$ git clone -n https://src.fedoraproject.org/rpms/perl-Config-Generator.git /var/lib/mock/f39-build-1434942-31964/root/chroot_tmpdir/scmroot/perl-Config-Generator
Cloning into '/var/lib/mock/f39-build-1434942-31964/root/chroot_tmpdir/scmroot/perl-Config-Generator'...
$ git fetch origin e7741427e675e2a0e80108e39190713d7b97fd06:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Config-Generator
 * [new ref]         e7741427e675e2a0e80108e39190713d7b97fd06 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e774142 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild