$ git clone -n https://src.fedoraproject.org/rpms/qimageblitz.git /var/lib/mock/f39-build-1499133-34743/root/chroot_tmpdir/scmroot/qimageblitz
Cloning into '/var/lib/mock/f39-build-1499133-34743/root/chroot_tmpdir/scmroot/qimageblitz'...
$ git fetch origin ebbec8ae9f8dd63a4249bbe5c5ef82a011983d71:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qimageblitz
 * [new ref]         ebbec8ae9f8dd63a4249bbe5c5ef82a011983d71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ebbec8a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild