$ git clone -n https://src.fedoraproject.org/rpms/golang-x-vuln.git /var/lib/mock/f41-build-808831-146052/root/chroot_tmpdir/scmroot/golang-x-vuln
Cloning into '/var/lib/mock/f41-build-808831-146052/root/chroot_tmpdir/scmroot/golang-x-vuln'...
$ git fetch origin 72ea7e3ccdfced0ec153063da21eba658005b186:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-vuln
 * [new ref]         72ea7e3ccdfced0ec153063da21eba658005b186 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72ea7e3 Update to commit 6ad3e3d0781578532aaedbed543b25d7d586c746