$ git clone -n https://src.fedoraproject.org/rpms/perl-File-ShareDir-Tiny.git /var/lib/mock/f45-build-23590-598/root/chroot_tmpdir/scmroot/perl-File-ShareDir-Tiny
Cloning into '/var/lib/mock/f45-build-23590-598/root/chroot_tmpdir/scmroot/perl-File-ShareDir-Tiny'...
$ git fetch origin 8db13a1ed6bc22fb73a3ec2195dfa1af1724a296:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-File-ShareDir-Tiny
 * [new ref]         8db13a1ed6bc22fb73a3ec2195dfa1af1724a296 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8db13a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild