forked from josch/mmdebstrap
55 lines
2.2 KiB
Bash
55 lines
2.2 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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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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if [ "$(id -u)" -eq 0 ] && ! id -u user > /dev/null 2>&1; then
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adduser --gecos user --disabled-password user
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fi
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prefix=
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[ "$(id -u)" -eq 0 ] && [ "{{ MODE }}" != "root" ] && prefix="runuser -u user --"
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MMDEBSTRAP=
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[ -e /usr/bin/mmdebstrap ] && MMDEBSTRAP=/usr/bin/mmdebstrap
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[ -e ./mmdebstrap ] && MMDEBSTRAP=./mmdebstrap
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$prefix {{ CMD }} --mode={{ MODE }} --variant=apt \
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--include=mount \
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{{ DIST }} /tmp/chroot1.tar {{ MIRROR }}
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if [ {{ MODE }} = "unshare" ]; then
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# calling pivot_root in root mode does not work for mysterious reasons:
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# pivot_root: failed to change root from `.' to `mnt': Invalid argument
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$prefix {{ CMD }} --mode={{ MODE }} --variant=apt --include=mount \
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--customize-hook="upload $MMDEBSTRAP /$MMDEBSTRAP" \
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--customize-hook='chmod +x "$1"/'"$MMDEBSTRAP" \
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--customize-hook='mount -o rbind "$1" /mnt && cd /mnt && /sbin/pivot_root . mnt' \
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--customize-hook='unshare -U echo nested unprivileged unshare' \
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--customize-hook='{{ CMD }} --mode=unshare --variant=apt --include=mount {{ DIST }} /tmp/chroot3.tar {{ MIRROR }}' \
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--customize-hook='copy-out /tmp/chroot3.tar /tmp' \
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--customize-hook='rm "$1/'"$MMDEBSTRAP"'"' \
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--customize-hook='umount -l mnt sys' \
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{{ DIST }} /tmp/chroot2.tar {{ MIRROR }}
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cmp /tmp/chroot1.tar /tmp/chroot2.tar
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cmp /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 \
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--customize-hook="upload $MMDEBSTRAP /$MMDEBSTRAP" \
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--customize-hook='chmod +x "$1"/'"$MMDEBSTRAP" \
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--chrooted-customize-hook='{{ CMD }} --mode=unshare --variant=apt --include=mount {{ DIST }} /tmp/chroot3.tar {{ MIRROR }}' \
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--customize-hook='copy-out /tmp/chroot3.tar /tmp' \
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--customize-hook='rm "$1/'"$MMDEBSTRAP"'"' \
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{{ DIST }} /tmp/chroot2.tar {{ MIRROR }}
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cmp /tmp/chroot1.tar /tmp/chroot2.tar
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cmp /tmp/chroot1.tar /tmp/chroot3.tar
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