optimize backrest

ct/backrest.sh

@@ -34,18 +34,23 @@ function update_script() {
     msg_ok "Stopped ${APP}"
 
     msg_info "Updating ${APP} to ${RELEASE}"
-    cd /opt/backrest/bin
-    curl -fsSL "https://github.com/garethgeorge/backrest/releases/download/v${RELEASE}/backrest_Linux_x86_64.tar.gz" -o "backrest_Linux_x86_64.tar.gz"
-    tar -xzf backrest_Linux_x86_64.tar.gz
-    rm -rf backrest_Linux_x86_64.tar.gz
-    rm -f install.sh uninstall.sh
-    chmod +x backrest
+    temp_file=$(mktemp)
+    rm -f /opt/backrest/bin/backrest
+    curl -fsSL "https://github.com/garethgeorge/backrest/releases/download/v${RELEASE}/backrest_Linux_x86_64.tar.gz" -o "$temp_file"
+    tar zxf "$temp_file" --strip-components=1 -C /opt/backrest/bin
+    chmod +x /opt/backrest/bin/backrest
     echo "${RELEASE}" >/opt/${APP}_version.txt
     msg_ok "Updated ${APP} to ${RELEASE}"
 
     msg_info "Starting ${APP}"
     systemctl start backrest
     msg_ok "Started ${APP}"
+
+    msg_info "Cleaning up"
+    rm -f "$temp_file"
+    apt-get -y autoremove
+    apt-get -y autoclean
+    msg_ok "Cleaned up"
     msg_ok "Updated Successfully"
   else
     msg_ok "No update required. ${APP} is already at ${RELEASE}"

install/backrest-install.sh

@@ -15,11 +15,11 @@ update_os
 
 msg_info "Installing Backrest"
 RELEASE=$(curl -fsSL https://api.github.com/repos/garethgeorge/backrest/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4) }')
+temp_file=$(mktemp)
 mkdir -p /opt/backrest/{bin,config,data}
-cd /opt/backrest/bin
-curl -fsSL "https://github.com/garethgeorge/backrest/releases/download/v${RELEASE}/backrest_Linux_x86_64.tar.gz" -o "backrest_Linux_x86_64.tar.gz"
-tar -xzf backrest_Linux_x86_64.tar.gz
-chmod +x backrest
+curl -fsSL "https://github.com/garethgeorge/backrest/releases/download/v${RELEASE}/backrest_Linux_x86_64.tar.gz" -o "$temp_file"
+tar zxf "$temp_file" --strip-components=1 -C /opt/backrest/bin
+chmod +x /opt/backrest/bin/backrest
 echo "${RELEASE}" >/opt/${APPLICATION}_version.txt
 msg_ok "Installed Backrest"
 
@@ -48,8 +48,7 @@ motd_ssh
 customize
 
 msg_info "Cleaning up"
+rm -f "$temp_file"
 $STD apt-get -y autoremove
 $STD apt-get -y autoclean
-rm -rf backrest_Linux_x86_64.tar.gz
-rm -f install.sh uninstall.sh
 msg_ok "Cleaned"

misc/tools.func

@@ -32,6 +32,15 @@ install_node_and_modules() {
     NEED_NODE_INSTALL=true
   fi
 
+  if ! command -v jq &>/dev/null; then
+    $STD msg_info "Installing jq..."
+    $STD apt-get update -qq &>/dev/null
+    $STD apt-get install -y jq &>/dev/null || {
+      msg_error "Failed to install jq"
+      return 1
+    }
+  fi
+
   # Install Node.js if required
   if [[ "$NEED_NODE_INSTALL" == true ]]; then
     $STD apt-get purge -y nodejs