33 lines
936 B
Bash
33 lines
936 B
Bash
#!/hint/ash
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# Copyright (C) 2023 Umorpha Systems
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# args: errmsg
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umorpha_emergency_shell() {
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run_hookfunctions 'run_emergencyhook' 'emergency hook' $EMERGENCYHOOKS
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err "$*"
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echo "You are now being dropped into an emergency shell."
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launch_interactive_shell
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msg "Trying to continue (this will most likely fail) ..."
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}
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# args: /path/to/newroot
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umorpha_mount_handler() {
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local newroot="$1"
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msg ":: mounting '$root'+'$overlay' on real root"
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if ! umorpha-mount \
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--root="$root:$rootfstype:ro${rootflags:+,$rootflags}" \
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--overlay="$overlay:$overlayfstype:${rwopt:-ro}${overlayflags:+,$overlayrootflags}" \
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${boot:+--boot="$boot:$bootfstype:${rwopt:-ro}${bootflags:+,$bootflags}"} \
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--basedir=/run/umorpah-root \
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--final-mountpoint="$newroot"
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then
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umorpha_emergency_shell "Failed to mount base filesystem"
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fi
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}
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run_hook() {
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export mount_handler='umorpha_mount_handler'
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}
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