$ git clone -n https://src.fedoraproject.org/rpms/python-libcloud.git /var/lib/mock/f45-build-31376-652/root/chroot_tmpdir/scmroot/python-libcloud
Cloning into '/var/lib/mock/f45-build-31376-652/root/chroot_tmpdir/scmroot/python-libcloud'...
$ git fetch origin cb7546203ddbf5a74c92cf7d71f98e7ba5862534:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-libcloud
 * [new ref]         cb7546203ddbf5a74c92cf7d71f98e7ba5862534 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb75462 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild