$ git clone -n https://src.fedoraproject.org/rpms/httprobe.git /var/lib/mock/f45-build-13511-451/root/chroot_tmpdir/scmroot/httprobe
Cloning into '/var/lib/mock/f45-build-13511-451/root/chroot_tmpdir/scmroot/httprobe'...
$ git fetch origin 12e9ec422e6d86614b607fad44cc230d9053e8d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/httprobe
 * [new ref]         12e9ec422e6d86614b607fad44cc230d9053e8d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12e9ec4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild