$ git clone -n https://src.fedoraproject.org/rpms/dolphin.git /var/lib/mock/f40-build-2344144-59898/root/chroot_tmpdir/scmroot/dolphin
Cloning into '/var/lib/mock/f40-build-2344144-59898/root/chroot_tmpdir/scmroot/dolphin'...
$ git fetch origin fb4a7c4e155de8fad2a1585b6ec4861463c73301:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dolphin
 * [new ref]         fb4a7c4e155de8fad2a1585b6ec4861463c73301 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb4a7c4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild