$ git clone -n https://src.fedoraproject.org/rpms/borgbackup.git /var/lib/mock/f40-build-2239977-53628/root/chroot_tmpdir/scmroot/borgbackup
Cloning into '/var/lib/mock/f40-build-2239977-53628/root/chroot_tmpdir/scmroot/borgbackup'...
$ git fetch origin 07966f33025c8f482533fa72958cca341555bdbc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/borgbackup
 * [new ref]         07966f33025c8f482533fa72958cca341555bdbc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07966f3 update to 1.2.7