ntfy : ajout script update

podman-ntfy/50_update.sh

@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+
+ABSDIR="$( dirname "$(realpath -s -- "$0")" )"
+source ${ABSDIR}/../functions.sh
+source ${ABSDIR}/vars.sh
+
+ensure_pwd_is_scriptdir
+ensure_not_root
+
+ensure_container_exists ${container_name}
+ensure_variables_are_defined "$envvars"
+
+upstream_version=${ntfy_version}
+current_version=$(podman container inspect -f '{{.ImageName}}' ${container_name} | awk -F: '{print $NF}')
+current_image=$(podman container inspect -f '{{.ImageName}}' ${container_name} | awk -F: '{print $1}')
+
+reinstall_please () {
+    if ! podman image exists ${ntfy_image}:${upstream_version}; then
+	podman image pull ${ntfy_image}:${upstream_version} || exit 1
+    fi &&
+    check_container_running ${container_name} && ./40_stop.sh
+    ./70_disable.sh && \
+    ./80_destroy.sh && \
+    ./10_install.sh && \
+    ./20_enable.sh && \
+    ./30_start.sh
+}
+
+cleanup_images () {
+    echo "Remove ${current_version} images?"
+    select yn in "Yes" "No"; do
+	case $yn in
+	    Yes)
+		podman rmi ${current_image}:${current_version}
+		exit 0
+		;;
+	    No)
+		exit 0
+		;;
+	esac
+    done
+}
+
+if [ ${current_version} != ${upstream_version} ]; then
+    if [[ "${current_version}" > "${upstream_version}" ]]; then
+	echo "WARNING : you are about to DOWNGRADE your installation"
+    fi
+    echo "Migrating from ${current_version} to ${upstream_version}. Proceed?"
+    select yn in "Yes" "No"; do
+	case $yn in
+	    Yes)
+		reinstall_please && \
+		cleanup_images
+		exit 0
+		;;
+	    No)
+		exit 0
+		;;
+	esac
+	done
+else
+    echo "Already using version ${ntfy_version}. Exiting."
+fi