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|
#!/bin/bash
provided=$(mktemp)
if grep -qxF 'ID=arch' /etc/os-release; then
sources=(
/var/lib/pacman/sync
/mnt/archlinux/archlinux
/mnt/archlinux
)
sudo pacman -Sy >/dev/null || exit $?
else
>&2 echo 'currently does not reliably work on non-arch systems'
exit 1
sources=(
http://pkgcache.eckner.net/arch/x86_64/core/core.db.tar.gz
http://pkgcache.eckner.net/arch/x86_64/extra/extra.db.tar.gz
)
fi
for i in "${!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}"
|
