54 lines
2.8 KiB
Bash
54 lines
2.8 KiB
Bash
#!/bin/sh
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set -eu
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export LC_ALL=C.UTF-8
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export SOURCE_DATE_EPOCH={{ SOURCE_DATE_EPOCH }}
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trap "rm -f /tmp/chroot1.tar /tmp/chroot2.tar /tmp/chroot3.tar /tmp/mmdebstrap" EXIT INT TERM
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prefix=
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if [ "$(id -u)" -eq 0 ] && [ "{{ MODE }}" != "root" ] && [ "{{ MODE }}" != "auto" ]; then
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if ! id "${SUDO_USER:-user}" 2>/dev/null; then
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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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useradd --home-dir "/home/${SUDO_USER:-user}" --create-home "${SUDO_USER:-user}"
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fi
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prefix="runuser -u ${SUDO_USER:-user} --"
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fi
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$prefix {{ CMD }} --mode={{ MODE }} --variant=apt \
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--include=mount,perl \
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{{ DIST }} /tmp/chroot1.tar {{ MIRROR }}
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if [ {{ MODE }} = "unshare" ]; then
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# calling pivot_root in root mode does not work for mysterious reasons:
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# pivot_root: failed to change root from `.' to `mnt': Invalid argument
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$prefix {{ CMD }} --mode={{ MODE }} --variant=apt --include=mount,perl \
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--customize-hook='mkdir -p "$1/mnt" "$1/oldroot"' \
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--customize-hook='[ ! -e /usr/bin/mmdebstrap ] || cp -aT /usr/bin/mmdebstrap "$1/usr/bin/mmdebstrap"' \
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--customize-hook='[ ! -e ./mmdebstrap ] || cp -aT ./mmdebstrap "$1/mnt/mmdebstrap"' \
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--customize-hook='mount -o rbind "$1" /mnt && cd /mnt && /sbin/pivot_root . oldroot' \
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--customize-hook='unshare -U echo nested unprivileged unshare' \
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--customize-hook='env --chdir=/mnt {{ CMD }} --mode=unshare --variant=apt --include=mount,perl {{ DIST }} /tmp/chroot3.tar {{ MIRROR }}' \
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--customize-hook='copy-out /tmp/chroot3.tar /tmp' \
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--customize-hook='rm -f "/usr/bin/mmdebstrap" "/mnt/mmdebstrap"' \
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--customize-hook='umount -l oldroot sys' \
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--customize-hook='rmdir /oldroot' \
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{{ DIST }} /tmp/chroot2.tar {{ MIRROR }}
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cmp /tmp/chroot1.tar /tmp/chroot2.tar || diffoscope /tmp/chroot1.tar /tmp/chroot2.tar
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cmp /tmp/chroot1.tar /tmp/chroot3.tar || diffoscope /tmp/chroot1.tar /tmp/chroot3.tar
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rm /tmp/chroot2.tar /tmp/chroot3.tar
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fi
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$prefix {{ CMD }} --mode={{ MODE }} --variant=apt --include=mount,perl \
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--customize-hook='mkdir -p "$1/mnt"' \
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--customize-hook='[ ! -e /usr/bin/mmdebstrap ] || cp -aT /usr/bin/mmdebstrap "$1/usr/bin/mmdebstrap"' \
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--customize-hook='[ ! -e ./mmdebstrap ] || cp -aT ./mmdebstrap "$1/mnt/mmdebstrap"' \
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--chrooted-customize-hook='env --chdir=/mnt {{ CMD }} --mode=unshare --variant=apt --include=mount,perl {{ DIST }} /tmp/chroot3.tar {{ MIRROR }}' \
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--customize-hook='copy-out /tmp/chroot3.tar /tmp' \
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--customize-hook='rm -f "$1/usr/bin/mmdebstrap" "$1/mnt/mmdebstrap"' \
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{{ DIST }} /tmp/chroot2.tar {{ MIRROR }}
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cmp /tmp/chroot1.tar /tmp/chroot2.tar || diffoscope /tmp/chroot1.tar /tmp/chroot2.tar
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cmp /tmp/chroot1.tar /tmp/chroot3.tar || diffoscope /tmp/chroot1.tar /tmp/chroot3.tar
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