privateUpdate():

Make sure opkg-commands re executed aunder certain error conditions:

	Failure of customerEnvironment(), filesToUpdate() or
	syncCustomerRepositoryAndFS().

UpdatePTUDevCtrl/git/git_client.cpp

@@ -420,10 +420,17 @@ std::optional<QString> GitClient::gitPull() {
         X11 forwarding is disabled to avoid man-in-the-middle attacks.
         Already up to date.
 
-        This first part is from ssh itself, and could not be fetched easily, as this
-        process is gone when git itself starts.
+        This first part is from ssh itself. Only the last line is the git message.
 
-        Only the last line is the git message.
+        Here an output of running ATBUpdateTool with a corrupted known-hosts-file:
+
+        ...
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: ( branchExistsRemotely : 310 ) branch "zg1/zone1" EXISTS REMOTELY. ( "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r\n@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @\r\n@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r\nIT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!\r\nSomeone could be eavesdropping on you right now (man-in-the-middle attack)!\r\nIt is also possible that a host key has just been changed.\r\nThe fingerprint for the ECDSA key sent by the remote host is\nSHA256:vOD5jF2hglGktqLhK9ABxfEjwEgIK68/v9erdT05NDQ.\r\nPlease contact your system administrator.\r\nAdd correct host key in /home/root/.ssh/known_hosts to get rid of this message.\r\nOffending ECDSA key in /home/root/.ssh/known_hosts:1\r\nPassword authentication is disabled to avoid man-in-the-middle attacks.\r\nKeyboard-interactive authentication is disabled to avoid man-in-the-middle attacks.\r\nAgent forwarding is disabled to avoid man-in-the-middle attacks.\r\nX11 forwarding is disabled to avoid man-in-the-middle attacks.\r\nbd4e8da4780b1a7d6be3d3ce8419f43ccf7e706f\trefs/heads/zg1/zone1" )
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: EXECUTED "git branch -l" "(runtime 16ms)" with code 0 IN "/opt/app/tools/atbupdate/customer_336"
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: "UPDATE_STEP::PULL_NEW_BRANCH"
+        Oct 23 14:18:18 ATB_PTU5 ATBUpdateTool[2696]: "BRANCH-NAME zg1/zone1 CONTAINED IN RESULT master\n* zg1/zone1" .....
+
+        The download continues.
 #endif
         Command c("git pull");
         if (c.execute(m_customerRepository)) {

UpdatePTUDevCtrl/worker.cpp

@@ -456,6 +456,14 @@ void Worker::privateUpdate() {
     //
     ////////////////////////////////////////////////////////////////////////////
     if ((continueUpdate = customerEnvironment()) == false) {
+        // even if something goes wrong creating the environment, try to execute
+        // opkg_commands
+        if (QDir(m_customerRepository).exists()) {
+            // always execute contents of opkg_commands-file
+            m_filesToUpdate.clear();
+            m_filesToUpdate << "etc/psa_update/opkg_commands";
+            execOpkgCommands();
+        }
         return;
     }
     m_versionInfo = m_gc.gitShowReason(m_branchName);
@@ -470,6 +478,14 @@ void Worker::privateUpdate() {
     //
     ////////////////////////////////////////////////////////////////////////////
     if ((continueUpdate = filesToUpdate()) == false) {
+        // even if something goes wrong in filesToUpdate, try to execute
+        // opkg_commands
+        if (QDir(m_customerRepository).exists()) {
+            // always execute contents of opkg_commands-file
+            m_filesToUpdate.clear();
+            m_filesToUpdate << "etc/psa_update/opkg_commands";
+            execOpkgCommands();
+        }
         return;
     }
     m_versionInfo = m_gc.gitShowReason(m_branchName);
@@ -483,6 +499,14 @@ void Worker::privateUpdate() {
     //
     ////////////////////////////////////////////////////////////////////////////
     if ((continueUpdate = syncCustomerRepositoryAndFS()) == false) {
+        // even if something goes wrong with rsync, try to execute
+        // opkg_commands
+        if (QDir(m_customerRepository).exists()) {
+            // always execute contents of opkg_commands-file
+            m_filesToUpdate.clear();
+            m_filesToUpdate << "etc/psa_update/opkg_commands";
+            execOpkgCommands();
+        }
         return;
     }
     lst = QStringList(QString(smap[UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY_SUCCESS]));