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test.sh: cache debootstrap results

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This commit is contained in:
Johannes 'josch' Schauer 2018-10-03 10:22:35 +02:00
parent c6099857e2
commit 4e663a12f0
Signed by: josch
GPG key ID: F2CBA5C78FBD83E1
2 changed files with 31 additions and 13 deletions
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7
make_mirror.sh
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@ -3,6 +3,7 @@
set -eu
mirrordir="./mirror"
cachedir="./cache"
mirror="http://deb.debian.org/debian"
nativearch=$(dpkg --print-architecture)
@ -17,6 +18,12 @@ if [ -e "$mirrordir/dists/unstable/Release" ]; then
esac
fi
for dist in stable testing unstable; do
for variant in minbase buildd -; do
rm -f "$cachedir/debian-$dist-$variant.tar"
done
done
for dist in stable testing unstable; do
rootdir=$(mktemp --directory)

37
test.sh
View file

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