$ git clone -n https://src.fedoraproject.org/rpms/perl-Tickit.git /var/lib/mock/f45-build-27141-621/root/chroot_tmpdir/scmroot/perl-Tickit
Cloning into '/var/lib/mock/f45-build-27141-621/root/chroot_tmpdir/scmroot/perl-Tickit'...
$ git fetch origin bd37d1bb9e51520da040000e10dc77549f1c479e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Tickit
 * [new ref]         bd37d1bb9e51520da040000e10dc77549f1c479e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd37d1b Perl 5.44 rebuild