$ git clone -n https://src.fedoraproject.org/rpms/Coin3.git /var/lib/mock/f40-build-2262004-54463/root/chroot_tmpdir/scmroot/Coin3
Cloning into '/var/lib/mock/f40-build-2262004-54463/root/chroot_tmpdir/scmroot/Coin3'...
$ git fetch origin fb1fa26b121faaaee37ec9cd6a8b310bea230d6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Coin3
 * [new ref]         fb1fa26b121faaaee37ec9cd6a8b310bea230d6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb1fa26 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild