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chromium/updater: Fall back to previous version.

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This is especially annoying for the dev channel, as it happens quite frequently
that tarballs are unavailable. So if fetching the latest version doesn't work,
try the second latest version.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This commit is contained in:
aszlig
2013-06-14 13:24:40 +02:00
parent 8cf68e5645
commit 5a6242a401
1 changed files with 18 additions and 6 deletions
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24
pkgs/applications/networking/browsers/chromium/update.sh
View File

@@ -56,30 +56,36 @@ then
if [ "x$version" != "x$oldver" ];
then
echo " no, getting sha256 for new version $version:" >&2;
sha256="$(nix-prefetch-url "$url")";
sha256="$(nix-prefetch-url "$url")" || return 1;
else
echo " yes, keeping old sha256." >&2;
sha256="$(nix_getattr "$output_file" "$channel.sha256")";
sha256="$(nix_getattr "$output_file" "$channel.sha256")" \
|| return 1;
fi;
sha_insert "$version" "$sha256";
echo "$sha256";
return 0;
}
else
get_sha256()
{
nix-prefetch-url "$url";
nix-prefetch-url "$3";
}
fi;
get_channel_exprs()
{
for chline in $(echo "$1" | cut -d, -f-2);
for chline in $1;
do
channel="${chline%%,*}";
version="${chline##*,}";
versions="${chline#*,}";
version="${versions%%,*}";
previous="${versions##*,}";
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 "$version")";
@@ -88,6 +94,12 @@ get_channel_exprs()
else
echo " no." >&2;
sha256="$(get_sha256 "$channel" "$version" "$url")";
if [ $? -ne 0 ];
then
echo "Whoops, failed to fetch $version, trying previous" \
"version $previous:" >&2;
sha256="$(get_sha256 "$channel" "$previous" "$prevurl")";
fi;
fi;
sha_insert "$version" "$sha256";
@@ -103,7 +115,7 @@ get_channel_exprs()
cd "$(dirname "$0")";
omaha="$(curl -s "$channels_url")";
versions="$(echo "$omaha" | sed -n -e 's/^linux,\(\([^,]\+,\)\{2\}\).*$/\1/p')";
versions="$(echo "$omaha" | sed -nr -e 's/^linux,(([^,]+,){2}[^,]+).*$/\1/p')";
channel_exprs="$(get_channel_exprs "$versions")";
cat > "$output_file" <<-EOF