$ git clone -n https://src.fedoraproject.org/rpms/golang-github-oklog-ulid.git /var/lib/mock/f45-build-48968-881/root/chroot_tmpdir/scmroot/golang-github-oklog-ulid
Cloning into '/var/lib/mock/f45-build-48968-881/root/chroot_tmpdir/scmroot/golang-github-oklog-ulid'...
$ git fetch origin 27fcd978ea9764c6542b81d00c97716a2f3a38a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-oklog-ulid
 * [new ref]         27fcd978ea9764c6542b81d00c97716a2f3a38a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27fcd97 Rebuild for https://fedoraproject.org/wiki/Changes/golang1.26