1 files changed, 56 insertions, 0 deletions
diff --git a/pkgs/servers/memos/update.sh b/pkgs/servers/memos/update.sh
new file mode 100755
index 0000000000000..f925f75bcd70e
--- /dev/null
+++ b/pkgs/servers/memos/update.sh
@@ -0,0 +1,56 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p nix wget nix-prefetch-github moreutils jq prefetch-npm-deps nodejs
+
+set -euo pipefail
+
+TARGET_VERSION_REMOTE=$(curl -s https://api.github.com/repos/usememos/memos/releases/latest | jq -r ".tag_name")
+TARGET_VERSION=${TARGET_VERSION_REMOTE#v}
+
+if [[ "$UPDATE_NIX_OLD_VERSION" == "$TARGET_VERSION" ]]; then
+  echo "memos is up-to-date: ${UPDATE_NIX_OLD_VERSION}"
+  exit 0
+fi
+
+extractVendorHash() {
+  original="${1?original hash missing}"
+  result="$(nix-build -A memos.go-modules 2>&1 | tail -n3 | grep 'got:' | cut -d: -f2- | xargs echo || true)"
+  [ -z "$result" ] && { echo "$original"; } || { echo "$result"; }
+}
+
+replaceHash() {
+  old="${1?old hash missing}"
+  new="${2?new hash missing}"
+  awk -v OLD="$old" -v NEW="$new" '{
+    if (i=index($0, OLD)) {
+      $0 = substr($0, 1, i-1) NEW substr($0, i+length(OLD));
+    }
+    print $0;
+  }' ./pkgs/servers/memos/default.nix | sponge ./pkgs/servers/memos/default.nix
+}
+
+# change version number
+sed -e "s/version =.*;/version = \"$TARGET_VERSION\";/g" \
+    -i ./pkgs/servers/memos/default.nix
+
+# update hash
+SRC_HASH="$(nix-instantiate --eval -A memos.src.outputHash | tr -d '"')"
+NEW_HASH="$(nix-prefetch-github usememos memos --rev v$TARGET_VERSION | jq -r .sha256)"
+
+replaceHash "$SRC_HASH" "$NEW_HASH"
+
+GO_HASH="$(nix-instantiate --eval -A memos.vendorSha256 | tr -d '"')"
+EMPTY_HASH="$(nix-instantiate --eval -A lib.fakeSha256 | tr -d '"')"
+replaceHash "$GO_HASH" "$EMPTY_HASH"
+replaceHash "$EMPTY_HASH" "$(extractVendorHash "$GO_HASH")"
+
+# update src yarn lock
+SRC_FILE_BASE="https://raw.githubusercontent.com/usememos/memos/v$TARGET_VERSION"
+
+trap 'rm -rf ./pkgs/servers/memos/package.json' EXIT
+pushd ./pkgs/servers/memos
+wget -q "$SRC_FILE_BASE/web/package.json"
+npm install --package-lock-only
+NPM_HASH=$(prefetch-npm-deps ./package-lock.json)
+popd
+
+sed -i -E -e "s#npmDepsHash = \".*\"#npmDepsHash = \"$NPM_HASH\"#" ./pkgs/servers/memos/default.nix