$ git clone -n https://src.fedoraproject.org/rpms/zypper.git /var/lib/mock/f38-build-side-42-init-devel-903270-28614/root/chroot_tmpdir/scmroot/zypper
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-903270-28614/root/chroot_tmpdir/scmroot/zypper'...
$ git fetch origin fa7a7e908678785c750925a22f6530352382ec0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zypper
 * [new ref]         fa7a7e908678785c750925a22f6530352382ec0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa7a7e9 Update to 1.14.59