48 lines
1.2 KiB
Bash
48 lines
1.2 KiB
Bash
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#!/bin/sh
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#
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# FOR DEVELOPMENT ONLY!
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#
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# this script is used to prepare a chroot session for testing or configuring
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#
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# called by:
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# - cbox-build.sh
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#
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# parameter: [commandline]
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#
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# if "commandline" is empty, "bash" will be used
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set -eu
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MNT_SRC=/opt/dfsruntime/runtimerd
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MNT_DST=/opt/dfsruntime/runtimemnt
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# the directory /tmp/ can not be used, as it is still a broken link, too
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TMP_DIR="/tmp-`basename $0`-$$"
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cp -a "$MNT_SRC/." "$TMP_DIR"
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mount -n --bind "$TMP_DIR" "$MNT_DST"
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[ ! -e /dev/null ] && mknod "/dev/null" c 1 3 && chmod 666 "/dev/null"
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[ ! -e /dev/urandom ] && mknod "/dev/urandom" c 1 9 && chmod 444 "/dev/urandom"
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[ ! -e /dev/console ] && mknod "/dev/console" c 1 5 && chmod 660 "/dev/console"
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# remember, if proc was mounted before (e.g. because of a running chroot)
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PROC_WAS_MOUNTED=no
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mount -n -t proc proc /proc 2>/dev/null || PROC_WAS_MOUNTED=yes
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# default language setting - prevents dpkg error messages
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export LANG=C
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# set default terminal (good if you are running in a screen session)
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export TERM=linux
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# execute parameters as commandline
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if [ $# -gt 0 ]
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then "$@"
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else bash
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fi
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umount -n "$MNT_DST"
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[ "$PROC_WAS_MOUNTED" = "no" ] && umount -n proc
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rm -r "$TMP_DIR"
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