$ git clone -n https://src.fedoraproject.org/rpms/perl-Perl-OSType.git /var/lib/mock/f39-build-1553316-36989/root/chroot_tmpdir/scmroot/perl-Perl-OSType
Cloning into '/var/lib/mock/f39-build-1553316-36989/root/chroot_tmpdir/scmroot/perl-Perl-OSType'...
$ git fetch origin af3f658b8297cc0cd7480e84880a63a174e23a84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Perl-OSType
 * [new ref]         af3f658b8297cc0cd7480e84880a63a174e23a84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af3f658 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild