void-packages/common/xbps-src/shutils/update_check.sh

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# vim: set ts=4 sw=4 et:
update_check() {
local i p url sfname lpname bbname githubname rx found_version consider
local update_override=$XBPS_SRCPKGDIR/$XBPS_TARGET_PKG/update
local original_pkgname=$pkgname
if [ -r $update_override ]; then
. $update_override
if [ "$XBPS_UPDATE_CHECK_VERBOSE" ]; then
echo "using $XBPS_TARGET_PKG/update overrides" 1>&2
fi
fi
if ! type curl >/dev/null 2>&1; then
echo "ERROR: cannot find \`curl' executable!"
return 1
fi
export LC_ALL=C
if [ -z "$site" ]; then
printf '%s\n' "$homepage"
for i in $distfiles; do
printf '%s\n' "${i%/*}/"
done
else
printf '%s\n' "$site"
fi |
while IFS= read -r url; do
rx=
if [ -z "$site" ]; then
case "$url" in
*sourceforge.net/sourceforge*)
sfname="$(printf %s "$url" | cut -d/ -f5)"
url="http://sourceforge.net/projects/$sfname/rss?limit=200";;
*code.google.com*|*googlecode*)
url="http://code.google.com/p/$pkgname/downloads/list";;
*launchpad.net*)
lpname="$(printf %s "$url" | cut -d/ -f4)"
url="https://launchpad.net/$lpname/+download";;
*cpan.*)
pkgname=${pkgname#perl-};;
*pythonhosted.org*)
pkgname=${pkgname#python-}
url="https://pypi.io/simple/$pkgname";;
*github.com*)
githubname="$(printf %s "$url" | cut -d/ -f4,5)"
url="https://github.com/$githubname/tags"
rx='/archive/(v?|\Q'"$pkgname"'\E-)?\K[\d\.]+(?=\.tar\.gz")';;
*bitbucket.org*)
bbname="$(printf %s "$url" | cut -d/ -f4,5)"
url="https://bitbucket.org/$bbname/downloads"
rx='/(get|downloads)/(v?|\Q'"$pkgname"'\E-)?\K[\d\.]+(?=\.tar\.gz")';;
*ftp.gnome.org*)
: ${pattern="\Q$pkgname\E-\K[0-9]\.[0-9]*[02468]\.[0-9.]*[0-9](?=)"}
url="http://ftp.gnome.org/pub/GNOME/sources/$pkgname/cache.json";;
*kernel.org/pub/linux/kernel/*)
rx=linux-'\K'${version%.*}'[\d.]+(?=\.tar\.xz)';;
*cran.r-project.org/src/contrib*)
rx='\b\Q'"${pkgname#R-cran-}"'\E_\K\d+(\.\d+)*(-\d+)?(?=\.tar)';;
esac
fi
rx=${pattern:-$rx}
rx=${rx:-'(?<!-)\b\Q'"$pkgname"'\E[-_]?((src|source)[-_])?\K([^-/_\s]*?\d[^-/_\s]*?)(?=(?:[-_.](?:src|source|orig))?\.(?:[jt]ar|shar|t[bglx]z|tbz2|zip))\b'}
if [ -n "$XBPS_UPDATE_CHECK_VERBOSE" ]; then
echo "fetching $url" 1>&2
fi
curl -A "xbps-src-update-check/$XBPS_SRC_VERSION" --max-time 10 -Lsk "$url" |
grep -Po -i "$rx"
done |
sort -Vu |
{
grep . || echo "NO VERSION found for $original_pkgname" 1>&2
} |
while IFS= read -r found_version; do
if [ -n "$XBPS_UPDATE_CHECK_VERBOSE" ]; then
echo "found version $found_version"
fi
consider=true
p="$ignore "
while [ -n "$p" ]; do
i=${p%% *}
p=${p#* }
case "$found_version" in
$i)
consider=false
if [ -n "$XBPS_UPDATE_CHECK_VERBOSE" ]; then
echo "ignored $found_version due to $i"
fi
esac
done
if $consider; then
xbps-uhelper cmpver "$original_pkgname-${version}_1" \
"$original_pkgname-$(printf %s "$found_version" | tr - .)_1"
if [ $? = 255 ]; then
echo "${original_pkgname}-${version} -> ${original_pkgname}-${found_version}"
fi
fi
done
}