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|
#!/bin/bash
export LC_ALL=C
if [ $# -eq 2 ]; then
dist="$1"
arch="$2"
else
dist='arch'
arch='x86_64'
fi
provided=$(mktemp --suffix=".${dist}.${arch}")
sources=(
"http://pkgcache.eckner.net/${dist}/${arch}/${dist}linuxewe/${dist}linuxewe.db.tar.gz"
)
if [ "${dist}" = 'arch' ]; then
sources+=(
"http://pkgcache.eckner.net/${dist}/${arch}/core/core.db.tar.gz"
"http://pkgcache.eckner.net/${dist}/${arch}/extra/extra.db.tar.gz"
)
else
sources+=(
"http://pkgcache.eckner.net/${dist}/${arch}/system/system.db.tar.gz"
"http://pkgcache.eckner.net/${dist}/${arch}/world/world.db.tar.gz"
"http://pkgcache.eckner.net/${dist}/${arch}/galaxy/galaxy.db.tar.gz"
)
fi
for i in "${!sources[@]}"; do
source="${sources["${i}"]}"
if [ -z "${source##*://*}" ]; then
curl -Ss "${source}" \
| bsdtar -Oxz
else
find "${sources["${i}"]}" -name '*.db' \
-exec bsdtar -Oxzf {} \; \
2>/dev/null
fi \
| sed -n '
/^%\(NAME\|VERSION\)%$/ {
N
s/\n/ /
p
}
/^%PROVIDES%$/,/^$/ {
/^[^%]/ p
}
' \
| sed -n '
s/^\(\S\+\)=\(\S\+\)-\(64\|32\)$/\2 \1/
T no_provides
p
d
:no_provides
/^%NAME%/ {
N
s/^%NAME% \(\S\+\)\n%VERSION% \(\S\+\)-\S\+$/\2 \1/
T
p
}
' \
| sed '
/^\(\S\+\) \1$/d
s/^/'"${i}"' /
'
done \
| sort -k3,3 -k1n,1 -k2Vr,2 \
| uniq -f2 \
| cut -d' ' -f2,3 \
>"${provided}"
printf '%s\n' "${provided}"
|
