$ git clone -n https://src.fedoraproject.org/rpms/observable.git /var/lib/mock/f45-build-50048-887/root/chroot_tmpdir/scmroot/observable
Cloning into '/var/lib/mock/f45-build-50048-887/root/chroot_tmpdir/scmroot/observable'...
$ git fetch origin 851b41e25d5d67a1f640a487c1a7889902106db5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/observable
 * [new ref]         851b41e25d5d67a1f640a487c1a7889902106db5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 851b41e Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild