32 lines
672 B
Bash
32 lines
672 B
Bash
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#!/bin/sh
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#
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# This chroot script uses unshare(1) with user_namespaces(7).
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#
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readonly MASTERDIR="$1"
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readonly DISTDIR="$2"
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readonly HOSTDIR="$3"
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readonly EXTRA_ARGS="$4"
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if ! command -v unshare >/dev/null 2>&1; then
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exit 1
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fi
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if [ -z "$XBPS_IS_UNSHARED" ]; then
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XBPS_IS_UNSHARED=1 exec unshare $EXTRA_ARGS -m -U -r -- "$0" "$@"
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exit 1
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fi
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shift 4
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if [ -z "$MASTERDIR" -o -z "$DISTDIR" ]; then
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echo "$0 MASTERDIR/DISTDIR not set"
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exit 1
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fi
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for i in /dev /proc /sys; do
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mount --rbind "$i" "$MASTERDIR/$i" || exit 1
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done
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mount --rbind "$DISTDIR" "$MASTERDIR/void-packages" || exit 1
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mount --rbind "$HOSTDIR" "$MASTERDIR/host" || exit 1
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exec chroot "$MASTERDIR" "$@"
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