$ git clone -n https://src.fedoraproject.org/rpms/python-pvc.git /var/lib/mock/f39-build-1617843-38655/root/chroot_tmpdir/scmroot/python-pvc
Cloning into '/var/lib/mock/f39-build-1617843-38655/root/chroot_tmpdir/scmroot/python-pvc'...
$ git fetch origin b8fcb5ea917a3a094d3983c678c4fde37addb4f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pvc
 * [new ref]         b8fcb5ea917a3a094d3983c678c4fde37addb4f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8fcb5e Fix pyvmomi version requirement