forked from josch/mmdebstrap
test.sh: cache debootstrap results
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parent
c6099857e2
commit
4e663a12f0
2 changed files with 31 additions and 13 deletions
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@ -3,6 +3,7 @@
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set -eu
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mirrordir="./mirror"
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cachedir="./cache"
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mirror="http://deb.debian.org/debian"
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nativearch=$(dpkg --print-architecture)
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@ -17,6 +18,12 @@ if [ -e "$mirrordir/dists/unstable/Release" ]; then
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esac
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fi
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for dist in stable testing unstable; do
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for variant in minbase buildd -; do
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rm -f "$cachedir/debian-$dist-$variant.tar"
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done
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done
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for dist in stable testing unstable; do
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rootdir=$(mktemp --directory)
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37
test.sh
37
test.sh
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@ -3,11 +3,15 @@
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set -eu
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mirrordir="./mirror"
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cachedir="./cache"
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# by default, use the mmdebstrap executable in the current directory but allow
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# overwriting the location
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: "${mmdebstrap:=./mmdebstrap}"
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# by default a cache of debootstrap results is maintained
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: "${docache:=true}"
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mirror="http://deb.debian.org/debian"
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rootdir=$(mktemp --directory)
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nativearch=$(dpkg --print-architecture)
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@ -46,7 +50,11 @@ trap 'kill $pid' INT QUIT TERM EXIT
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echo "running http server with pid $pid"
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export SOURCE_DATE_EPOCH=$(date +%s)
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# choose the timestamp of the unstable Release file, so that we get
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# reproducible results for the same mirror timestamp
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export SOURCE_DATE_EPOCH=$(date --date="$(grep-dctrl -s Date -n '' mirror/dists/unstable/Release)" +%s)
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mkdir -p "$cachedir"
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for dist in stable testing unstable; do
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> timings
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@ -65,20 +73,20 @@ for dist in stable testing unstable; do
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stat --format=%s debian-$dist-mm.tar >> sizes
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mkdir ./debian-$dist-mm
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cd ./debian-$dist-mm
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sudo tar -xf ../debian-$dist-mm.tar
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cd -
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sudo tar -C ./debian-$dist-mm -xf ./debian-$dist-mm.tar
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echo running debootstrap --merged-usr --variant=$variant $dist ./debian-$dist-debootstrap "http://localhost:8000/"
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/usr/bin/time --output=timings --append --format=%e sudo debootstrap --merged-usr --variant=$variant $dist ./debian-$dist-debootstrap "http://localhost:8000/"
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sudo tar --sort=name --mtime=@$SOURCE_DATE_EPOCH --clamp-mtime --numeric-owner --one-file-system -C ./debian-$dist-debootstrap -cf debian-$dist-debootstrap.tar .
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sudo rm -r ./debian-$dist-debootstrap
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if [ "$docache" != "true" ] || [ ! -e "$cachedir/debian-$dist-$variant.tar" ]; then
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echo running debootstrap --merged-usr --variant=$variant $dist ./debian-$dist-debootstrap "http://localhost:8000/"
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/usr/bin/time --output=timings --append --format=%e sudo debootstrap --merged-usr --variant=$variant $dist ./debian-$dist-debootstrap "http://localhost:8000/"
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sudo tar --sort=name --mtime=@$SOURCE_DATE_EPOCH --clamp-mtime --numeric-owner --one-file-system -C ./debian-$dist-debootstrap -c . > "$cachedir/debian-$dist-$variant.tar"
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sudo rm -r ./debian-$dist-debootstrap
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else
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echo cached >> timings
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fi
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stat --format=%s debian-$dist-debootstrap.tar >> sizes
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stat --format=%s "$cachedir/debian-$dist-$variant.tar" >> sizes
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mkdir ./debian-$dist-debootstrap
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cd ./debian-$dist-debootstrap
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sudo tar -xf ../debian-$dist-debootstrap.tar
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cd -
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sudo tar -C ./debian-$dist-debootstrap -xf "$cachedir/debian-$dist-$variant.tar"
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# diff cannot compare device nodes, so we use tar to do that for us and then
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# delete the directory
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@ -149,7 +157,10 @@ for dist in stable testing unstable; do
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sudo diff --no-dereference --brief --recursive debian-$dist-debootstrap debian-$dist-mm
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sudo rm -rf ./debian-$dist-debootstrap ./debian-$dist-mm \
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./debian-$dist-debootstrap.tar ./debian-$dist-mm.tar
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./debian-$dist-mm.tar
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if [ "$docache" != "true" ]; then
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rm "$cachedir/debian-$dist-$variant.tar"
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fi
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done
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eval $(awk '{print "var"NR"="$1}' timings)
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