forked from josch/mmdebstrap
make_mirror.sh: security.d.o dropped the MD5sum field for SHA256 in Packages.gz
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1 changed files with 13 additions and 3 deletions
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@ -78,10 +78,20 @@ get_newaptnames() {
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if [ ! -e "$1/$2" ]; then
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return
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fi
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# skip empty files by trying to uncompress the first byte of the payload
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if [ "$(gzip -dc "$1/$2" | head -c1 | wc -c)" -eq 0 ]; then
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return
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fi
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gzip -dc "$1/$2" \
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| grep-dctrl --no-field-names --show-field=Package,Version,Architecture,Filename,MD5sum '' \
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| grep-dctrl --no-field-names --show-field=Package,Version,Architecture,Filename,SHA256 '' \
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| paste -sd " \n" \
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| while read name ver arch fname md5; do
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| while read name ver arch fname hash; do
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# sanity check for the hash because sometimes the
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# archive switches the hash algorithm
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if [ "${#hash}" -ne 64 ]; then
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echo "expected hash length of 64 but got ${#hash} for: $hash" >&2
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exit 1
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fi
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dir="${fname%/*}"
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# apt stores deb files with the colon encoded as %3a while
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# mirrors do not contain the epoch at all #645895
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@ -89,7 +99,7 @@ get_newaptnames() {
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aptname="$rootdir/var/cache/apt/archives/${name}_${ver}_${arch}.deb"
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if [ -e "$aptname" ]; then
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# make sure that we found the right file by checking its hash
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echo "$md5 $aptname" | md5sum --check >&2
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echo "$hash $aptname" | sha256sum --check >&2
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mkdir -p "$1/$dir"
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# since we move hardlinks around, the same hardlink might've been
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# moved already into the same place by another distribution.
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