$ git clone -n https://src.fedoraproject.org/rpms/python-ecdsa.git /var/lib/mock/f39-build-1549252-36895/root/chroot_tmpdir/scmroot/python-ecdsa
Cloning into '/var/lib/mock/f39-build-1549252-36895/root/chroot_tmpdir/scmroot/python-ecdsa'...
$ git fetch origin 7ce5f8a6c0b2340982f07b7bf4048cbb17535ec1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ecdsa
 * [new ref]         7ce5f8a6c0b2340982f07b7bf4048cbb17535ec1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ce5f8a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild