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https://git.launchpad.net/livecd-rootfs
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64 lines
2.3 KiB
Bash
Executable File
64 lines
2.3 KiB
Bash
Executable File
#!/bin/bash -ex
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# vi: ts=4 noexpandtab
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case $PASS in
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ubuntu-server-minimal.ubuntu-server.installer.*.*)
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exit 0
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;;
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ubuntu-server-minimal.ubuntu-server.installer.*)
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flavor=${PASS##*.}
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if [ "$flavor" = "generic" ]; then
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kernel_metapkg=linux-generic
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elif [ "$flavor" = "generic-hwe" ]; then
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kernel_metapkg=linux-generic-hwe-$(lsb_release -sr)
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elif [ "$flavor" = "generic-64k" ]; then
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kernel_metapkg=linux-generic-64k
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elif [ "$flavor" = "generic-64k-hwe" ]; then
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kernel_metapkg=linux-generic-64k-hwe-$(lsb_release -sr)
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elif [ "$flavor" = "intel-iotg" ]; then
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kernel_metapkg=linux-intel-iotg
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elif [ "$flavor" = "nvidia-tegra" ]; then
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kernel_metapkg=linux-nvidia-tegra
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elif [ "$flavor" = "nvidia-tegra-igx" ]; then
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kernel_metapkg=linux-nvidia-tegra-igx
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else
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echo "bogus flavor: $flavor"
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exit 1
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fi
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;;
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*)
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exit 0
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;;
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esac
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# Add a script to record which kernel meta-package to use and to set
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# up the /media/filesystem mount that subiquity currently depends
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# on. It would be cleaner to do this mount in a systemd mount unit but
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# that doesn't work because we mask the cdrom mount to avoid strange
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# issues with the handover from the initrd to systemd in the live
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# session. In any case, subiquity will sooner or later not require
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# this mount to be here at all and then we can delete these mount commands.
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cat <<EOF > /etc/initramfs-tools/scripts/init-bottom/live-server
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#!/bin/sh
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case \$1 in
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prereqs) exit 0;;
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esac
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echo ${kernel_metapkg} > /run/kernel-meta-package
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mkdir -p \${rootmnt}/media/filesystem \${rootmnt}/media/full \${rootmnt}/media/minimal
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mount -o ro -t squashfs \${rootmnt}/cdrom/casper/ubuntu-server-minimal.squashfs \${rootmnt}/media/minimal
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mount -o ro -t squashfs \${rootmnt}/cdrom/casper/ubuntu-server-minimal.ubuntu-server.squashfs \${rootmnt}/media/full
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mount -o ro,lowerdir=\${rootmnt}/media/full:\${rootmnt}/media/minimal -t overlay overlay \${rootmnt}/media/filesystem
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EOF
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chmod +x /etc/initramfs-tools/scripts/init-bottom/live-server
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cat <<EOF > /etc/initramfs-tools/conf.d/casperize.conf
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export CASPER_GENERATE_UUID=1
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EOF
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cat <<EOF > /etc/initramfs-tools/conf.d/default-layer.conf
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LAYERFS_PATH=${PASS}.squashfs
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EOF
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