$ git clone -n https://src.fedoraproject.org/rpms/modem-manager-gui.git /var/lib/mock/f39-build-1560510-37340/root/chroot_tmpdir/scmroot/modem-manager-gui
Cloning into '/var/lib/mock/f39-build-1560510-37340/root/chroot_tmpdir/scmroot/modem-manager-gui'...
$ git fetch origin dd93abfff065c6314dcdc36031944d9c20bee564:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/modem-manager-gui
 * [new ref]         dd93abfff065c6314dcdc36031944d9c20bee564 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd93abf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild