chore: restore package watcher

- auto review PR to merge if the build goes well

script/actions_utils/timestamp_check_compiler_package_update_container.sh

@@ -0,0 +1,93 @@
+#!/bin/bash -e
+
+set -e
+
+FILE=
+COMPILER_RELEASE_ENDPOINT_URL=
+ENV_IMG_ENDPOINT_URL=
+TOKEN=
+ENV_DOCKERFILE=./docker/Dockerfile.concretefhe-env
+GITHUB_ENV_FILE=debug.txt
+
+while [ -n "$1" ]
+do
+   case "$1" in
+        "--file" )
+          shift
+          FILE="$1"
+          ;;
+
+        "--compiler-release-endpoint-url" )
+            shift
+            COMPILER_RELEASE_ENDPOINT_URL="$1"
+            ;;
+
+        "--env_img_url" )
+            shift
+            ENV_IMG_ENDPOINT_URL="$1"
+            ;;
+
+        "--token" )
+            shift
+            TOKEN="$1"
+            ;;
+
+        "--github-env")
+            shift
+            GITHUB_ENV_FILE="$1"
+            ;;
+
+        *)
+            echo "Unknown param : $1"
+            exit 1
+            ;;
+   esac
+   shift
+done
+
+ENV_JSON=$(curl \
+-X GET \
+-H "Accept: application/vnd.github.v3+json" \
+-H "Authorization: token ${TOKEN}" \
+"${ENV_IMG_ENDPOINT_URL}")
+
+LATEST_ENV_IMG_JSON=$(echo "${ENV_JSON}" | \
+jq -rc '.[] | select(.metadata.container.tags[] | contains("latest"))')
+
+RELEASE_JSON=$(curl -H "Authorization: token ${TOKEN}" \
+-H "Accept: application/vnd.github.v3.raw" \
+"${COMPILER_RELEASE_ENDPOINT_URL}" | jq '.[0]')
+
+echo "Release json:"
+echo "${RELEASE_JSON}"
+
+ASSET_JSON=$(echo "${RELEASE_JSON}" | jq ".assets | map(select(.name | contains(\"${FILE}\")))[0]")
+
+echo "Asset json:"
+echo "${ASSET_JSON}"
+
+LATEST_ENV_IMG_TIMESTAMP=$(echo "${LATEST_ENV_IMG_JSON}" | jq -r '.updated_at')
+LATEST_COMPILER_PACKAGE_TIMESTAMP=$(echo "${ASSET_JSON}" | jq -r '.updated_at')
+
+echo "Latest env image timestamp: ${LATEST_ENV_IMG_TIMESTAMP}"
+echo "Latest compiler package timestamp: ${LATEST_COMPILER_PACKAGE_TIMESTAMP}"
+
+LATEST_ENV_IMG_EPOCH=$(date -d "${LATEST_ENV_IMG_TIMESTAMP}" +%s)
+LATEST_COMPILER_PACKAGE_EPOCH=$(date -d "${LATEST_COMPILER_PACKAGE_TIMESTAMP}" +%s)
+
+echo "Latest env image epoch: ${LATEST_ENV_IMG_EPOCH}"
+echo "Latest compiler package epoch: ${LATEST_COMPILER_PACKAGE_EPOCH}"
+
+if [[ "${LATEST_COMPILER_PACKAGE_EPOCH}" -gt "${LATEST_ENV_IMG_EPOCH}" ]]; then
+    echo "Env image out of date, sending rebuild request."
+    TMP_DOCKER_FILE="$(mktemp)"
+    sed "s/\(# compiler timestamp: \)\(.*\)/\1${LATEST_COMPILER_PACKAGE_TIMESTAMP}/g" \
+        "${ENV_DOCKERFILE}" > "${TMP_DOCKER_FILE}"
+    cp -f "${TMP_DOCKER_FILE}" "${ENV_DOCKERFILE}"
+    rm -f "${TMP_DOCKER_FILE}"
+    echo "LATEST_COMPILER_PACKAGE_TIMESTAMP=${LATEST_COMPILER_PACKAGE_TIMESTAMP}" \
+    >> "${GITHUB_ENV_FILE}"
+    echo "New package timestamp: ${LATEST_COMPILER_PACKAGE_TIMESTAMP}"
+else
+    echo "Image up to date, nothing to do."
+fi