nixpkgs/pkgs/development/libraries/v8/update.sh
2017-09-24 11:37:29 +02:00

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#!/usr/bin/env nix-shell
#! nix-shell -i bash -p curl -p nix-prefetch-git
VERSION_OVERVIEW=https://omahaproxy.appspot.com/all?os=linux
TARGET_CHANNEL=beta
FILE_PATH=6_x.nix
set -eo pipefail
v8_version=$(curl -s "$VERSION_OVERVIEW" | awk -F "," "\$2 ~ /${TARGET_CHANNEL}/ { print \$11 }")
echo "Using V8 version --> $v8_version"
sed -e "s#\\(version = \\)\"[0-9\.]*\"#\1\"$v8_version\"#" -i ${FILE_PATH}
sha256=$(nix-prefetch-git --no-deepClone https://github.com/v8/v8.git "refs/tags/${v8_version}" \
| sed -ne '/sha256/ { s#.*: "\(.*\)".*#\1#; p }')
sed -e "/repo = \"v8\"/ { n;n; s#\".*\"#\"${sha256}\"# }" -i ${FILE_PATH}
deps="$(mktemp)"
curl -s -o "$deps" "https://raw.githubusercontent.com/v8/v8/${v8_version}/DEPS"
echo $deps
sed -ne '/= fetchgit {/ { s/.*"\(.*\)".*/\1/; p }' < ${FILE_PATH} | while read dep; do
echo "Processing dependency --> $dep"
escaped_dep=$(echo "$dep" | sed -e 's#/#\\/#g')
dep_rev=$(sed -ne "/\"v8\/${escaped_dep}\":/ { n; s#.*+ \"##; s#\".*##; p }" "$deps")
if [ "$dep_rev" = "" ]; then
echo "Failed to resolve dependency $dep, not listed in DEPS file"
rm -f "$deps"
exit 2
fi
repo_url=$(sed -ne "/\"${escaped_dep}\" = fetchgit/ { n; s/.*\"\(.*\)\".*/\1/; s#\${git_url}#https://chromium.googlesource.com#; p }" ${FILE_PATH})
sha256=$(nix-prefetch-git --no-deepClone "$repo_url" "$dep_rev" 2>/dev/null | sed -ne '/sha256/ { s#.*: "\(.*\)".*#\1#; p }')
if [ "$sha256" = "" ]; then
echo "Failed to get sha256 via nix-prefetch-git $repo_url $dep_rev"
rm -f "$deps"
exit 2
fi
sed -e "/\"${escaped_dep}\" = fetchgit/ { n; n; s/\".*\"/\"${dep_rev}\"/; n; s/\".*\"/\"${sha256}\"/ }" -i ${FILE_PATH}
done
rm -f "$deps"
echo done.