forked from josch/mmdebstrap
run_qemu.sh: use an exit trap for reporting the result and cleanup
This will prevent any leftover files in case of a sudden error or ctrl+c.
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parent
97d273aaf6
commit
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1 changed files with 18 additions and 7 deletions
25
run_qemu.sh
25
run_qemu.sh
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@ -5,6 +5,24 @@ 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" -ne 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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@ -18,10 +36,3 @@ qemu-system-x86_64 $KVM -m 512M -nographic \
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-serial unix:/tmp/ttyS1,server,nowait \
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-virtfs local,id=mmdebstrap,path="$(pwd)/shared",security_model=none,mount_tag=mmdebstrap \
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-drive file="$tmpdir/debian-unstable-overlay.qcow",cache=unsafe,index=0
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head --lines=-1 shared/result.txt
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if [ "$(tail --lines=1 shared/result.txt)" -ne 0 ]; then
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echo "test.sh failed"
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exit 1
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fi
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rm "$tmpdir/debian-unstable-overlay.qcow" shared/result.txt
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rmdir "$tmpdir"
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