$ git clone -n https://src.fedoraproject.org/rpms/golang-gopkg-macaron-1.git /var/lib/mock/f38-build-side-42-init-devel-739646-27651/root/chroot_tmpdir/scmroot/golang-gopkg-macaron-1
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-739646-27651/root/chroot_tmpdir/scmroot/golang-gopkg-macaron-1'...
$ git fetch origin 6de6a268e89fd84af82e5f5417e979509c975615:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gopkg-macaron-1
 * [new ref]         6de6a268e89fd84af82e5f5417e979509c975615 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6de6a26 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild