$ git clone -n https://src.fedoraproject.org/rpms/libgadu.git /var/lib/mock/f42-build-3272993-41309/root/chroot_tmpdir/scmroot/libgadu
Cloning into '/var/lib/mock/f42-build-3272993-41309/root/chroot_tmpdir/scmroot/libgadu'...
$ git fetch origin b49de1a6e0e717b787b6a3182189841e4759b36e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgadu
 * [new ref]         b49de1a6e0e717b787b6a3182189841e4759b36e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b49de1a Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild