$ git clone -n https://src.fedoraproject.org/rpms/perl-Log-TraceMessages.git /var/lib/mock/f39-build-1440301-32324/root/chroot_tmpdir/scmroot/perl-Log-TraceMessages
Cloning into '/var/lib/mock/f39-build-1440301-32324/root/chroot_tmpdir/scmroot/perl-Log-TraceMessages'...
$ git fetch origin c21a674ad751b8083b86a0ec8125c3cb8dc3d9e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Log-TraceMessages
 * [new ref]         c21a674ad751b8083b86a0ec8125c3cb8dc3d9e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c21a674 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild