$ git clone -n https://src.fedoraproject.org/rpms/perl-Convert-PEM.git /var/lib/mock/f40-build-2016069-46151/root/chroot_tmpdir/scmroot/perl-Convert-PEM
Cloning into '/var/lib/mock/f40-build-2016069-46151/root/chroot_tmpdir/scmroot/perl-Convert-PEM'...
$ git fetch origin 8188192c4933bd13e8314bfdb59eb824d280dfd8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Convert-PEM
 * [new ref]         8188192c4933bd13e8314bfdb59eb824d280dfd8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8188192 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild