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39 lines
1.1 KiB
Bash
39 lines
1.1 KiB
Bash
#!/bin/sh
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set -eu
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: "${cachedir:=./shared/cache}"
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tmpdir="$(mktemp -d)"
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cleanup() {
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rv=$?
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rm -f "$tmpdir/debian-unstable-overlay.qcow"
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[ -e "$tmpdir" ] && rmdir "$tmpdir"
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if [ -e shared/result.txt ]; then
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head --lines=-1 shared/result.txt
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res="$(tail --lines=1 shared/result.txt)"
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rm shared/result.txt
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if [ "$res" != "0" ]; then
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# this might possibly overwrite another non-zero rv
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rv=1
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fi
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fi
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exit $rv
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}
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trap cleanup INT TERM EXIT
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# the path to debian-unstable.qcow must be absolute or otherwise qemu will
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# look for the path relative to debian-unstable-overlay.qcow
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qemu-img create -f qcow2 -b "$(realpath $cachedir)/debian-unstable.qcow" "$tmpdir/debian-unstable-overlay.qcow"
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KVM=
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if [ -e /dev/kvm ]; then
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KVM="-enable-kvm"
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fi
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qemu-system-x86_64 $KVM -m 512M -nographic \
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-monitor unix:/tmp/monitor,server,nowait \
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-serial unix:/tmp/ttyS0,server,nowait \
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-serial unix:/tmp/ttyS1,server,nowait \
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-virtfs local,id=mmdebstrap,path="$(pwd)/shared",security_model=none,mount_tag=mmdebstrap \
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-drive file="$tmpdir/debian-unstable-overlay.qcow",cache=unsafe,index=0
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