$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Signature.git /var/lib/mock/f39-build-1436801-32093/root/chroot_tmpdir/scmroot/perl-Module-Signature
Cloning into '/var/lib/mock/f39-build-1436801-32093/root/chroot_tmpdir/scmroot/perl-Module-Signature'...
$ git fetch origin abd5650695cf7f2ed2fd1a11aa6627aba059d674:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Signature
 * [new ref]         abd5650695cf7f2ed2fd1a11aa6627aba059d674 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at abd5650 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild