$ git clone -n https://src.fedoraproject.org/rpms/perl-PerlIO-via-symlink.git /var/lib/mock/f45-build-25823-613/root/chroot_tmpdir/scmroot/perl-PerlIO-via-symlink
Cloning into '/var/lib/mock/f45-build-25823-613/root/chroot_tmpdir/scmroot/perl-PerlIO-via-symlink'...
$ git fetch origin 7e8fed3243dd73db20271c05265b341de4de6785:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PerlIO-via-symlink
 * [new ref]         7e8fed3243dd73db20271c05265b341de4de6785 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e8fed3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild