$ git clone -n https://src.fedoraproject.org/rpms/apk-tools.git /var/lib/mock/f40-build-797668-141427/root/chroot_tmpdir/scmroot/apk-tools
Cloning into '/var/lib/mock/f40-build-797668-141427/root/chroot_tmpdir/scmroot/apk-tools'...
$ git fetch origin fe54f90900b791cff4b00290f90d7eee15171374:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apk-tools
 * [new ref]         fe54f90900b791cff4b00290f90d7eee15171374 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe54f90 Own configuration and cache locations