$ git clone -n https://src.fedoraproject.org/rpms/libecpint.git /var/lib/mock/f40-build-786054-134151/root/chroot_tmpdir/scmroot/libecpint
Cloning into '/var/lib/mock/f40-build-786054-134151/root/chroot_tmpdir/scmroot/libecpint'...
$ git fetch origin fe384709a7baaa0b7ba6d3c760d7fd75c29fe079:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libecpint
 * [new ref]         fe384709a7baaa0b7ba6d3c760d7fd75c29fe079 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe38470 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild