$ git clone -n https://src.fedoraproject.org/rpms/golang-github-valyala-fasttemplate.git /var/lib/mock/f45-build-12582-442/root/chroot_tmpdir/scmroot/golang-github-valyala-fasttemplate
Cloning into '/var/lib/mock/f45-build-12582-442/root/chroot_tmpdir/scmroot/golang-github-valyala-fasttemplate'...
$ git fetch origin b650a7679470786178646c3a06d61ee1311f1714:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-valyala-fasttemplate
 * [new ref]         b650a7679470786178646c3a06d61ee1311f1714 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b650a76 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild