$ git clone -n https://src.fedoraproject.org/rpms/hydrapaper.git /var/lib/mock/f40-build-2599136-63010/root/chroot_tmpdir/scmroot/hydrapaper
Cloning into '/var/lib/mock/f40-build-2599136-63010/root/chroot_tmpdir/scmroot/hydrapaper'...
$ git fetch origin 8863c1bc6889016ab0da59edf04d1d7b067ee920:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hydrapaper
 * [new ref]         8863c1bc6889016ab0da59edf04d1d7b067ee920 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8863c1b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild