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|
#!/bin/bash
mirror_base='/srv/arch-mirror/arch/arch/merged'
cache_file='/tmp/packages'
if [ ! -f '/tmp/packages' ]; then
packages=$(
ssh -p 22222 makepkg@141.35.51.219 '
find -L "'"${mirror_base}"'" \
-path '"'"'*testing/os/x86_64'"'"' \
-prune \
, \
-name '"'"'*staging'"'"' \
-prune \
, \
-name '"'"'any'"'"' \
-prune \
, \
-name '"'"'*.db.tar.gz'"'"' \
-printf '"'"'%%DBNAME%%\n%p\n\n'"'"' \
-exec bsdtar -Oxf {} \; 2>/dev/null
' \
| sed -n '
/^%\(DBNAME\|NAME\|VERSION\|DEPENDS\|PROVIDES\)%$/,/^$/p
' \
| sed '
/^%NAME%$/ i %DUMP%
$ a %DUMP%
' \
| while read -r line; do
if [ "${line}" = '%DBNAME%' ]; then
read -r dbname
read -r dummy
if [ -n "${dummy}" ]; then
>&2 printf 'Syntax error: %s\n' "${line}"
exit 1
fi
continue
fi
if [ "${line}" = '%NAME%' ]; then
read -r name
read -r dummy
if [ -n "${dummy}" ]; then
>&2 printf 'Syntax error: %s\n' "${line}"
exit 1
fi
continue
fi
if [ "${line}" = '%VERSION%' ]; then
read -r version
read -r dummy
if [ -n "${dummy}" ]; then
>&2 printf 'Syntax error: %s\n' "${line}"
exit 1
fi
continue
fi
if [ "${line}" = '%PROVIDES%' ]; then
while read -r provides; do
if [ -z "${provides}" ]; then
break
fi
printf 'provides %s %s %s %s\n' \
"${dbname}" \
"${name}" \
"${version}" \
"${provides}"
done
continue
fi
if [ "${line}" = '%DEPENDS%' ]; then
while read -r depends; do
if [ -z "${depends}" ]; then
break
fi
printf 'depends %s %s %s %s\n' \
"${dbname}" \
"${name}" \
"${version}" \
"${depends}"
done
continue
fi
if [ "${line}" = '%DUMP%' ]; then
if [ -n "${name}" ]; then
printf 'provides %s %s %s %s=%s\n' \
"${dbname}" \
"${name}" \
"${version}" \
"${name}" \
"${version}"
fi
continue
fi
>&2 printf 'Syntax error: %s\n' "${line}"
exit 1
done \
| sed '
s/\([<>=]\S\+\)-\S\+$/\1/
' \
| sed '
s,^\(\S\+ \)\S\+/\([^/[:space:]]\+\)/\([^/[:space:]]\+\)\.db\.tar\.gz ,\1\2 \3 ,
s/\([<=>]\S\+\)\?$/ \1/
' \
| sed '
s/ $/ X X/
t
s/\([<>]=\)\(\S\+\)$/\1 \2/
t
s/\([<>=]\)\(\S\+\)$/\1 \2/
t
w /dev/stderr
' \
| tee "${cache_file}"
)
else
packages=$(cat "${cache_file}")
fi
matched_dependencies=$(
join -1 1 -2 3 -o 1.1,2.1,2.2,2.5,1.3,2.4,1.2 <(
printf '%s\n' "${packages}" \
| sed -n '
s/^provides \(\S\+\) \(\S\+ \)\{3\}/\1:/
T
p
' \
| sort -k1,1
# arch:install_target [=X] required_version
) <(
printf '%s\n' "${packages}" \
| sed -n '
s/^depends \(\S\+\) archlinuxewe \(\S\+\) \(\S\+\) /\2 \3 \1:/
T
p
' \
| sort -k3,3
# provider_name provider_version arch:install_target version_comparison provided_version
)
)
# arch:install_target depender_name depender_version required_version
# provided_version required_version_comparison provided_version_comparison
version_comparisons=$(
printf '%s\n' "${matched_dependencies}" \
| grep -v ' X\( \S\+\)\?$' \
| cut -d' ' -f4,5 \
| sort -u
)
# required_version provided_version
version_comparisons=$(
join -j 1 -o 1.2,2.2,2.3 \
<(
printf '%s\n' "${version_comparisons}" \
| tr ' ' '\n' \
| parallel -j100 -L2 vercmp \
| cat -n
) <(
printf '%s\n' "${version_comparisons}" \
| cat -n
) \
| sed '
s/ \(\S\+\) \(\S\+\)$/ \1<->\2/
' \
| sed '
s/^-\S\+ /-1 /
t
/^0 /b
s/^\S\+ /1 /
'
)
# (-1|0|1) required_version<->provided_version
version_comparisons=$(
{
join -1 4 -2 2 <(
printf '%s\n' "${matched_dependencies}" \
| sed '
s/ \(\S\+\) \(\S\+ \S\+ \S\+\)$/ \1<->\2/
' \
| sort -k4,4
) <(
printf '%s\n' "${version_comparisons}" \
| sort -k2,2
) \
| grep ' >=\? \S\+ -1$\| [<>]\?= \S\+ 0$\| <=\? \S\+ 1$' \
| sed '
s/^\(\S\+\)<->\S\+ /\1 /
' \
| awk '{print $2" "$3" "$4" "$1" "$5}'
printf '%s\n' "${matched_dependencies}" \
| grep ' X\( \S\+\)\?$' \
| awk '{print $1" "$2" "$3" "$4" "$6}'
}
)
# arch:install_target depender_name depender_version required_version required_version_comparison
{
printf '%s\n' "${matched_dependencies}" \
| awk '{print $1" "$2" "$3" "$4" "$6}'
printf '%s\n' "${version_comparisons}" \
| sed p
} \
| sort \
| uniq -u \
| sed 's/^\(\S\+\):\(\S\+\) /\1 \2 /' \
| while read -r arch install_target depender_name depender_version required_version required_version_comparison; do
printf '%s %s (%s) needs %s' \
"${depender_name}" \
"${depender_version}" \
"${arch}" \
"${install_target}"
if [ "${required_version_comparison}" != 'X' ]; then
printf '%s%s' \
"${required_version_comparison}" \
"${required_version}"
fi
printf '\n'
done \
| sort
|
