$ git clone -n https://src.fedoraproject.org/rpms/perl-B-Hooks-OP-Check-EntersubForCV.git /var/lib/mock/f45-build-21844-588/root/chroot_tmpdir/scmroot/perl-B-Hooks-OP-Check-EntersubForCV
Cloning into '/var/lib/mock/f45-build-21844-588/root/chroot_tmpdir/scmroot/perl-B-Hooks-OP-Check-EntersubForCV'...
$ git fetch origin 6f2cd4493dbc50b58d83ab33fd943bee39d57c30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-B-Hooks-OP-Check-EntersubForCV
 * [new ref]         6f2cd4493dbc50b58d83ab33fd943bee39d57c30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f2cd44 Perl 5.44 rebuild