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nixpkgs/pkgs/applications/networking/browsers/chromium/update.sh
aszlig ad770bea67
chromium: Move update.sh back into the main path.
This is to ensure that nothing unexpected will be after the merge of the
refactoring branch, and also my own autoupdate machinery is expecting
this location, so there really is no reason to change it now.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2014-04-20 17:45:25 +02:00

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#!/bin/sh
channels_url="http://omahaproxy.appspot.com/all?csv=1";
history_url="http://omahaproxy.appspot.com/history";
bucket_url="http://commondatastorage.googleapis.com/chromium-browser-official/";
base_path="$(cd "$(dirname "$0")" && pwd)/source";
source "$(nix-build --no-out-link "$base_path/update.nix" -A updateHelpers)";
### poor mans key/value-store :-) ###
ver_sha_table=""; # list of version:sha256
sha_lookup()
{
version="$1";
for ver_sha in $ver_sha_table;
do
if [ "x${ver_sha%:*}" = "x$version" ];
then
echo "${ver_sha##*:}";
return 0;
fi;
done;
return 1;
}
sha_insert()
{
version="$1";
sha256="$2";
ver_sha_table="$ver_sha_table $version:$sha256";
}
get_newest_ver()
{
versions="$(for v in $@; do echo "$v"; done)";
if oldest="$(echo "$versions" | sort -V 2> /dev/null | tail -n1)";
then
echo "$oldest";
else
echo "$versions" | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n | tail -n1;
fi;
}
fetch_filtered_history()
{
curl -s "$history_url" | sed -nr 's/^'"linux,$1"',([^,]+).*$/\1/p';
}
get_prev_sha256()
{
channel="$1";
current_version="$2";
for version in $(fetch_filtered_history "$channel");
do
[ "x$version" = "x$current_version" ] && continue;
sha256="$(get_sha256 "$channel" "$version")" || continue;
echo "$sha256:$version";
return 0;
done;
}
get_channel_exprs()
{
for chline in $1;
do
channel="${chline%%,*}";
version="${chline##*,}";
echo -n "Checking if sha256 of version $version is cached..." >&2;
if sha256="$(sha_lookup "$version")";
then
echo " yes: $sha256" >&2;
else
echo " no." >&2;
sha256="$(get_sha256 "$channel" "$version")";
if [ $? -ne 0 ];
then
echo "Whoops, failed to fetch $version, trying previous" \
"versions:" >&2;
sha_ver="$(get_prev_sha256 "$channel" "$version")";
sha256="${sha_ver%:*}";
version="${sha_ver#*:}";
fi;
fi;
sha_insert "$version" "$sha256";
main="${sha256%%.*}";
deb="${sha256#*.}";
deb32="${deb%.*}";
deb64="${deb#*.}";
echo " $channel = {";
echo " version = \"$version\";";
echo " sha256 = \"$main\";";
if [ "x${deb#*[a-z0-9].[a-z0-9]}" != "x$deb" ];
then
echo " sha256bin32 = \"$deb32\";";
echo " sha256bin64 = \"$deb64\";";
fi;
echo " };";
done;
}
cd "$(dirname "$0")";
omaha="$(curl -s "$channels_url")";
versions="$(echo "$omaha" | sed -nr -e 's/^linux,([^,]+,[^,]+).*$/\1/p')";
channel_exprs="$(get_channel_exprs "$versions")";
cat > "$base_path/sources.nix" <<-EOF
# This file is autogenerated from update.sh in the parent directory.
{
$channel_exprs
}
EOF