$ git clone -n https://src.fedoraproject.org/rpms/perl-Method-Signatures-Simple.git /var/lib/mock/f39-build-2084960-50041/root/chroot_tmpdir/scmroot/perl-Method-Signatures-Simple
Cloning into '/var/lib/mock/f39-build-2084960-50041/root/chroot_tmpdir/scmroot/perl-Method-Signatures-Simple'...
$ git fetch origin 6a04898578945dbacca5540ec39b161b83a993d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Method-Signatures-Simple
 * [new ref]         6a04898578945dbacca5540ec39b161b83a993d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a04898 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild