259
This automatically tears down any processes remaining in the chroot when we exit. I'm looking at you, gnupg.
33 lines
693 B
Bash
33 lines
693 B
Bash
#!/bin/bash
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shopt -s extglob
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m4_include(common)
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usage() {
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cat <<EOF
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usage: ${0##*/} chroot-dir [command]
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-h Print this help message
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If 'command' is unspecified, ${0##*/} will launch /bin/sh.
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EOF
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}
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if [[ -z $1 || $1 = @(-h|--help) ]]; then
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usage
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exit $(( $# ? 0 : 1 ))
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fi
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(( EUID == 0 )) || die 'This script must be run with root privileges'
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chrootdir=$1
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shift
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[[ -d $chrootdir ]] || die "Can't create chroot on non-directory %s" "$chrootdir"
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api_fs_mount "$chrootdir" || die "failed to setup API filesystems in chroot %s" "$chrootdir"
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track_mount /etc/resolv.conf "$chrootdir/etc/resolv.conf" --bind
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SHELL=/bin/sh unshare --fork --pid chroot "$chrootdir" "$@"
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