hippocampus: dawarich update fixer

machines/hippocampus/servers/public/dawarich/default.nix

@@ -0,0 +1 @@
+./package.nix

machines/hippocampus/servers/public/dawarich/update.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i bash -p bundix curl jq nix-update nix-prefetch-github prefetch-npm-deps gnused
+set -e
+set -o pipefail
+
+OWNER="Freika"
+REPO="dawarich"
+
+old_version=$( cat sources.json | jq  ".version" | tr -d '"')
+version=$(curl -s ${GITHUB_TOKEN:+-u ":$GITHUB_TOKEN"} "https://api.github.com/repos/$OWNER/$REPO/releases/latest" | jq -r ".tag_name")
+
+echo "Updating to $version"
+
+if [[ "$old_version" == "$version" ]]; then
+    echo "Already up to date!"
+    exit 0
+fi
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
+
+echo "Fetching source code $REVISION"
+JSON=$(nix-prefetch-github "$OWNER" "$REPO" --rev "refs/tags/$version" 2>/dev/null)
+HASH=$(echo "$JSON" | jq -r .hash)
+
+cat > "$SCRIPT_DIR/sources.json" << EOF
+{
+  "version": "$version",
+  "hash": "$HASH",
+  "npmHash": "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
+}
+EOF
+
+SOURCE_DIR="$(nix-build --no-out-link -A dawarich.src)"
+
+echo "Creating gemset.nix"
+bundix --lockfile="$SOURCE_DIR/Gemfile.lock" --gemfile="$SOURCE_DIR/Gemfile" --gemset="$SCRIPT_DIR/gemset.nix"
+nixfmt "$SCRIPT_DIR/gemset.nix"
+
+NPM_HASH="$(prefetch-npm-deps "$SOURCE_DIR/package-lock.json" 2>/dev/null)"
+sed -i "s;sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=;$NPM_HASH;g" "$SCRIPT_DIR/sources.json"