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make_mirror.sh: also download a foreign architecture

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debextract
Johannes 'josch' Schauer 6 years ago
parent 7b4d052653
commit 7ca2e490d7
Signed by untrusted user: josch
GPG Key ID: F2CBA5C78FBD83E1
1 changed files with 100 additions and 93 deletions
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193
make_mirror.sh
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@ -6,7 +6,11 @@ mirrordir="./mirror"
cachedir="./cache"
mirror="http://deb.debian.org/debian"
nativearch=$(dpkg --print-architecture)
arch1=$(dpkg --print-architecture)
arch2=armhf
if [ "$arch1" = "$arch2" ]; then
arch2=amd64
fi
components=main
if [ -e "$mirrordir/dists/unstable/Release" ]; then
@ -24,15 +28,17 @@ for dist in stable testing unstable; do
done
done
for dist in stable testing unstable; do
rootdir=$(mktemp --directory)
for nativearch in $arch1 $arch2; do
for dist in stable testing unstable; do
rootdir=$(mktemp --directory)
for p in /etc/apt/apt.conf.d /etc/apt/sources.list.d /etc/apt/preferences.d /var/cache/apt/archives /var/lib/apt/lists/partial /var/lib/dpkg; do
mkdir -p "$rootdir/$p"
done
for p in /etc/apt/apt.conf.d /etc/apt/sources.list.d /etc/apt/preferences.d /var/cache/apt/archives /var/lib/apt/lists/partial /var/lib/dpkg; do
mkdir -p "$rootdir/$p"
done
cat << END > "$rootdir/etc/apt/apt.conf"
cat << END > "$rootdir/etc/apt/apt.conf"
Apt::Architecture "$nativearch";
Apt::Architectures "$nativearch";
Dir::Etc "$rootdir/etc/apt";
Dir::State "$rootdir/var/lib/apt";
Dir::Cache "$rootdir/var/cache/apt";
@ -42,102 +48,103 @@ Dir::Etc::Trusted "/etc/apt/trusted.gpg";
Dir::Etc::TrustedParts "/etc/apt/trusted.gpg.d";
END
> "$rootdir/var/lib/dpkg/status"
> "$rootdir/var/lib/dpkg/status"
cat << END > "$rootdir/etc/apt/sources.list"
cat << END > "$rootdir/etc/apt/sources.list"
deb [arch=$nativearch] $mirror $dist $components
END
APT_CONFIG="$rootdir/etc/apt/apt.conf" apt-get update
> "$rootdir/oldaptnames"
# before downloading packages and before replacing the old Packages
# file, copy all old *.deb packages from the mirror to
# /var/cache/apt/archives so that apt will not re-download *.deb
# packages that we already have
if [ -e "$mirrordir/dists/$dist/main/binary-$nativearch/Packages.gz" ]; then
APT_CONFIG="$rootdir/etc/apt/apt.conf" apt-get update
> "$rootdir/oldaptnames"
# before downloading packages and before replacing the old Packages
# file, copy all old *.deb packages from the mirror to
# /var/cache/apt/archives so that apt will not re-download *.deb
# packages that we already have
if [ -e "$mirrordir/dists/$dist/main/binary-$nativearch/Packages.gz" ]; then
gzip -dc "$mirrordir/dists/$dist/main/binary-$nativearch/Packages.gz" \
| grep-dctrl --no-field-names --show-field=Package,Version,Architecture,Filename '' \
| paste -sd " \n" \
| while read name ver arch fname; do
if [ ! -e "$mirrordir/$fname" ]; then
continue
fi
# apt stores deb files with the colon encoded as %3a while
# mirrors do not contain the epoch at all #645895
case "$ver" in *:*) ver="${ver%%:*}%3a${ver#*:}";; esac
aptname="$rootdir/var/cache/apt/archives/${name}_${ver}_${arch}.deb"
# we have to cp and not mv because other
# distributions might still need this file
# we have to cp and not symlink because apt
# doesn't recognize symlinks
# we cannot do a hardlink because the two
# directories might be on different devices
cp -a "$mirrordir/$fname" "$aptname"
echo "$aptname" >> "$rootdir/oldaptnames"
done
fi
pkgs=$(APT_CONFIG="$rootdir/etc/apt/apt.conf" apt-get indextargets \
--format '$(FILENAME)' 'Created-By: Packages' "Architecture: $nativearch" \
| xargs --delimiter='\n' /usr/lib/apt/apt-helper cat-file \
| grep-dctrl --no-field-names --show-field=Package --exact-match \
\( --field=Essential yes --or --field=Priority required \
--or --field=Priority important --or --field=Priority standard \
--or --field=Package build-essential \) )
pkgs="$(echo $pkgs) build-essential"
APT_CONFIG="$rootdir/etc/apt/apt.conf" apt-get --yes install $pkgs
# to be able to also test gpg verification, we need to create a mirror
mkdir -p "$mirrordir/dists/$dist/" "$mirrordir/dists/$dist/main/binary-$nativearch/"
curl --location "$mirror/dists/$dist/Release" > "$mirrordir/dists/$dist/Release"
curl --location "$mirror/dists/$dist/Release.gpg" > "$mirrordir/dists/$dist/Release.gpg"
curl --location "$mirror/dists/$dist/main/binary-$nativearch/Packages.gz" > "$mirrordir/dists/$dist/main/binary-$nativearch/Packages.gz"
# the deb files downloaded by apt must be moved to their right locations in the
# pool directory
#
# Instead of parsing the Packages file, we could also attempt to move the deb
# files ourselves to the appropriate pool directories. But that approach
# requires re-creating the heuristic by which the directory is chosen, requires
# stripping the epoch from the filename and will break once mirrors change.
# This way, it doesn't matter where the mirror ends up storing the package.
> "$rootdir/newaptnames"
gzip -dc "$mirrordir/dists/$dist/main/binary-$nativearch/Packages.gz" \
| grep-dctrl --no-field-names --show-field=Package,Version,Architecture,Filename '' \
| paste -sd " \n" \
| while read name ver arch fname; do
if [ ! -e "$mirrordir/$fname" ]; then
continue
fi
| grep-dctrl --no-field-names --show-field=Package,Version,Architecture,Filename,MD5sum '' \
| paste -sd " \n" \
| while read name ver arch fname md5; do
dir="${fname%/*}"
# apt stores deb files with the colon encoded as %3a while
# mirrors do not contain the epoch at all #645895
case "$ver" in *:*) ver="${ver%%:*}%3a${ver#*:}";; esac
aptname="$rootdir/var/cache/apt/archives/${name}_${ver}_${arch}.deb"
# we have to cp and not mv because other
# distributions might still need this file
# we have to cp and not symlink because apt
# doesn't recognize symlinks
# we cannot do a hardlink because the two
# directories might be on different devices
cp -a "$mirrordir/$fname" "$aptname"
echo "$aptname" >> "$rootdir/oldaptnames"
if [ -e "$aptname" ]; then
# make sure that we found the right file by checking its hash
echo "$md5 $aptname" | md5sum --check
mkdir -p "$mirrordir/$dir"
mv "$aptname" "$mirrordir/$fname"
echo "$aptname" >> "$rootdir/newaptnames"
fi
done
fi
pkgs=$(APT_CONFIG="$rootdir/etc/apt/apt.conf" apt-get indextargets \
--format '$(FILENAME)' 'Created-By: Packages' "Architecture: $nativearch" \
| xargs --delimiter='\n' /usr/lib/apt/apt-helper cat-file \
| grep-dctrl --no-field-names --show-field=Package --exact-match \
\( --field=Essential yes --or --field=Priority required \
--or --field=Priority important --or --field=Priority standard \
--or --field=Package build-essential \) )
pkgs="$(echo $pkgs) build-essential"
APT_CONFIG="$rootdir/etc/apt/apt.conf" apt-get --yes install $pkgs
# to be able to also test gpg verification, we need to create a mirror
mkdir -p "$mirrordir/dists/$dist/" "$mirrordir/dists/$dist/main/binary-$nativearch/"
curl --location "$mirror/dists/$dist/Release" > "$mirrordir/dists/$dist/Release"
curl --location "$mirror/dists/$dist/Release.gpg" > "$mirrordir/dists/$dist/Release.gpg"
curl --location "$mirror/dists/$dist/main/binary-$nativearch/Packages.gz" > "$mirrordir/dists/$dist/main/binary-$nativearch/Packages.gz"
# the deb files downloaded by apt must be moved to their right locations in the
# pool directory
#
# Instead of parsing the Packages file, we could also attempt to move the deb
# files ourselves to the appropriate pool directories. But that approach
# requires re-creating the heuristic by which the directory is chosen, requires
# stripping the epoch from the filename and will break once mirrors change.
# This way, it doesn't matter where the mirror ends up storing the package.
> "$rootdir/newaptnames"
gzip -dc "$mirrordir/dists/$dist/main/binary-$nativearch/Packages.gz" \
| grep-dctrl --no-field-names --show-field=Package,Version,Architecture,Filename,MD5sum '' \
| paste -sd " \n" \
| while read name ver arch fname md5; do
dir="${fname%/*}"
# apt stores deb files with the colon encoded as %3a while
# mirrors do not contain the epoch at all #645895
case "$ver" in *:*) ver="${ver%%:*}%3a${ver#*:}";; esac
aptname="$rootdir/var/cache/apt/archives/${name}_${ver}_${arch}.deb"
if [ -e "$aptname" ]; then
# make sure that we found the right file by checking its hash
echo "$md5 $aptname" | md5sum --check
mkdir -p "$mirrordir/$dir"
mv "$aptname" "$mirrordir/$fname"
echo "$aptname" >> "$rootdir/newaptnames"
fi
done
rm "$rootdir/var/cache/apt/archives/lock"
rmdir "$rootdir/var/cache/apt/archives/partial"
# remove all packages that were in the old Packages file but not in the
# new one anymore
sort "$rootdir/oldaptnames" > "$rootdir/tmp"
mv "$rootdir/tmp" "$rootdir/oldaptnames"
sort "$rootdir/newaptnames" > "$rootdir/tmp"
mv "$rootdir/tmp" "$rootdir/newaptnames"
comm -23 "$rootdir/oldaptnames" "$rootdir/newaptnames" | xargs --delimiter="\n" --no-run-if-empty rm
# now the apt cache should be empty
if [ ! -z "$(ls -1qA "$rootdir/var/cache/apt/archives/")" ]; then
echo "/var/cache/apt/archives not empty"
exit 1
fi
rm -r "$rootdir"
rm "$rootdir/var/cache/apt/archives/lock"
rmdir "$rootdir/var/cache/apt/archives/partial"
# remove all packages that were in the old Packages file but not in the
# new one anymore
sort "$rootdir/oldaptnames" > "$rootdir/tmp"
mv "$rootdir/tmp" "$rootdir/oldaptnames"
sort "$rootdir/newaptnames" > "$rootdir/tmp"
mv "$rootdir/tmp" "$rootdir/newaptnames"
comm -23 "$rootdir/oldaptnames" "$rootdir/newaptnames" | xargs --delimiter="\n" --no-run-if-empty rm
# now the apt cache should be empty
if [ ! -z "$(ls -1qA "$rootdir/var/cache/apt/archives/")" ]; then
echo "/var/cache/apt/archives not empty"
exit 1
fi
rm -r "$rootdir"
done
done

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