CI: adopt NetworkManager to call 'configure'

Author: slyon

.github/workflows/network-manager.yml

@@ -66,8 +66,10 @@ jobs:
       - name: Run autopkgtest
         run: |
           pull-lp-source network-manager noble
+          cd network-manager*/
+          patch src/core/settings/plugins/keyfile/nms-keyfile-utils.c ../.github/workflows/nm-netplan-configure.diff
           sudo autopkgtest -U \
             --copy=debian/artifacts:/root/ --setup-commands='dpkg -i /root/*.deb' \
             --env=DEB_BUILD_OPTIONS=nocheck \
             --apt-pocket=proposed=src:network-manager \
-            network-manager_*.dsc -- lxd autopkgtest/ubuntu/noble/amd64 || test $? -eq 2  # allow for skipped tests (exit code = 2)
+            . -- lxd autopkgtest/ubuntu/noble/amd64 || test $? -eq 2  # allow for skipped tests (exit code = 2)

.github/workflows/nm-netplan-configure.diff

@@ -0,0 +1,13 @@
+diff --git a/src/core/settings/plugins/keyfile/nms-keyfile-utils.c b/src/core/settings/plugins/keyfile/nms-keyfile-utils.c
+index a91ee6997..5135aed4c 100644
+--- a/src/core/settings/plugins/keyfile/nms-keyfile-utils.c
++++ b/src/core/settings/plugins/keyfile/nms-keyfile-utils.c
+@@ -408,7 +408,7 @@ generate_netplan(const char* rootdir)
+      * finding a way to pass the --root-dir parameter via DBus, to make it work
+      * inside NM's unit-tests where netplan needs to read & generate outside of
+      * /etc/netplan and /run/{systemd,NetworkManager} */
+-    const gchar *argv[] = { "netplan", "generate", NULL , NULL, NULL };
++    const gchar *argv[] = { "/usr/libexec/netplan/configure", NULL , NULL, NULL };
+     if (rootdir) {
+         argv[2] = "--root-dir";
+         argv[3] = rootdir;