$ git clone -n https://src.fedoraproject.org/rpms/golang-github-masterminds-semver.git /var/lib/mock/f41-build-1036029-18699/root/chroot_tmpdir/scmroot/golang-github-masterminds-semver
Cloning into '/var/lib/mock/f41-build-1036029-18699/root/chroot_tmpdir/scmroot/golang-github-masterminds-semver'...
$ git fetch origin 25fbe2323f88249ee6dd8aa62474d02d546f652b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-masterminds-semver
 * [new ref]         25fbe2323f88249ee6dd8aa62474d02d546f652b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25fbe23 Fix FTBFS