$ git clone -n https://src.fedoraproject.org/rpms/golang-github-lestrrat-iter.git /var/lib/mock/f45-build-12158-439/root/chroot_tmpdir/scmroot/golang-github-lestrrat-iter
Cloning into '/var/lib/mock/f45-build-12158-439/root/chroot_tmpdir/scmroot/golang-github-lestrrat-iter'...
$ git fetch origin 32c60781617fbf9a18f748d8093278fcf1c64ab4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-lestrrat-iter
 * [new ref]         32c60781617fbf9a18f748d8093278fcf1c64ab4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 32c6078 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild