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