bc4318dca3
Omahaproxy got an overhaul and thus doesn't give CSV output on the main URL anymoare. We're switching to /all for now and may want to refine this to only what we're exactly looking for, but for now it fixes the updater. Signed-off-by: aszlig <aszlig@redmoonstudios.org>
114 lines
2.5 KiB
Bash
Executable file
114 lines
2.5 KiB
Bash
Executable file
#!/bin/sh
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channels_url="http://omahaproxy.appspot.com/all?csv=1";
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bucket_url="http://commondatastorage.googleapis.com/chromium-browser-official/";
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output_file="$(cd "$(dirname "$0")" && pwd)/sources.nix";
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nix_getattr()
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{
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input_file="$1";
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attr="$2";
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var="$(nix-instantiate --eval-only -A "$attr" "$output_file")";
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echo "$var" | tr -d '\\"';
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}
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### poor mans key/value-store :-) ###
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ver_sha_table=""; # list of version:sha256
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sha_lookup()
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{
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version="$1";
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for ver_sha in $ver_sha_table;
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do
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if [ "x${ver_sha%:*}" = "x$version" ];
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then
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echo "${ver_sha##*:}";
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return 0;
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fi;
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done;
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return 1;
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}
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sha_insert()
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{
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version="$1";
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sha256="$2";
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ver_sha_table="$ver_sha_table $version:$sha256";
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}
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if [ -e "$output_file" ];
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then
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get_sha256()
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{
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channel="$1";
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version="$2";
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url="$3";
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oldver="$(nix_getattr "$output_file" "$channel.version")";
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echo -n "Checking if $oldver ($channel) is up to date..." >&2;
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if [ "x$version" != "x$oldver" ];
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then
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echo " no, getting sha256 for new version $version:" >&2;
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sha256="$(nix-prefetch-url "$url")";
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else
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echo " yes, keeping old sha256." >&2;
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sha256="$(nix_getattr "$output_file" "$channel.sha256")";
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fi;
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sha_insert "$version" "$sha256"
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echo "$sha256";
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}
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else
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get_sha256()
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{
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nix-prefetch-url "$url";
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}
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fi;
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get_channel_exprs()
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{
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for chline in $(echo "$1" | cut -d, -f-2);
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do
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channel="${chline%%,*}";
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version="${chline##*,}";
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url="${bucket_url%/}/chromium-$version.tar.bz2";
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echo -n "Checking if sha256 of version $version is cached..." >&2;
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if sha256="$(sha_lookup "$version")";
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then
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echo " yes: $sha256" >&2;
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else
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echo " no." >&2;
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sha256="$(get_sha256 "$channel" "$version" "$url")";
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fi;
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sha_insert "$version" "$sha256";
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echo " $channel = {";
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echo " version = \"$version\";";
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echo " url = \"$url\";";
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echo " sha256 = \"$sha256\";";
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echo " };";
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done;
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}
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cd "$(dirname "$0")";
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omaha="$(curl -s "$channels_url")";
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versions="$(echo "$omaha" | sed -n -e 's/^linux,\(\([^,]\+,\)\{2\}\).*$/\1/p')";
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channel_exprs="$(get_channel_exprs "$versions")";
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cat > "$output_file" <<-EOF
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# This file is autogenerated from update.sh in the same directory.
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{
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$channel_exprs
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}
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EOF
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