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chromium/updater: Fetch more previous versions.

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Omahaproxy has an URL which lists a history of the published versions, which
allows to not only go back one versions, but several. Now it is ensured, that we
always have the latest _available_ version in sources.nix.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This commit is contained in:
aszlig 2013-06-14 14:10:47 +02:00
parent 5a6242a401
commit 872fb3e2ff
No known key found for this signature in database
GPG Key ID: D0EBD0EC8C2DC961
1 changed files with 30 additions and 8 deletions
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38
pkgs/applications/networking/browsers/chromium/update.sh
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@ -1,6 +1,7 @@
#!/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/";
output_file="$(cd "$(dirname "$0")" && pwd)/sources.nix";
@ -74,18 +75,34 @@ else
}
fi;
fetch_filtered_history()
{
curl -s "$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;
url="${bucket_url%/}/chromium-$version.tar.xz";
sha256="$(get_sha256 "$channel" "$version" "$url")" || continue;
echo "$sha256:$version:$url";
return 0;
done;
}
get_channel_exprs()
{
for chline in $1;
do
channel="${chline%%,*}";
versions="${chline#*,}";
version="${versions%%,*}";
previous="${versions##*,}";
version="${chline##*,}";
url="${bucket_url%/}/chromium-$version.tar.xz";
prevurl="${bucket_url%/}/chromium-$previous.tar.xz";
echo -n "Checking if sha256 of version $version is cached..." >&2;
if sha256="$(sha_lookup "$version")";
@ -97,8 +114,13 @@ get_channel_exprs()
if [ $? -ne 0 ];
then
echo "Whoops, failed to fetch $version, trying previous" \
"version $previous:" >&2;
sha256="$(get_sha256 "$channel" "$previous" "$prevurl")";
"versions:" >&2;
sha_ver_url="$(get_prev_sha256 "$channel" "$version")";
sha256="${sha_ver_url%%:*}";
ver_url="${sha_ver_url#*:}";
version="${ver_url%%:*}";
url="${ver_url#*:}";
fi;
fi;
@ -115,7 +137,7 @@ get_channel_exprs()
cd "$(dirname "$0")";
omaha="$(curl -s "$channels_url")";
versions="$(echo "$omaha" | sed -nr -e 's/^linux,(([^,]+,){2}[^,]+).*$/\1/p')";
versions="$(echo "$omaha" | sed -nr -e 's/^linux,([^,]+,[^,]+).*$/\1/p')";
channel_exprs="$(get_channel_exprs "$versions")";
cat > "$output_file" <<-EOF