nixpkgs/pkgs/servers/web-apps/hedgedoc/update.sh

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#!/usr/bin/env nix-shell
#!nix-shell -I nixpkgs=../../../../ -i bash -p nix wget prefetch-yarn-deps nix-prefetch-github
if [ "$#" -gt 1 ] || [[ "$1" == -* ]]; then
echo "Regenerates packaging data for the element packages."
echo "Usage: $0 [git release tag]"
exit 1
fi
version="$1"
set -euo pipefail
if [ -z "$version" ]; then
version="$(wget -O- "https://api.github.com/repos/hedgedoc/hedgedoc/releases?per_page=1" | jq -r '.[0].tag_name')"
fi
src="https://raw.githubusercontent.com/hedgedoc/hedgedoc/$version"
wget "$src/package.json" -O package.json
wget "$src/yarn.lock" -O yarn.lock
sed 's;midi "https://github\.com/paulrosen/MIDI\.js\.git;midi "git+https://github.com/paulrosen/MIDI.js.git;g' -i yarn.lock
src_hash=$(nix-prefetch-github hedgedoc hedgedoc --rev ${version} | jq -r .sha256)
yarn_hash=$(prefetch-yarn-deps yarn.lock)
cat > pin.json << EOF
{
"version": "$version",
"srcHash": "$src_hash",
"yarnHash": "$yarn_hash"
}
EOF