$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-hap.git /var/lib/mock/f39-build-2253019-54200/root/chroot_tmpdir/scmroot/gap-pkg-hap
Cloning into '/var/lib/mock/f39-build-2253019-54200/root/chroot_tmpdir/scmroot/gap-pkg-hap'...
$ git fetch origin 1942f5e9d0fd932c091a8c0abf72bdccbd319ddb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-hap
 * [new ref]         1942f5e9d0fd932c091a8c0abf72bdccbd319ddb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1942f5e Version 1.61