52 lines
1.9 KiB
Bash
52 lines
1.9 KiB
Bash
#!/bin/bash
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# ------------------------------------------------------------------------------
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# Chroot system functions
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# This file is part of the init.sh project
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# Copyright (c) 2019-2024 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# ------------------------------------------------------------------------------
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# This file is distributed under 3-clause BSD license.
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# The complete license agreement can be obtained at:
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# https://opensource.org/licenses/BSD-3-Clause
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# If chrooted, we need to bootstrap to a new copy of our directory tree
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chroot_bootstrap()
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{
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if [[ ! -d "$CHROOT_PATH" ]]; then
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prnt E "The path given to chroot don't exists."
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die 14
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fi
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if [[ ! -d "$CHROOT_PATH/tmp" ]]; then
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prnt E "The target filesystem doesn't seems to be a valid installation."
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die 15
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fi
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local tmpdir=$(mktemp -d "$CHROOT_PATH/tmp/init.sh-XXXX")
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local bootstrap_items="conf lib modules repo bash.rc init.sh prepost.d"
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if [[ $RESUME == true ]]; then
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bootstrap_items="$bootstrap_items $STAGE_FILE"
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fi
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prnt I "Preparing root change."
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cp -av $bootstrap_items "$tmpdir"
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prnt I "Changing root and starting a fork of init.sh..."
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# on the following line, true allows to correctly exit in case of error since
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# errors are managed by the chrooted environment
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chroot "$CHROOT_PATH" /bin/bash -c 'CHROOT_DONE=true; "$tmpdir/init.sh" "$@"' || true
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# If stage file still exists we copy it to be able to resume later
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if [[ -e "$tmpdir/$(basename "$STAGE_FILE")" ]]; then
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cp "$tmpdir/$(basename "$STAGE_FILE")" "$STAGE_FILE"
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fi
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prnt I "Back to host system and clean up."
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rm -rf "$tmpdir"
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}
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export -f chroot_bootstrap
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# ------------------------------------------------------------------------------
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# EOF
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