$ git clone -n https://src.fedoraproject.org/rpms/python-certifi.git /var/lib/mock/f45-build-29886-641/root/chroot_tmpdir/scmroot/python-certifi
Cloning into '/var/lib/mock/f45-build-29886-641/root/chroot_tmpdir/scmroot/python-certifi'...
$ git fetch origin 340c718cfcc20b395f499e2dee72c0da852d8be7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-certifi
 * [new ref]         340c718cfcc20b395f499e2dee72c0da852d8be7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 340c718 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild