$ git clone -n https://src.fedoraproject.org/rpms/perl-Business-ISMN.git /var/lib/mock/f45-build-21894-588/root/chroot_tmpdir/scmroot/perl-Business-ISMN
Cloning into '/var/lib/mock/f45-build-21894-588/root/chroot_tmpdir/scmroot/perl-Business-ISMN'...
$ git fetch origin 76782d0d7fcf449a5f8942db0c05f0da14330b98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Business-ISMN
 * [new ref]         76782d0d7fcf449a5f8942db0c05f0da14330b98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76782d0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild