$ git clone -n https://src.fedoraproject.org/rpms/golang-github-simonpasquier-klog-gokit.git /var/lib/mock/f41-build-1036369-18724/root/chroot_tmpdir/scmroot/golang-github-simonpasquier-klog-gokit
Cloning into '/var/lib/mock/f41-build-1036369-18724/root/chroot_tmpdir/scmroot/golang-github-simonpasquier-klog-gokit'...
$ git fetch origin 61f0810c508570dae6e191e8f37c45dc526d2436:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-simonpasquier-klog-gokit
 * [new ref]         61f0810c508570dae6e191e8f37c45dc526d2436 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61f0810 Fix FTBFS