$ git clone -n https://src.fedoraproject.org/rpms/golang-github-josharian-native.git /var/lib/mock/f45-build-12109-437/root/chroot_tmpdir/scmroot/golang-github-josharian-native
Cloning into '/var/lib/mock/f45-build-12109-437/root/chroot_tmpdir/scmroot/golang-github-josharian-native'...
$ git fetch origin 865fa7fc9ff8e81f9198ba4cde9566989a430f08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-josharian-native
 * [new ref]         865fa7fc9ff8e81f9198ba4cde9566989a430f08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 865fa7f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild