$ git clone -n https://src.fedoraproject.org/rpms/perl-IO-SessionData.git /var/lib/mock/f45-build-24205-602/root/chroot_tmpdir/scmroot/perl-IO-SessionData
Cloning into '/var/lib/mock/f45-build-24205-602/root/chroot_tmpdir/scmroot/perl-IO-SessionData'...
$ git fetch origin 12b6b5743395a12f1969014aaa051a1bb88bb757:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-IO-SessionData
 * [new ref]         12b6b5743395a12f1969014aaa051a1bb88bb757 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12b6b57 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild