$ git clone -n https://src.fedoraproject.org/rpms/perl-PDF-API2.git /var/lib/mock/f39-build-1451628-32823/root/chroot_tmpdir/scmroot/perl-PDF-API2
Cloning into '/var/lib/mock/f39-build-1451628-32823/root/chroot_tmpdir/scmroot/perl-PDF-API2'...
$ git fetch origin b3162e86342eafa2cd12a048e84cd9dc421560e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PDF-API2
 * [new ref]         b3162e86342eafa2cd12a048e84cd9dc421560e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3162e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild