$ git clone -n https://src.fedoraproject.org/rpms/perl-Perl-Tags.git /var/lib/mock/f39-build-1514634-35645/root/chroot_tmpdir/scmroot/perl-Perl-Tags
Cloning into '/var/lib/mock/f39-build-1514634-35645/root/chroot_tmpdir/scmroot/perl-Perl-Tags'...
$ git fetch origin 5ff2cf8c901f4b5a4e642eb559fc9d313b0c1097:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Perl-Tags
 * [new ref]         5ff2cf8c901f4b5a4e642eb559fc9d313b0c1097 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ff2cf8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild