$ git clone -n https://src.fedoraproject.org/rpms/pbzip2.git /var/lib/mock/f40-build-2301039-56759/root/chroot_tmpdir/scmroot/pbzip2
Cloning into '/var/lib/mock/f40-build-2301039-56759/root/chroot_tmpdir/scmroot/pbzip2'...
$ git fetch origin c5792e5e4563ab4614f32c8944ea8b09bdb87cb6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pbzip2
 * [new ref]         c5792e5e4563ab4614f32c8944ea8b09bdb87cb6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5792e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild